QUIZ AMAZON - RELIABLE SAA-C03 - AWS CERTIFIED SOLUTIONS ARCHITECT - ASSOCIATE PRACTICE EXAM PDF

Quiz Amazon - Reliable SAA-C03 - AWS Certified Solutions Architect - Associate Practice Exam Pdf

Quiz Amazon - Reliable SAA-C03 - AWS Certified Solutions Architect - Associate Practice Exam Pdf

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Amazon SAA-C03 certification exam consists of 65 multiple-choice questions that need to be answered within 130 minutes. SAA-C03 exam covers a wide range of topics, including AWS core services, security, database services, networking, and deployment and management. SAA-C03 Exam is available in multiple languages, including English, Japanese, Korean, and Simplified Chinese.

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Amazon SAA-C03 certification is highly valued by employers and is recognized worldwide. It is a clear indication of the candidate’s knowledge and expertise in AWS, and it demonstrates their ability to design and deploy highly available and fault-tolerant systems on AWS. AWS Certified Solutions Architect - Associate certification also opens up new job opportunities and career advancements.

Amazon SAA-C03 Certification Exam is intended for solutions architects, systems administrators, and developers who have experience in designing and deploying cloud-based solutions. SAA-C03 exam covers a wide range of topics, including AWS architecture, storage, compute, networking, security, and more. It also covers best practices for designing solutions on AWS and how to optimize performance and cost.

Amazon AWS Certified Solutions Architect - Associate Sample Questions (Q794-Q799):

NEW QUESTION # 794
A large financial firm needs to set up a Linux bastion host to allow access to the Amazon EC2 instances running in their VPC.
For security purposes, only the clients connecting from the corporate external public IP address 175.45.116.100 should have SSH access to the host.
Which is the best option that can meet the customer's requirement?

  • A. Security Group Inbound Rule: Protocol - TCP. Port Range - 22, Source 175.45.116.100/32
  • B. Network ACL Inbound Rule: Protocol - UDP, Port Range - 22, Source 175.45.116.100/32
  • C. Security Group Inbound Rule: Protocol - UDP, Port Range - 22, Source 175.45.116.100/32
  • D. Network ACL Inbound Rule: Protocol - TCP, Port Range-22, Source 175.45.116.100/0

Answer: A

Explanation:
A bastion host is a special purpose computer on a network specifically designed and configured to withstand attacks.
The computer generally hosts a single application, for example a proxy server, and all other services are removed or limited to reduce the threat to the computer.

When setting up a bastion host in AWS, you should only allow the individual IP of the client and not the entire network. Therefore, in the Source, the proper CIDR notation should be used. The /32 denotes one IP address and the /0 refers to the entire network.
The option that says: Security Group Inbound Rule: Protocol - UDP, Port Range - 22, Source 175.45.116.100/32 is incorrect since the SSH protocol uses TCP and port 22, and not UDP.
The option that says: Network ACL Inbound Rule: Protocol - UDP, Port Range - 22, Source 175.45.116.100/32 is incorrect since the SSH protocol uses TCP and port 22, and not UDP.
Aside from that, network ACLs act as a firewall for your whole VPC subnet while security groups operate on an instance level. Since you are securing an EC2 instance, you should be using security groups.
The option that says: Network ACL Inbound Rule: Protocol - TCP, Port Range-22, Source 175.45.116.100/0 is incorrect as it allowed the entire network instead of a single IP to gain access to the host.
Explanation:
Reference:
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html Check out this Amazon EC2 Cheat Sheet:
https://tutorialsdojo.com/amazon-elastic-compute-cloud-amazon-ec2/


NEW QUESTION # 795
[Design Resilient Architectures]
A retail company uses a regional Amazon API Gateway API for its public REST APIs. The API Gateway endpoint is a custom domain name that points to an Amazon Route 53 alias record. A solutions architect needs to create a solution that has minimal effects on customers and minimal data loss to release the new version of APIs.
Which solution will meet these requirements?

  • A. Create a new API Gateway endpoint with new versions of the API definitions. Create a custom domain name for the new API Gateway API. Point the Route 53 alias record to the new API Gateway API custom domain name.
  • B. Create a new API Gateway endpoint with a new version of the API in OpenAPI JSON file format. Use the import-to-update operation in overwrite mode into the API in API Gateway. Deploy the new version of the API to the production stage.
  • C. Create a canary release deployment stage for API Gateway. Deploy the latest API version. Point an appropriate percentage of traffic to the canary stage. After API verification, promote the canary stage to the production stage.
  • D. Create a new API Gateway endpoint with a new version of the API in OpenAPI YAML file format. Use the import-to-update operation in merge mode into the API in API Gateway. Deploy the new version of the API to the production stage.

Answer: C

Explanation:
This answer is correct because it meets the requirements of releasing the new version of APIs with minimal effects on customers and minimal data loss. A canary release deployment is a software development strategy in which a new version of an API is deployed for testing purposes, and the base version remains deployed as a production release for normal operations on the same stage. In a canary release deployment, total API traffic is separated at random into a production release and a canary release with a pre-configured ratio. Typically, the canary release receives a small percentage of API traffic and the production release takes up the rest. The updated API features are only visible to API traffic through the canary. You can adjust the canary traffic percentage to optimize test coverage or performance. By keeping canary traffic small and the selection random, most users are not adversely affected at any time by potential bugs in the new version, and no single user is adversely affected all the time. After the test metrics pass your requirements, you can promote the canary release to the production release and disable the canary from the deployment. This makes the new features available in the production stage.
Reference:
https://docs.aws.amazon.com/apigateway/latest/developerguide/canary-release.html


NEW QUESTION # 796
[Design Secure Architectures]
A solutions architect wants all new users to have specific complexity requirements and mandatory rotation periods tor IAM user passwords What should the solutions architect do to accomplish this?

