Top 30 AWS Certified Developer Associate Exam Tips

AWS Certified Developer Associate Exam Prep

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Top 30 AWS Certified Developer Associate Exam Tips

AWS Certified Developer Associate Exam Prep Urls

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PRO version with mock exam ios: https://apps.apple.com/ca/app/aws-certified-dev-ass-dva-c01/id1506519319t

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Top 30 AWS Certified Developer Associate Exam Tips
Top 30 AWS Certified Developer Associate Exam Tips

12

What to study: AMAZON CLOUDFRONT  
AWS topics for DVA-C01: AMAZON CLOUDFRONT

18

Know what instance types can be launched from which types of AMIs, and which instance types require an HVM AMI
AWS HVM AMI

19

Have a good understanding of how Route53 supports all of the different DNS record types, and when you would use certain ones over others.
Route 53 supports all of the different DNS record types

20

Know which services have native encryption at rest within the region, and which do not.
AWS Services with native Encryption at rest

21

Kinesis Sharding:
#AWS Kinesis Sharding

22

Handling SSL Certificates in ELB ( Wildcard certificate vs SNI )
#AWS Handling SSL Certificates in ELB ( Wildcard certificate vs SNI )

23

Different types of Aurora Endpoints
#AWS Different types of Aurora Endpoints

24

The Default Termination Policy for Auto Scaling Group (Oldest launch configuration vs Instance Protection)
#AWS Default Termination Policy for Auto Scaling Group

25

Use AWS Cheatsheets – I also found the cheatsheets provided by Tutorials Dojo very helpful. In my opinion, it is better than Jayendrapatil Patil’s blog since it contains more updated information that complements your review notes.
#AWS Cheat Sheet

26

Watch this exam readiness 3hr video, it very recent webinar this provides what is expected in the exam.
#AWS Exam Prep Video

27

Start off watching Ryan’s videos. Try and completely focus on the hands on. Take your time to understand what you are trying to learn and achieve in those LAB Sessions.
#AWS Exam Prep Video

28

Do not rush into completing the videos. Take your time and hone the basics. Focus and spend a lot of time for the back bone of AWS infrastructure – Compute/EC2 section, Storage (S3/EBS/EFS), Networking (Route 53/Load Balancers), RDS, VPC, Route 3. These sections are vast, with lot of concepts to go over and have loads to learn. Trust me you will need to thoroughly understand each one of them to ensure you pass the certification comfortably.
#AWS Exam Prep Video

29

Make sure you go through resources section and also AWS documentation for each components. Go over FAQs. If you have a question, please post it in the community. Trust me, each answer here helps you understand more about AWS.
#AWS Faqs

30

Like any other product/service, each AWS offering has a different flavor. I will take an example of EC2 (Spot/Reserved/Dedicated/On Demand etc.). Make sure you understand what they are, what are the pros/cons of each of these flavors. Applies for all other offerings too.
#AWS Services

31

Follow Neal K Davis on Linkedin and Read his updates about DVA-C01
#AWS Services

What is the AWS Certified Developer Associate Exam?

The AWS Certified Developer – Associate examination is intended for individuals who perform a development role and have one or more years of hands-on experience developing and maintaining an AWS-based application. It validates an examinee’s ability to:

  • Demonstrate an understanding of core AWS services, uses, and basic AWS architecture best practices
  • Demonstrate proficiency in developing, deploying, and debugging cloud-based applications using AWS

There are two types of questions on the examination:

  • Multiple-choice: Has one correct response and three incorrect responses (distractors).
  • Provide implementation guidance based on best practices to the organization throughout the lifecycle of the project.

Select one or more responses that best complete the statement or answer the question. Distractors, or incorrect answers, are response options that an examinee with incomplete knowledge or skill would likely choose. However, they are generally plausible responses that fit in the content area defined by the test objective. Unanswered questions are scored as incorrect; there is no penalty for guessing.

To succeed with the real exam, do not memorize the answers below. It is very important that you understand why a question is right or wrong and the concepts behind it by carefully reading the reference documents in the answers.

Top

AWS Certified Developer Associate info and details

The AWS Certified Developer Associate Exam is a multiple choice, multiple answer exam. Here is the Exam Overview:

Top

Other AWS Facts and Summaries and Questions/Answers Dump

Top

Additional Information for reference

Below are some useful reference links that would help you to learn about AWS Practitioner Exam.

Other Relevant and Recommended AWS Certifications

AWS Certification Exams Roadmap AWS Certification Exams Roadmap[/caption]

AWS Developer Associate Exam Whitepapers:

AWS has provided whitepapers to help you understand the technical concepts. Below are the recommended whitepapers.

Top

Online Training and Labs for AWS Certified Developer Associate Exam

Top

AWS Certified Developer Associate Jobs

Top 60 AWS Solution Architect Associate Exam Tips

2022 - 2023 AWS Solutions Architect Associate Certification Practice Exam Questions and Answers SAA-C03

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Top 60 AWS Solution Architect Associate Exam Tips

SAA Exam Prep App urls

2022 - 2023 AWS Solutions Architect Associate Certification Practice Exam Questions and Answers SAA-C03
Top 100 AWS Solutions Architect Associate Certification Exam Questions and Answers Dump SAA-C03

Solution Architect FREE version:
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Apple Store (iOS)
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Amazon android: Amazon App Store (Android)
Microsoft/Windows10:

0 In a nutshell, below are the resources and apps that you need for SAA-C03 Exam Prep:

Read FAQs and learn more about the following topics in details: Load Balancing, DynamoDB, EBS, Multi-AZ RDS, Aurora, EFS, DynamoDB, NLB, ALB, Aurora, Auto Scalling, DynamoDB(latency), Aurora(performance), Multi-AZ RDS(high availability), Throughput Optimized EBS (highly sequential), Read the quizlet note cards about Cloudwatch, CloudTrail, KMS, ElasticBeanstalk, OpsWorks here. Read Dexter’s Barely passed AWS Cram Notes about RPO vs RTO, HA vs FT, Undifferentiated Heavy Lifting, Access Management Basics, Shared Responsibility Model, Cloud Service Models
AWS topics for SAA-CO1 and SAA-CO2

