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Amazon SAA-C03 Exam Syllabus Topics:

Topic	Details
Topic 1	Design Resilient Architectures Design high-performing and elastic compute solutions
Topic 2	Threat vectors external to AWS AWS federated access and identity services
Topic 3	Design secure access to AWS resources Design Secure Architectures
Topic 4	Encryption and appropriate key management Determine appropriate data security controls
Topic 5	Design highly available and or fault-tolerant architectures Determine high-performing and or scalable network architectures.
Topic 6	The AWS shared responsibility model Access controls and management across multiple accounts
Topic 7	Design cost-optimized compute solutions Design Cost-Optimized Architectures
Topic 8	How to appropriately use edge accelerators AWS managed services with appropriate use cases
Topic 9	Database engines with appropriate use cases Determine high-performing database solutions
Topic 10	Storage types with associated characteristics Design scalable and loosely coupled architectures
Topic 11	Storage types with associated characteristics Design High-Performing Architectures
Topic 12	Determine high-performing data ingestion and transformation solutions Determine high-performing and or scalable storage solutions
Topic 13	Distributed computing concepts supported by AWS global infrastructure and edge services Serverless technologies and patterns
Topic 14	Control ports, protocols, and network traffic on AWS Design secure workloads and applications

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Amazon AWS Certified Solutions Architect - Associate (SAA-C03) Exam Sample Questions (Q80-Q85):

NEW QUESTION # 80
A multinational manufacturing company has multiple accounts in AWS to separate their various departments such as finance, human resources, engineering and many others. There is a requirement to ensure that certain access to services and actions are properly controlled to comply with the security policy of the company.
As the Solutions Architect, which is the most suitable way to set up the multi-account AWS environment of the company?

• A. Use AWS Organizations and Service Control Policies to control services on each account.
• B. Provide access to externally authenticated users via Identity Federation. Set up an IAM role to specify permissions for users from each department whose identity is federated from your organization or a third-party identity provider.
• C. Set up a common IAM policy that can be applied across all AWS accounts.
• D. Connect all departments by setting up a cross-account access to each of the AWS accounts of the company. Create and attach IAM policies to your resources based on their respective departments to control access.

Answer: A Explanation:
Using AWS Organizations and Service Control Policies to control services on each account is the correct answer. Refer to the diagram below:

AWS Organizations offers policy-based management for multiple AWS accounts. With Organizations, you can create groups of accounts, automate account creation, apply and manage policies for those groups. Organizations enables you to centrally manage policies across multiple accounts, without requiring custom scripts and manual processes. It allows you to create Service Control Policies (SCPs) that centrally control AWS service use across multiple AWS accounts.
Setting up a common IAM policy that can be applied across all AWS accounts is incorrect because it is not possible to create a common IAM policy for multiple AWS accounts.
The option that says: Connect all departments by setting up a cross-account access to each of the AWS accounts of the company. Create and attach IAM policies to your resources based on their respective departments to control access is incorrect because although you can set up cross-account access to each department, this entails a lot of configuration compared with using AWS Organizations and Service Control Policies (SCPs). Cross-account access would be a more suitable choice if you only have two accounts to manage, but not for multiple accounts.
The option that says: Provide access to externally authenticated users via Identity Federation. Set up an IAM role to specify permissions for users from each department whose identity is federated from your organization or a third-party identity provider is incorrect as this option is focused on the Identity Federation authentication set up for your AWS accounts but not the IAM policy management for multiple AWS accounts. A combination of AWS Organizations and Service Control Policies (SCPs) is a better choice compared to this option.
Explanation:
Reference:
https://aws.amazon.com/organizations/
Check out this AWS Organizations Cheat Sheet: https://tutorialsdojo.com/aws-organizations/ Service Control Policies (SCP) vs IAM Policies: https://tutorialsdojo.com/service-control-policies-scp-vs-iam- policies/ Comparison of AWS Services Cheat Sheets:
https://tutorialsdojo.com/comparison-of-aws-services/
NEW QUESTION # 81
A disaster recovery team is planning to back up on-premises records to a local file server share through SMB protocol. To meet the company's business continuity plan, the team must ensure that a copy of data from 48 hours ago is available for immediate access. Accessing older records with delay is tolerable.
Which should the DR team implement to meet the objective with the LEAST amount of configuration effort?

• A. Use an AWS Storage File gateway with enough storage to keep data from the last 48 hours. Send the backups to an SMB share mounted as a local disk.
• B. Mount an Amazon EFS file system on the on-premises client and copy all backups to an NFS share.
• C. Create an SMB file share in Amazon FSx for Windows File Server that has enough storage to store all backups. Access the file share from on-premises.
• D. Create an AWS Backup plan to copy data backups to a local SMB share every 48 hours.