  • A. Use third-party vendor software to set password requirements
  • B. Set a password policy for each IAM user in the AWS account
  • C. Attach an Amazon CloudWatch rule to the Create_newuser event to set the password with the appropriate requirements
  • D. Set an overall password policy for the entire AWS account

Answer: D

Explanation:
This option is the mostefficient because it sets an overall password policy for the entire AWS account, which is a way to specify complexity requirements and mandatory rotationperiods for IAM user passwords1. It also meets the requirement of setting a password policy for all new users, as the password policy applies to all IAM users in the account. This solution meets the requirement of setting specific complexity requirements and mandatory rotation periods for IAM user passwords. Option B is less efficient because it sets a password policy for each IAM user in the AWS account, which is not possible as password policies can only be set at the account level. Option C is less efficient because it uses third-party vendor software to set password requirements, which is not necessary as IAM provides a built-in way to set password policies. Option D is less efficient because it attaches an Amazon CloudWatch rule to the Create_newuser event to set the password with the appropriate requirements, which is not possible as CloudWatch rules cannot modify IAM user passwords.


NEW QUESTION # 797
A solution architect needs to assign a new microsoft for a company's application. Clients must be able to call an HTTPS endpoint to reach the micoservice. The microservice also must use AWS identity and Access Management (IAM) to authentication calls. The soltions architect will write the logic for this microservice by using a single AWS Lambda function that is written in Go 1.x.
Which solution will deploy the function in the in the MOST operationally efficient way?

  • A. Create an Amazon CloudFront distribution. Deploy the function to Lambda@Edge. Integrate IAM authentication logic into the Lambda@Edge function.
  • B. Create an Amazon CloudFront distribuion. Deploy the function to CloudFront Functions. Specify AWS_IAM as the authentication type.
  • C. Create a Lambda function URL for the function. Specify AWS_IAM as the authentication type.
  • D. Create an Amazon API Gateway REST API. Configure the method to use the Lambda function. Enable IAM authentication on the API.

Answer: D

Explanation:
1. Create an Amazon API Gateway REST API. Configure the method to use the Lambda function. Enable IAM authentication on the API. This option is the most operationally efficient as it allows you to use API Gateway to handle the HTTPS endpoint and also allows you to use IAM to authenticate the calls to the microservice. API Gateway also provides many additional features such as caching, throttling, and monitoring, which can be useful for a microservice.


NEW QUESTION # 798
[Design High-Performing Architectures]
A financial services company plans to launch a new application on AWS to handle sensitive financial transactions. The company will deploy the application on Amazon EC2 instances. The company will use Amazon RDS for MySQL as the database. The company's security policies mandate that data must be encrypted at rest and in transit.
Which solution will meet these requirements with the LEAST operational overhead?

  • A. Configure encryption at rest for Amazon RDS for MySQL by using AWS KMS managed keys. Configure AWS Certificate Manager (ACM) SSL/TLS certificates for encryption in transit.
  • B. Configure encryption at rest for Amazon RDS for MySQL by using AWS KMS managed keys Configure a VPN connection to enable private connectivity to encrypt data in transit.
  • C. Configure encryption at rest for Amazon RDS for MySQL by using AWS KMS managed keys. Configure IPsec tunnels for encryption in transit
  • D. Implement third-party application-level data encryption before storing data in Amazon RDS for MySQL. Configure AWS Certificate Manager (ACM) SSL/TLS certificates for encryption in transit.

Answer: A

Explanation:
This solution provides encryption at rest and in transit with the least operational overhead while adhering to the company's security policies.
Encryption at Rest: Amazon RDS for MySQL can be configured to encrypt data at rest by using AWS Key Management Service (KMS) managed keys. This encryption is applied automatically to all data stored on disk, including backups, read replicas, and snapshots. This solution requires minimal operational overhead because AWS manages the encryption and key management process.
Encryption in Transit: AWS Certificate Manager (ACM) allows you to provision, manage, and deploy SSL/TLS certificates seamlessly. These certificates can be used to encrypt data in transit by configuring the MySQL instance to use SSL/TLS for connections. This setup ensures thatdata is encrypted between the application and the database, protecting it from interception during transmission.
Why Not Other Options?:
Option B (IPsec tunnels): While IPsec tunnels encrypt data in transit, they are more complex to manage and require additional configuration and maintenance, leading to higher operational overhead.
Option C (Third-party application-level encryption): Implementing application-level encryption adds complexity, requires code changes, and increases operational overhead.
Option D (VPN for encryption): A VPN solution for encrypting data in transit is unnecessary and adds additional complexity without providing any benefit over SSL/TLS, which is simpler to implement and manage.
AWS Reference:
Amazon RDS Encryption- Information on how to configure and use encryption for Amazon RDS.
AWS Certificate Manager (ACM)- Details on using ACM to manage SSL/TLS certificates for securing data in transit.


NEW QUESTION # 799
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