1

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Know what instance types can be launched from which types of AMIs, and which instance types require an HVM AMI
AWS HVM AMI

2

Understand bastion hosts, and which subnet one might live on. Bastion hosts are instances that sit within your public subnet and are typically accessed using SSH or RDP. Once remote connectivity has been established with the bastion host, it then acts as a ‘jump’ server, allowing you to use SSH or RDP to login to other instances (within private subnets) deeper within your network. When properly configured through the use of security groups and Network ACLs, the bastion essentially acts as a bridge to your private instances via the Internet.”
Bastion Hosts


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3

Know the difference between Directory Service’s AD Connector and Simple AD. Use Simple AD if you need an inexpensive Active Directory–compatible service with the common directory features. AD Connector lets you simply connect your existing on-premises Active Directory to AWS.
AD Connector and Simple AD

4

If you are looking for an all-in-one solution to help you prepare for the AWS Cloud Practitioner Certification Exam, look no further than this AWS Cloud Practitioner CCP CLF-C02 book

Know how to enable cross-account access with IAM: To delegate permission to access a resource, you create an IAM role that has two policies attached. The permissions policy grants the user of the role the needed permissions to carry out the desired tasks on the resource. The trust policy specifies which trusted accounts are allowed to grant its users permissions to assume the role. The trust policy on the role in the trusting account is one-half of the permissions. The other half is a permissions policy attached to the user in the trusted account that allows that user to switch to, or assume the role.
Enable cross-account access with IAM

5

Have a good understanding of how Route53 supports all of the different DNS record types, and when you would use certain ones over others.
Route 53 supports all of the different DNS record types

8

Know When Elastic IPs are free or not: If you associate additional EIPs with that instance, you will be charged for each additional EIP associated with that instance per hour on a pro rata basis. Additional EIPs are only available in Amazon VPC. To ensure efficient use of Elastic IP addresses, we impose a small hourly charge when these IP addresses are not associated with a running instance or when they are associated with a stopped instance or unattached network interface.
When are AWS Elastic IPs Free or not?

9

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Know what are the four high level categories of information Trusted Advisor supplies.
#AWS Trusted advisor

10

Know how to troubleshoot a connection time out error when trying to connect to an instance in your VPC. You need a security group rule that allows inbound traffic from your public IP address on the proper port, you need a route that sends all traffic destined outside the VPC (0.0.0.0/0) to the Internet gateway for the VPC, the network ACLs must allow inbound and outbound traffic from your public IP address on the proper port, etc.
#AWS Connection time out error

11

Be able to identify multiple possible use cases and eliminate non-use cases for SWF.
#AWS

12

Understand how you might set up consolidated billing and cross-account access such that individual divisions resources are isolated from each other, but corporate IT can oversee all of it.
#AWS Set up consolidated billing

13

Know how you would go about making changes to an Auto Scaling group, fully understanding what you can and can’t change. “You can only specify one launch configuration for an Auto Scaling group at a time, and you can’t modify a launch configuration after you’ve created it. Therefore, if you want to change the launch configuration for your Auto Scaling group, you must create a launch configuration and then update your Auto Scaling group with the new launch configuration. When you change the launch configuration for your Auto Scaling group, any new instances are launched using the new configuration parameters, but existing instances are not affected.
#AWS Make Change to Auto Scaling group

14

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Know how you would go about making changes to an Auto Scaling group, fully understanding what you can and can’t change. “You can only specify one launch configuration for an Auto Scaling group at a time, and you can’t modify a launch configuration after you’ve created it. Therefore, if you want to change the launch configuration for your Auto Scaling group, you must create a launch configuration and then update your Auto Scaling group with the new launch configuration. When you change the launch configuration for your Auto Scaling group, any new instances are launched using the new configuration parameters, but existing instances are not affected.
#AWS Make Change to Auto Scaling group

15

Know which field you use to run a script upon launching your instance.
#AWS User data script

16

Know how DynamoDB (durable, and you can pay for strong consistency), Elasticache (great for speed, not so durable), and S3 (eventual consistency results in lower latency) compare to each other in terms of durability and low latency.
#AWS DynamoDB consistency

17

Know the difference between bucket policies, IAM policies, and ACLs for use with S3, and examples of when you would use each. “With IAM policies, companies can grant IAM users fine-grained control to their Amazon S3 bucket or objects while also retaining full control over everything the users do. With bucket policies, companies can define rules which apply broadly across all requests to their Amazon S3 resources, such as granting write privileges to a subset of Amazon S3 resources. Customers can also restrict access based on an aspect of the request, such as HTTP referrer and IP address. With ACLs, customers can grant specific permissions (i.e. READ, WRITE, FULL_CONTROL) to specific users for an individual bucket or object.
#AWS Difference between bucket policies

18

Know when and how you can encrypt snapshots.
#AWS EBS Encryption

19

Understand how you can use ELB cross-zone load balancing to ensure even distribution of traffic to EC2 instances in multiple AZs registered with a load balancer.
#AWS ELB cross-zone load balancing

20

How would you allow users to log into the AWS console using active directory integration. Here is a link to some good reference material.
#AWS og into the AWS console using active directory integration

21

Spot instances are good for cost optimization, even if it seems you might need to fall back to On-Demand instances if you wind up getting kicked off them and the timeline grows tighter. The primary (but still not only) factor seems to be whether you can gracefully handle instances that die on you–which is pretty much how you should always design everything, anyway!
#AWS Spot instances