Answer: A Explanation:
Amazon S3 File Gateway presents a file interface that enables you to store files as objects in Amazon S3 using the industry-standard NFS and SMB file protocols, and access those files via NFS and SMB from your data center or Amazon EC2, or access those files as objects directly in Amazon S3.


When you deploy File Gateway, you specify how much disk space you want to allocate for local cache.
This local cache acts as a buffer for writes and provides low latency access to data that was recently written to or read from Amazon S3. When a client writes data to a file via File Gateway, that data is first written to the local cache disk on the gateway itself. Once the data has been safely persisted to the local cache, only then does the File Gateway acknowledge the write back to the client. From there, File Gateway transfers the data to the S3 bucket asynchronously in the background, optimizing data transfer using multipart parallel uploads, and encrypting data in transit using HTTPS.
In this scenario, you can deploy an AWS Storage File Gateway to the on-premises client. After activating the File Gateway, create an SMB share and mount it as a local disk at the on-premises end. Copy the backups to the SMB share. You must ensure that you size the File Gateway's local cache appropriately to the backup data that needs immediate access. After the backup is done, you will be able to access the older data but with a delay. There will be a small delay since data (not in cache) needs to be retrieved from Amazon S3.
Hence, the correct answer is: Use an AWS Storage File gateway with enough storage to keep data from the last 48 hours. Send the backups to an SMB share mounted as a local disk.
The option that says: Create an SMB file share in Amazon FSx for Windows File Server that has enough storage to store all backups. Access the file share from on-premises is incorrect because this requires additional setup. You need to set up a Direct Connect or VPN connection from on-premises to AWS first in order for this to work.
The option that says: Mount an Amazon EFS file system on the on-premises client and copy all backups to an NFS share is incorrect because the file share required in the scenario needs to be using the SMB protocol.
The option that says: Create an AWS Backup plan to copy data backups to a local SMB share every 48 hours is incorrect. AWS Backup only works on AWS resources. References:
https://aws.amazon.com/blogs/storage/easily-store-your-sql-server-backups-in-amazon-s3-using-file-gat eway/
https://aws.amazon.com/storagegateway/faqs/
AWS Storage Gateway Overview:
https://www.youtube.com/watch?v=pNb7xOBJjHE
Check out this AWS Storage Gateway Cheat Sheet:
https://tutorialsdojo.com/aws-storage-gateway/
NEW QUESTION # 82
A company is deploying a new public web application to AWS. The application will run behind an Application Load Balancer (ALB). The application needs to be encrypted at the edge with an SSL/TLS certificate that is issued by an external certificate authority (CA). The certificate must be rotated each year before the certificate expires.
What should a solutions architect do to meet these requirements?

• A. Use AWS Certificate Manager (ACM) to issue an SSL/TLS certificate. Import the key material from the certificate. Apply the certificate to the ALB. Use the managed renewal feature to automatically rotate the certificate.
• B. Use AWS Certificate Manager (ACM) to import an SSL/TLS certificate. Apply the certificate to the ALB. Use Amazon EventBridge (Amazon CloudWatch Events) to send a notification when the certificate is nearing expiration. Rotate the certificate manually.
• C. Use AWS Certificate Manager (ACM) Private Certificate Authority to issue an SSL/TLS certificate from the root CA. Apply the certificate to the ALB. Use the managed renewal feature to automatically rotate the certificate.
• D. Use AWS Certificate Manager (ACM) to issue an SSL/TLS certificate. Apply the certificate to the ALB.
  Use the managed renewal feature to automatically rotate the certificate.

Answer: B
NEW QUESTION # 83
A company plans to build a web architecture using On-Demand EC2 instances and a database in AWS. However, due to budget constraints, the company instructed the Solutions Architect to choose a database service in which they no longer need to worry about database management tasks such as hardware or software provisioning, setup, configuration, scaling, and backups.
Which of the following services should the Solutions Architect recommend?

• A. Amazon RDS
• B. Amazon ElastiCache
• C. Amazon DynamoDB
• D. Amazon Redshift

Answer: C Explanation:
Basically, a database service in which you no longer need to worry about database management tasks such as hardware or software provisioning, setup, and configuration is called a fully managed database.
This means that AWS fully manages all of the database management tasks and the underlying host server. The main differentiator here is the keyword "scaling" in the question. In RDS, you still have to manually scale up your resources and create Read Replicas to improve scalability while in DynamoDB, this is automatically done.
Amazon DynamoDB is the best option to use in this scenario. It is a fully managed non-relational database service - you simply create a database table, set your target utilization for Auto Scaling, and let the service handle the rest. You no longer need to worry about database management tasks such as hardware or software provisioning, setup, and configuration, software patching, operating a reliable, distributed database cluster, or partitioning data over multiple instances as you scale. DynamoDB also lets you backup and restore all your tables for data archival, helping you meet your corporate and governmental regulatory requirements.