22

The term “use case” is not the same as “function” or “capability”. A use case is something that your app/system will need to accomplish, not just behaviour that you will get from that service. In particular, a use case doesn’t require that the service be a 100% turnkey solution for that situation, just that the service plays a valuable role in enabling it.
#AWS use case

23

There might be extra, unnecessary information in some of the questions (red herrings), so try not to get thrown off by them. Understand what services can and can’t do, but don’t ignore “obvious”-but-still-correct answers in favour of super-tricky ones.
#AWS Exam Answers: Distractors

24

If you don’t know what they’re trying to ask, in a question, just move on and come back to it later (by using the helpful “mark this question” feature in the exam tool). You could easily spend way more time than you should on a single confusing question if you don’t triage and move on.
#AWS Exa: Skip Questions that are vague and come back to them later

25

Some exam questions required you to understand features and use cases of: VPC peering, cross-account access, DirectConnect, snapshotting EBS RAID arrays, DynamoDB, spot instances, Glacier, AWS/user security responsibilities, etc.
#AWS

26

The 30 Day constraint in the S3 Lifecycle Policy before transitioning to S3-IA and S3-One Zone IA storage classes
#AWS S3 lifecycle policy

27

Enabling Cross-region snapshot copy for an AWS KMS-encrypted cluster
Redis Auth / Amazon MQ / IAM DB Authentication

#AWS Cross-region snapshot copy for an AWS KMS-encrypted cluster

28

Know that FTP is using TCP and not UDP (Helpful for questions where you are asked to troubleshoot the network flow)
TCP and UDP

29

Know the Difference between S3, EBS and EFS
#AWS Difference between S3, EBS and EFS

30

Kinesis Sharding:
#AWS Kinesis Sharding

31

Handling SSL Certificates in ELB ( Wildcard certificate vs SNI )
#AWS Handling SSL Certificates in ELB ( Wildcard certificate vs SNI )

32

Difference between OAI, Signed URL (CloudFront) and Pre-signed URL (S3)
#AWS Difference between OAI, Signed URL (CloudFront) and Pre-signed URL (S3)

33

Different types of Aurora Endpoints
#AWS Different types of Aurora Endpoints

34

The Default Termination Policy for Auto Scaling Group (Oldest launch configuration vs Instance Protection)
#AWS Default Termination Policy for Auto Scaling Group

35

Watch Acloud Guru Videos Lectures while commuting / lunch break – Reschedule the exam if you are not yet ready
#AWS ACloud Guru

36

Watch Linux Academy Videos Lectures while commuting / lunch break – Reschedule the exam if you are not yet ready
#AWS Linux Academy

37

Watch Udemy Videos Lectures while commuting / lunch break – Reschedule the exam if you are not yet ready
#AWS Linux Academy

38

The Udemy practice test interface is good that it pinpoints your weak areas, so what I did was to re-watch all the videos that I got the wrong answers. Since I was able to gauge my exam readiness, I decided to reschedule my exam for 2 more weeks, to help me focus on completing the practice tests.
#AWS Udemy

39

Use AWS Cheatsheets – I also found the cheatsheets provided by Tutorials Dojo very helpful. In my opinion, it is better than Jayendrapatil Patil’s blog since it contains more updated information that complements your review notes.
#AWS Cheat Sheet

40

Watch this exam readiness 3hr video, it very recent webinar this provides what is expected in the exam.
#AWS Exam Prep Video

41

Start off watching Ryan’s videos. Try and completely focus on the hands on. Take your time to understand what you are trying to learn and achieve in those LAB Sessions.
#AWS Exam Prep Video

42

Do not rush into completing the videos. Take your time and hone the basics. Focus and spend a lot of time for the back bone of AWS infrastructure – Compute/EC2 section, Storage (S3/EBS/EFS), Networking (Route 53/Load Balancers), RDS, VPC, Route 3. These sections are vast, with lot of concepts to go over and have loads to learn. Trust me you will need to thoroughly understand each one of them to ensure you pass the certification comfortably.
#AWS Exam Prep Video

43

Make sure you go through resources section and also AWS documentation for each components. Go over FAQs. If you have a question, please post it in the community. Trust me, each answer here helps you understand more about AWS.
#AWS Faqs

44

Like any other product/service, each AWS offering has a different flavor. I will take an example of EC2 (Spot/Reserved/Dedicated/On Demand etc.). Make sure you understand what they are, what are the pros/cons of each of these flavors. Applies for all other offerings too.
#AWS Services

45

Ensure to attend all quizzes after each section. Please do not treat these quizzes as your practice exams. These quizzes are designed to mostly test your knowledge on the section you just finished. The exam itself is designed to test you with scenarios and questions, where in you will need to recall and apply your knowledge of different AWS technologies/services you learn over multiple lectures.
#AWS Services

46

I, personally, do not recommend to attempt a practice exam or simulator exam until you have done all of the above. It was a little overwhelming for me. I had thoroughly gone over the videos. And understood the concepts pretty well, but once I opened exam simulator I felt the questions were pretty difficult. I also had a feeling that videos do not cover lot of topics. But later I realized, given the vastness of AWS Services and offerings it is really difficult to encompass all these services and their details in the course content. The fact that these services keep changing so often, does not help
#AWS Services

47

Go back and make a note of all topics, that you felt were unfamiliar for you. Go through the resources section and fiund links to AWS documentation. After going over them, you shoud gain at least 5-10% more knowledge on AWS. Have expectations from the online courses as a way to get thorough understanding of basics and strong foundations for your AWS knowledge. But once you are done with videos. Make sure you spend a lot of time on AWS documentation and FAQs. There are many many topics/sub topics which may not be covered in the course and you would need to know, atleast their basic functionalities, to do well in the exam.
#AWS Services

48

Once you start taking practice exams, it may seem really difficult at the beginning. So, please do not panic if you find the questions complicated or difficult. IMO they are designed or put in a way to sound complicated but they are not. Be calm and read questions very carefully. In my observation, many questions have lot of information which sometimes is not relevant to the solution you are expected to provide. Read the question slowly and read it again until you understand what is expected out of it.
#AWS Services

49

With each practice exam you will come across topics that you may need to scale your knowledge on or learn them from scratch.
#AWS Services

50

With each test and the subsequent revision, you will surely feel more confident.
There are 130 mins for questions. 2 mins for each question which is plenty of time.
At least take 8-10 practice tests. The ones on udemy/tutorialdojo are really good. If you are a acloudguru member. The exam simulator is really good.
Manage your time well. Keep patience. I saw someone mention in one of the discussions that do not under estimate the mental focus/strength needed to sit through 130 mins solving these questions. And it is really true.
Do not give away or waste any of those precious 130 mins. While answering flag/mark questions you think you are not completely sure. My advice is, even if you finish early, spend your time reviewing the answers. I could review 40 of my answers at the end of test. And I at least rectified 3 of them (which is 4-5% of total score, I think)
So in short – Put a lot of focus on making your foundations strong. Make sure you go through AWS Documentation and FAQs. Try and envision how all of the AWS components can fit together and provide an optimal solution. Keep calm.
This video gives outline about exam, must watch before or after Ryan’s course. #AWS Services

51

Walking you through how to best prepare for the AWS Certified Solutions Architect Associate SAA-C02 exam in 5 steps:
1. Understand the exam blueprint
2. Learn about the new topics included in the SAA-C02 version of the exam
3. Use the many FREE resources available to gain and deepen your knowledge
4. Enroll in our hands-on video course to learn AWS in depth
5. Use practice tests to fully prepare yourself for the exam and assess your exam readiness
AWS CERTIFIED SOLUTIONS ARCHITECT SAA-C02 : HOW TO BEST PREPARE IN 5 STEPS

52

Storage:
1. Know your different Amazon S3 storage tiers! You need to know the use cases, features and limitations, and relative costs; e.g. retrieval costs.
2. Amazon S3 lifecycle policies is also required knowledge — there are minimum storage times in certain tiers that you need to know.
3. For Glacier, you need to understand what it is, what it’s used for, and what the options are for retrieval times and fees.
4. For the Amazon Elastic File System (EFS), make sure you’re clear which operating systems you can use with it (just Linux).
5. For the Amazon Elastic Block Store (EBS), make sure you know when to use the different tiers including instance stores; e.g. what would you use for a datastore that requires the highest IO and the data is distributed across multiple instances? (Good instance store use case)
6. Learn about Amazon FSx. You’ll need to know about FSx for Windows and Lustre.
7. Know how to improve Amazon S3 performance including using CloudFront, and byte-range fetches — check out this whitepaper.
8. Make sure you understand about Amazon S3 object deletion protection options including versioning and MFA delete.
AWS CERTIFIED SOLUTIONS ARCHITECT SAA-C02 : HOW TO BEST PREPARE IN 5 STEPS

53

Compute:
1. You need to have a good understanding of the options for how to scale an Auto Scaling Group using metrics such as SQS queue depth, or numbers of SNS messages.
2. Know your different Auto Scaling policies including Target Tracking Policies.
3. Read up on High Performance Computing (HPC) with AWS. You’ll need to know about Amazon FSx with HPC use cases.
4. Know your placement groups. Make sure you can differentiate between spread, cluster and partition; e.g. what would you use for lowest latency? What about if you need to support an app that’s tightly coupled? Within an AZ or cross AZ?
5. Make sure you know the difference between Elastic Network Adapters (ENAs), Elastic Network Interfaces (ENIs) and Elastic Fabric Adapters (EFAs).
6. For the Amazon Elastic Container Service (ECS), make sure you understand how to assign IAM policies to ECS for providing S3 access. How can you decouple an ECS data processing process — Kinesis Firehose or SQS?
7. Make sure you’re clear on the different EC2 pricing models including Reserved Instances (RI) and the different RI options such as scheduled RIs.
8. Make sure you know the maximum execution time for AWS Lambda (it’s currently 900 seconds or 15 minutes).
AWS CERTIFIED SOLUTIONS ARCHITECT SAA-C02 : HOW TO BEST PREPARE IN 5 STEPS

54

Network
1. Understand what AWS Global Accelerator is and its use cases.
2. Understand when to use CloudFront and when to use AWS Global Accelerator.
3. Make sure you understand the different types of VPC endpoint and which require an Elastic Network Interface (ENI) and which require a route table entry.
4. You need to know how to connect multiple accounts; e.g. should you use VPC peering or a VPC endpoint?
5. Know the difference between PrivateLink and ClassicLink.
6. Know the patterns for extending a secure on-premises environment into AWS.
7. Know how to encrypt AWS Direct Connect (you can use a Virtual Private Gateway / AWS VPN).
8. Understand when to use Direct Connect vs Snowball to migrate data — lead time can be an issue with Direct Connect if you’re in a hurry.
9. Know how to prevent circumvention of Amazon CloudFront; e.g. Origin Access Identity (OAI) or signed URLs / signed cookies.
AWS CERTIFIED SOLUTIONS ARCHITECT SAA-C02 : HOW TO BEST PREPARE IN 5 STEPS

55

Databases
1. Make sure you understand Amazon Aurora and Amazon Aurora Serverless.
2. Know which RDS databases can have Read Replicas and whether you can read from a Multi-AZ standby.
3. Know the options for encrypting an existing RDS database; e.g. only at creation time otherwise you must encrypt a snapshot and create a new instance from the snapshot.
4. Know which databases are key-value stores; e.g. Amazon DynamoDB.
AWS CERTIFIED SOLUTIONS ARCHITECT SAA-C02 : HOW TO BEST PREPARE IN 5 STEPS