Amazon RDS is incorrect because this is just a "managed" service and not "fully managed". This means that you still have to handle the backups and other administrative tasks such as when the automated OS patching will take place.
Amazon ElastiCache is incorrect. Although ElastiCache is fully managed, it is not a database service but an In-Memory Data Store.
Amazon Redshift is incorrect. Although this is fully managed, it is not a database service but a Data Warehouse.
References:
https://aws.amazon.com/dynamodb/
https://aws.amazon.com/products/databases/
Check out this Amazon DynamoDB Cheat Sheet:
https://tutorialsdojo.com/amazon-dynamodb/
NEW QUESTION # 84
A popular social media website uses a CloudFront web distribution to serve their static contents to their millions of users around the globe. They are receiving a number of complaints recently that their users take a lot of time to log into their website. There are also occasions when their users are getting HTTP 504 errors. You are instructed by your manager to significantly reduce the user's login time to further optimize the system.
Which of the following options should you use together to set up a cost-effective solution that can improve your application's performance? (Select TWO.)

• A. Configure your origin to add a Cache-Control max-age directive to your objects, and specify the longest practical value for max-age to increase the cache hit ratio of your CloudFront distribution.
• B. Deploy your application to multiple AWS regions to accommodate your users around the world. Set up a Route 53 record with latency routing policy to route incoming traffic to the region that provides the best latency to the user.
• C. Set up an origin failover by creating an origin group with two origins. Specify one as the primary origin and the other as the second origin which CloudFront automatically switches to when the primary origin returns specific HTTP status code failure responses.
• D. Customize the content that the CloudFront web distribution delivers to your users using [email protected], which allows your Lambda functions to execute the authentication process in AWS locations closer to the users.
• E. Use multiple and geographically disperse VPCs to various AWS regions then create a transit VPC to connect all of your resources. In order to handle the requests faster, set up Lambda functions in each region using the AWS Serverless Application Model (SAM) service.

Answer: C,D Explanation:
[email protected] lets you run Lambda functions to customize the content that CloudFront delivers, executing the functions in AWS locations closer to the viewer. The functions run in response to CloudFront events, without provisioning or managing servers. You can use Lambda functions to change CloudFront requests and responses at the following points:
- After CloudFront receives a request from a viewer (viewer request)
- Before CloudFront forwards the request to the origin (origin request)
- After CloudFront receives the response from the origin (origin response)
- Before CloudFront forwards the response to the viewer (viewer response)

In the given scenario, you can use [email protected] to allow your Lambda functions to customize the content that CloudFront delivers and to execute the authentication process in AWS locations closer to the users. In addition, you can set up an origin failover by creating an origin group with two origins with one as the primary origin and the other as the second origin which CloudFront automatically switches to when the primary origin fails. This will alleviate the occasional HTTP 504 errors that users are experiencing. Therefore, the correct answers are:
- Customize the content that the CloudFront web distribution delivers to your users using [email protected], which allows your Lambda functions to execute the authentication process in AWS locations closer to the users.
- Set up an origin failover by creating an origin group with two origins. Specify one as the primary origin and the other as the second origin which CloudFront automatically switches to when the primary origin returns specific HTTP status code failure responses.
The option that says: Use multiple and geographically disperse VPCs to various AWS regions then create a transit VPC to connect all of your resources. In order to handle the requests faster, set up Lambda functions in each region using the AWS Serverless Application Model (SAM) service is incorrect because of the same reason provided above. Although setting up multiple VPCs across various regions which are connected with a transit VPC is valid, this solution still entails higher setup and maintenance costs. A more cost-effective option would be to use [email protected] instead.
The option that says: Configure your origin to add a Cache-Control max-age directive to your objects, and specify the longest practical value for max-age to increase the cache hit ratio of your CloudFront distribution is incorrect because improving the cache hit ratio for the CloudFront distribution is irrelevant in this scenario. You can improve your cache performance by increasing the proportion of your viewer requests that are served from CloudFront edge caches instead of going to your origin servers for content. However, take note that the problem in the scenario is the sluggish authentication process of your global users and not just the caching of the static objects.
The option that says: Deploy your application to multiple AWS regions to accommodate your users around the world. Set up a Route 53 record with latency routing policy to route incoming traffic to the region that provides the best latency to the user is incorrect. Although this may resolve the performance issue, this solution entails a significant implementation cost since you have to deploy your application to multiple AWS regions. Remember that the scenario asks for a solution that will improve the performance of the application with minimal cost.
References:
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/highavailabilityorigin_failover
.html
https://docs.aws.amazon.com/lambda/latest/dg/lambda-edge.html
Check out these Amazon CloudFront and AWS Lambda Cheat Sheets:
https://tutorialsdojo.com/amazon-cloudfront/
https://tutorialsdojo.com/aws-lambda/
NEW QUESTION # 85
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