56

Application Integration
1. Make sure you know the use cases for the Amazon Simple Queue Service (SQS), and Simple Notification Service (SNS).
2. Understand the differences between Amazon Kinesis Firehose and SQS and when you would use each service.
3. Know how to use Amazon S3 event notifications to publish events to SQS — here’s a good “How To” article.
AWS CERTIFIED SOLUTIONS ARCHITECT SAA-C02 : HOW TO BEST PREPARE IN 5 STEPS

57

Management and Governance
1. You’ll need to know about AWS Organizations; e.g. how to migrate an account between organizations.
2. For AWS Organizations, you also need to know how to restrict actions using service control policies attached to OUs.
3. Understand what AWS Resource Access Manager is.
AWS CERTIFIED SOLUTIONS ARCHITECT SAA-C02 : HOW TO BEST PREPARE IN 5 STEPS

About this App

The AWS Certified Solution Architect Associate Examination reparation and Readiness Quiz App (SAA-C01, SAA-C01, SAA) Prep App helps you prepare and train for the AWS Certification Solution Architect Associate Exam with various questions and answers dumps.

This App provide updated Questions and Answers, an Intuitive Responsive Interface allowing to browse questions horizontally and browse tips and resources vertically after completing a quiz.

Features:

  • 100+ Questions and Answers updated frequently to get you AWS certified.
  • Quiz with score tracker, countdown timer, highest score saving. Vie Answers after completing the quiz for each category.
  • Can only see answers after completing the quiz.
  • Show/Hide button option for answers. Link to PRO Version to see all answers for each category
  • Ability to navigate through questions for each category using next and previous button.
  • Resource info page about the answer for each category and Top 60 Tips to succeed in the exam.
  • Prominent Cloud Evangelist latest tweets and Technology Latest News Feed
  • The app helps you study and practice from your mobile device with an intuitive interface.
  • SAA-C01 and SAA-C02 compatible
  • Resource info page about the answer for each category.
  • Helps you study and practice from your mobile device with an intuitive interface.

The questions and Answers are divided in 4 categories:

  • Design High Performing Architectures,
  • Design Cost Optimized Architectures,
  • Design Secure Applications And Architectures,
  • Design Resilient Architecture,

The questions and answers cover the following topics: AWS VPC, S3, DynamoDB, EC2, ECS, Lambda, API Gateway, CloudWatch, CloudTrail, Code Pipeline, Code Deploy, TCO Calculator, AWS S3, AWS DynamoDB, CloudWatch , AWS SES, Amazon Lex, AWS EBS, AWS ELB, AWS Autoscaling , RDS, Aurora, Route 53, Amazon CodeGuru, Amazon Bracket, AWS Billing and Pricing, AWS Simply Monthly Calculator, AWS cost calculator, Ec2 pricing on-demand, AWS Pricing, AWS Pay As You Go, AWS No Upfront Cost, Cost Explorer, AWS Organizations, Consolidated billing, Instance Scheduler, on-demand instances, Reserved instances, Spot Instances, CloudFront, Web hosting on S3, S3 storage classes, AWS Regions, AWS Availability Zones, Trusted Advisor, Various architectural Questions and Answers about AWS, AWS SDK, AWS EBS Volumes, EC2, S3, Containers, KMS, AWS read replicas, Cloudfront, API Gateway, AWS Snapshots, Auto shutdown Ec2 instances, High Availability, RDS, DynamoDB, Elasticity, AWS Virtual Machines, AWS Caching, AWS Containers, AWS Architecture, AWS Ec2, AWS S3, AWS Security, AWS Lambda, Bastion Hosts, S3 lifecycle policy, kinesis sharing, AWS KMS, Design High Performing Architectures, Design Cost Optimized Architectures, Design Secure Applications And Architectures, Design Resilient Architecture, AWS vs Azure vs Google Cloud, Resources, Questions, AWS, AWS SDK, AWS EBS Volumes, AWS read replicas, Cloudfront, API Gateway, AWS Snapshots, Auto shutdown Ec2 instances, High Availability, RDS, DynamoDB, Elasticity, AWS Virtual Machines, AWS Caching, AWS Containers, AWS Architecture, AWS Ec2, AWS S3, AWS Security, AWS Lambda, Load Balancing, DynamoDB, EBS, Multi-AZ RDS, Aurora, EFS, DynamoDB, NLB, ALB, Aurora, Auto Scaling, DynamoDB(latency), Aurora(performance), Multi-AZ RDS(high availability), Throughput Optimized EBS (highly sequential), SAA-CO1, SAA-CO2, Cloudwatch, CloudTrail, KMS, ElasticBeanstalk, OpsWorks, RPO vs RTO, HA vs FT, Undifferentiated Heavy Lifting, Access Management Basics, Shared Responsibility Model, Cloud Service Models, etc…

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Abilities Validated by the Certification:

  • Effectively demonstrate knowledge of how to architect and deploy secure and robust applications on AWS technologies
  • Define a solution using architectural design principles based on customer requirements
  • Provide implementation guidance based on best practices to the organization throughout the life cycle of the project

Recommended Knowledge for the Certification:

  • One year of hands-on experience designing available, cost-effective, fault-tolerant, and scalable distributed systems on AWS.
  • Hands-on experience using compute, networking, storage, and database AWS services.
  • Hands-on experience with AWS deployment and management services.
  • Ability to identify and define technical requirements for an AWS-based application.
  • bility to identify which AWS services meet a given technical requirement.
  • Knowledge of recommended best practices for building secure and reliable applications on the AWS platform.
  • An understanding of the basic architectural principles of building in the AWS Cloud.
  • An understanding of the AWS global infrastructure.
  • An understanding of network technologies as they relate to AWS.
  • An understanding of security features and tools that AWS provides and how they relate to traditional services.

Note and disclaimer: We are not affiliated with AWS or Amazon or Microsoft or Google. The questions are put together based on the certification study guide and materials available online. We also receive questions and answers from anonymous users and we vet to make sure they are legitimate. The questions in this app should help you pass the exam but it is not guaranteed. We are not responsible for any exam you did not pass.

Important: To succeed with the real exam, do not memorize the answers in this app. It is very important that you understand why a question is right or wrong and the concepts behind it by carefully reading the reference documents in the answers.

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What is the AWS Certified Solution Architect Associate Exam?

This exam validates an examinee’s ability to effectively demonstrate knowledge of how to architect and deploy secure and robust applications on AWS technologies. It validates an examinee’s ability to:

  • Define a solution using architectural design principles based on customer requirements.
  • Multiple-response: Has two correct responses out of five options.

There are two types of questions on the examination:

  • Multiple-choice: Has one correct response and three incorrect responses (distractors).
  • Provide implementation guidance based on best practices to the organization throughout the lifecycle of the project.

Select one or more responses that best complete the statement or answer the question. Distractors, or incorrect answers, are response options that an examinee with incomplete knowledge or skill would likely choose. However, they are generally plausible responses that fit in the content area defined by the test objective. Unanswered questions are scored as incorrect; there is no penalty for guessing.

To succeed with the real exam, do not memorize the answers below. It is very important that you understand why a question is right or wrong and the concepts behind it by carefully reading the reference documents in the answers.

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AWS Certified Solution Architect Associate info and details

The AWS Certified Solution Architect Associate Exam is a multiple choice, multiple answer exam. Here is the Exam Overview:

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Other AWS Facts and Summaries and Questions/Answers Dump

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Additional Information for reference

Below are some useful reference links that would help you to learn about AWS Practitioner Exam.

Other Relevant and Recommended AWS Certifications

Top 60 AWS Solution Architect Associate Exam Tips
AWS Certification Exams Roadmap

AWS Certification Exams Roadmap[/caption]

AWS Solution Architect Associate Exam Whitepapers:

AWS has provided whitepapers to help you understand the technical concepts. Below are the recommended whitepapers.

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Online Training and Labs for AWS Certified Solution Architect Associate Exam

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AWS Certified Solution Architect Associate Jobs

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AWS Certified Cloud Practitioner PRO Associate Exam Prep App for android google

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AWS Certification Exam Prep: S3 Facts, Summaries, Questions and Answers

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AWS Certification Exam Prep: S3 Facts, Summaries, Questions and Answers

AWS S3 Facts and summaries, AWS S3 Top 10 Questions and Answers Dump

Definition 1: Amazon S3 or Amazon Simple Storage Service is a “simple storage service” offered by Amazon Web Services that provides object storage through a web service interface. Amazon S3 uses the same scalable storage infrastructure that Amazon.com uses to run its global e-commerce network.

Definition 2: Amazon Simple Storage Service (Amazon S3) is an object storage service that offers industry-leading scalability, data availability, security, and performance.

AWS S3 Explained graphically:

Amazon S3 Explained in pictures
Amazon S3 Explained

Amazon S3 Explained in pictures
Amazon S3 Explained in pictures
Amazon S3 Explained graphically
Amazon S3 Explained graphically

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AWS S3 Facts and summaries

  1. S3 is a universal namespace, meaning each S3 bucket you create must have a unique name that is not being used by anyone else in the world.
  2. S3 is object based: i.e allows you to upload files.
  3. Files can be from 0 Bytes to 5 TB
  4. What is the maximum length, in bytes, of a DynamoDB range primary key attribute value?
    The maximum length of a DynamoDB range primary key attribute value is 2048 bytes (NOT 256 bytes).
  5. S3 has unlimited storage.
  6. Files are stored in Buckets.
  7. Read after write consistency for PUTS of new Objects
  8. Eventual Consistency for overwrite PUTS and DELETES (can take some time to propagate)
  9. S3 Storage Classes/Tiers:
    • S3 Standard (durable, immediately available, frequently accesses)
    • Amazon S3 Intelligent-Tiering (S3 Intelligent-Tiering): It works by storing objects in two access tiers: one tier that is optimized for frequent access and another lower-cost tier that is optimized for infrequent access.
    • S3 Standard-Infrequent Access – S3 Standard-IA (durable, immediately available, infrequently accessed)
    • S3 – One Zone-Infrequent Access – S3 One Zone IA: Same ad IA. However, data is stored in a single Availability Zone only
    • S3 – Reduced Redundancy Storage (data that is easily reproducible, such as thumbnails, etc.)
    • Glacier – Archived data, where you can wait 3-5 hours before accessing

    You can have a bucket that has different objects stored in S3 Standard, S3 Intelligent-Tiering, S3 Standard-IA, and S3 One Zone-IA.

  10. The default URL for S3 hosted websites lists the bucket name first followed by s3-website-region.amazonaws.com . Example: enoumen.com.s3-website-us-east-1.amazonaws.com
  11. Core fundamentals of an S3 object
    • Key (name)
    • Value (data)
    • Version (ID)
    • Metadata
    • Sub-resources (used to manage bucket-specific configuration)
      • Bucket Policies, ACLs,
      • CORS
      • Transfer Acceleration
  12. Object-based storage only for files
  13. Not suitable to install OS on.
  14. Successful uploads will generate a HTTP 200 status code.
  15. S3 Security – Summary
    • By default, all newly created buckets are PRIVATE.
    • You can set up access control to your buckets using:
      • Bucket Policies – Applied at the bucket level
      • Access Control Lists – Applied at an object level.
    • S3 buckets can be configured to create access logs, which log all requests made to the S3 bucket. These logs can be written to another bucket.
  16. S3 Encryption
    • Encryption In-Transit (SSL/TLS)
    • Encryption At Rest:
      • Server side Encryption (SSE-S3, SSE-KMS, SSE-C)
      • Client Side Encryption
    • Remember that we can use a Bucket policy to prevent unencrypted files from being uploaded by creating a policy which only allows requests which include the x-amz-server-side-encryption parameter in the request header.
  17. S3 CORS (Cross Origin Resource Sharing):
    CORS defines a way for client web applications that are loaded in one domain to interact with resources in a different domain.

    • Used to enable cross origin access for your AWS resources, e.g. S3 hosted website accessing javascript or image files located in another bucket. By default, resources in one bucket cannot access resources located in another. To allow this we need to configure CORS on the bucket being accessed and enable access for the origin (bucket) attempting to access.
    • Always use the S3 website URL, not the regular bucket URL. E.g.: https://s3-eu-west-2.amazonaws.com/acloudguru
  18. S3 CloudFront:
    • Edge locations are not just READ only – you can WRITE to them too (i.e put an object on to them.)
    • Objects are cached for the life of the TTL (Time to Live)
    • You can clear cached objects, but you will be charged. (Invalidation)
  19. S3 Performance optimization – 2 main approaches to Performance Optimization for S3:
    • GET-Intensive Workloads – Use Cloudfront
    • Mixed Workload – Avoid sequencial key names for your S3 objects. Instead, add a random prefix like a hex hash to the key name to prevent multiple objects from being stored on the same partition.
      • mybucket/7eh4-2019-03-04-15-00-00/cust1234234/photo1.jpg
      • mybucket/h35d-2019-03-04-15-00-00/cust1234234/photo2.jpg
      • mybucket/o3n6-2019-03-04-15-00-00/cust1234234/photo3.jpg
  20. The best way to handle large objects uploads to the S3 service is to use the Multipart upload API. The Multipart upload API enables you to upload large objects in parts.
  21. You can enable versioning on a bucket, even if that bucket already has objects in it. The already existing objects, though, will show their versions as null. All new objects will have version IDs.
  22. Bucket names cannot start with a . or – characters. S3 bucket names can contain both the . and – characters. There can only be one . or one – between labels. E.G mybucket-com mybucket.com are valid names but mybucket–com and mybucket..com are not valid bucket names.
  23. What is the maximum number of S3 buckets allowed per AWS account (by default)? 100
  24. You successfully upload an item to the us-east-1 region. You then immediately make another API call and attempt to read the object. What will happen?
    All AWS regions now have read-after-write consistency for PUT operations of new objects. Read-after-write consistency allows you to retrieve objects immediately after creation in Amazon S3. Other actions still follow the eventual consistency model (where you will sometimes get stale results if you have recently made changes)
  25. S3 bucket policies require a Principal be defined. Review the access policy elements here
  26. What checksums does Amazon S3 employ to detect data corruption?

    Amazon S3 uses a combination of Content-MD5 checksums and cyclic redundancy checks (CRCs) to detect data corruption. Amazon S3 performs these checksums on data at rest and repairs any corruption using redundant data. In addition, the service calculates checksums on all network traffic to detect corruption of data packets when storing or retrieving data.

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Reference: AWS S3

AWS S3 Top 10 Questions and Answers Dump

Q0: You’ve written an application that uploads objects onto an S3 bucket. The size of the object varies between 200 – 500 MB. You’ve seen that the application sometimes takes a longer than expected time to upload the object. You want to improve the performance of the application. Which of the following would you consider?

  • A. Create multiple threads and upload the objects in the multiple threads
  • B. Write the items in batches for better performance
  • C. Use the Multipart upload API
  • D. Enable versioning on the Bucket


C. All other options are invalid since the best way to handle large object uploads to the S3 service is to use the Multipart upload API. The Multipart upload API enables you to upload large objects in parts. You can use this API to upload new large objects or make a copy of an existing object. Multipart uploading is a three-step process: You initiate the upload, you upload the object parts, and after you have uploaded all the parts, you complete the multipart upload. Upon receiving the complete multipart upload request, Amazon S3 constructs the object from the uploaded parts, and you can then access the object just as you would any other object in your bucket.

Reference: https://docs.aws.amazon.com/AmazonS3/latest/dev/mpuoverview.html


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Q2: You are using AWS SAM templates to deploy a serverless application. Which of the following resource will embed application from Amazon S3 buckets?

  • A. AWS::Serverless::Api
  • B. AWS::Serverless::Application
  • C. AWS::Serverless::Layerversion
  • D. AWS::Serverless::Function


Answer – B
AWS::Serverless::Application resource in AWS SAm template is used to embed application frm Amazon S3 buckets.
Reference: Declaring Serverless Resources

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Q3: A static web site has been hosted on a bucket and is now being accessed by users. One of the web pages javascript section has been changed to access data which is hosted in another S3 bucket. Now that same web page is no longer loading in the browser. Which of the following can help alleviate the error?

  • A. Enable versioning for the underlying S3 bucket.
  • B. Enable Replication so that the objects get replicated to the other bucket
  • C. Enable CORS for the bucket
  • D. Change the Bucket policy for the bucket to allow access from the other bucket


Answer – C

Cross-origin resource sharing (CORS) defines a way for client web applications that are loaded in one domain to interact with resources in a different domain. With CORS support, you can build rich client-side web applications with Amazon S3 and selectively allow cross-origin access to your Amazon S3 resources.

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Cross-Origin Resource Sharing: Use-case Scenarios The following are example scenarios for using CORS:

Scenario 1: Suppose that you are hosting a website in an Amazon S3 bucket named website as described in Hosting a Static Website on Amazon S3. Your users load the website endpoint http://website.s3-website-us-east-1.amazonaws.com. Now you want to use JavaScript on the webpages that are stored in this bucket to be able to make authenticated GET and PUT requests against the same bucket by using the Amazon S3 API endpoint for the bucket, website.s3.amazonaws.com. A browser would normally block JavaScript from allowing those requests, but with CORS you can congure your bucket to explicitly enable cross-origin requests from website.s3-website-us-east-1.amazonaws.com.

Scenario 2: Suppose that you want to host a web font from your S3 bucket. Again, browsers require a CORS check (also called a preight check) for loading web fonts. You would congure the bucket that is hosting the web font to allow any origin to make these requests.

Reference: Cross-Origin Resource Sharing (CORS)


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Q4: Your mobile application includes a photo-sharing service that is expecting tens of thousands of users at launch. You will leverage Amazon Simple Storage Service (S3) for storage of the user Images, and you must decide how to authenticate and authorize your users for access to these images. You also need to manage the storage of these images. Which two of the following approaches should you use? Choose two answers from the options below

  • A. Create an Amazon S3 bucket per user, and use your application to generate the S3 URL for the appropriate content.
  • B. Use AWS Identity and Access Management (IAM) user accounts as your application-level user database, and offload the burden of authentication from your application code.
  • C. Authenticate your users at the application level, and use AWS Security Token Service (STS)to grant token-based authorization to S3 objects.
  • D. Authenticate your users at the application level, and send an SMS token message to the user. Create an Amazon S3 bucket with the same name as the SMS message token, and move the user’s objects to that bucket.


Answer- C
The AWS Security Token Service (STS) is a web service that enables you to request temporary, limited-privilege credentials for AWS Identity and Access Management (IAM) users or for users that you authenticate (federated users). The token can then be used to grant access to the objects in S3.
You can then provides access to the objects based on the key values generated via the user id.

Reference: The AWS Security Token Service (STS)


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Q5: Both ACLs and Bucket Policies can be used to grant access to S3 buckets. Which of the following statements is true about ACLs and Bucket policies?

  • A. Bucket Policies are Written in JSON and ACLs are written in XML
  • B. ACLs can be attached to S3 objects or S3 Buckets
  • C. Bucket Policies and ACLs are written in JSON
  • D. Bucket policies are only attached to s3 buckets, ACLs are only attached to s3 objects
Answer: A. and B.
Only Bucket Policies are written in JSON, ACLs are written in XML.
While Bucket policies are indeed only attached to S3 buckets, ACLs can be attached to S3 Buckets OR S3 Objects.
Reference:

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Q6: What are good options to improve S3 performance when you have significantly high numbers of GET requests?

  • A. Introduce random prefixes to S3 objects
  • B. Introduce random suffixes to S3 objects
  • C. Setup CloudFront for S3 objects
  • D. Migrate commonly used objects to Amazon Glacier
Answer: C
CloudFront caching is an excellent way to avoid putting extra strain on the S3 service and to improve the response times of reqeusts by caching data closer to users at CloudFront locations.
S3 Transfer Acceleration optimizes the TCP protocol and adds additional intelligence between the client and the S3 bucket, making S3 Transfer Acceleration a better choice if a higher throughput is desired. If you have objects that are smaller than 1GB or if the data set is less than 1GB in size, you should consider using Amazon CloudFront’s PUT/POST commands for optimal performance.
Reference: Amazon S3 Transfer Acceleration

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Q7: If an application is storing hourly log files from thousands of instances from a high traffic
web site, which naming scheme would give optimal performance on S3?

  • A. Sequential
  • B. HH-DD-MM-YYYY-log_instanceID
  • C. YYYY-MM-DD-HH-log_instanceID
  • D. instanceID_log-HH-DD-MM-YYYY
  • E. instanceID_log-YYYY-MM-DD-HH


Answer: A. B. C. D. and E.
Amazon S3 now provides increased performance to support at least 3,500 requests per second to add data and 5,500 requests per second to retrieve data, which can save significant processing time for no additional charge. Each S3 prefix can support these request rates, making it simple to increase performance significantly.
This S3 request rate performance increase removes any previous guidance to randomize object prefixes to achieve faster performance. That means you can now use logical or sequential naming patterns in S3 object naming without any performance implications.

Reference: Amazon S3 Announces Increased Request Rate Performance

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Q8: You are working with the S3 API and receive an error message: 409 Conflict. What is the possible cause of this error

  • A. You’re attempting to remove a bucket without emptying the contents of the bucket first.
  • B. You’re attempting to upload an object to the bucket that is greater than 5TB in size.
  • C. Your request does not contain the proper metadata.
  • D. Amazon S3 is having internal issues.

Answer:A.

Reference: S3 Error codes

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Q9: You created three S3 buckets – “mywebsite.com”, “downloads.mywebsite.com”, and “www.mywebsite.com”. You uploaded your files and enabled static website hosting. You specified both of the default documents under the “enable static website hosting” header. You also set the “Make Public” permission for the objects in each of the three buckets. You create the Route 53 Aliases for the three buckets. You are going to have your end users test your websites by browsing to http://mydomain.com/error.html, http://downloads.mydomain.com/index.html, and http://www.mydomain.com. What problems will your testers encounter?

  • A. http://mydomain.com/error.html will not work because you did not set a value for the error.html file
  • B. There will be no problems, all three sites should work.
  • C. http://www.mywebsite.com will not work because the URL does not include a file name at the end of it.
  • D. http://downloads.mywebsite.com/index.html will not work because the “downloads” prefix is not a supported prefix for S3 websites using Route 53 aliases

Answer: B.
It used to be that the only allowed domain prefix when creating Route 53 Aliases for S3 static websites was the “www” prefix. However, this is no longer the case. You can now use other subdomain.

Reference: Hosting a Static Website on Amazon S3

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Q10: Which of the following is NOT a common S3 API call?

  • A. UploadPart
  • B. ReadObject
  • C. PutObject
  • D. DownloadBucket

Answer: D.

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Reference: s3api

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Other AWS Facts and Summaries

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Even if you’re small, you want people to see you as a professional business. If you’re still growing, you need the building blocks to get you where you want to be. I’ve learned so much about business through Google Workspace—I can’t imagine working without it.
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