Amazon Web Services actualtests amazon Web Services Saa-c03 Questions Answers by Ariah q281 vce pdf

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Exam Name:	AWS Certified Solutions Architect - Associate (SAA-C03)
Exam Code:	SAA-C03 Dumps
Vendor:	Amazon Web Services	Certification:	AWS Certified Associate
Questions:	557 Q&A's	Shared By:	ariah

Question 136

A company uses an Amazon EC2 Auto Scaling group to host an API. The EC2 instances are in a target group that is associated with an Application Load Balancer (ALB). The company stores data in an Amazon Aurora PostgreSQL database.

The API has a weekly maintenance window. The company must ensure that the API returns a static maintenance response during the weekly maintenance window.

Which solution will meet this requirement with the LEAST operational overhead?

Options:

Create a table in Aurora PostgreSQL that has fields to contain keys and values. Create a key for a maintenance flag. Set the flag when the maintenance window starts. Configure the API to query the table for the maintenance flag and to return a maintenance response if the flag is set. Reset the flag when the maintenance window is finished.

Create an Amazon Simple Queue Service (Amazon SQS) queue. Subscribe the EC2 instances to the queue. Publish a message to the queue when the maintenance window starts. Configure the API to return a maintenance message if the instances receive a maintenance start message from the queue. Publish another message to the queue when the maintenance window is finished to restore normal operation.

Create a listener rule on the ALB to return a maintenance response when the path on a request matches a wildcard. Set the rule priority to one. Perform the maintenance. When the maintenance window is finished, delete the listener rule.

Create an Amazon Simple Notification Service (Amazon SNS) topic Subscribe the EC2 instances to the topic Publish a message to the topic when the maintenance window starts. Configure the API to return a maintenance response if the instances receive the maintenance start message from the topic. Publish another message to the topic when the maintenance window finshes to restore normal operation.

Discussion

Question 137

A company is designing a website that displays stock market prices to users. The company wants to use Amazon ElastiCache (Redis OSS) for the data caching layer. The company needs to ensure that the website's data caching layer can automatically fail over to another node if necessary.

Options:

Enable read replicas in ElastiCache (Redis OSS). Promote the read replica when necessary.

Enable Multi-AZ in ElastiCache (Redis OSS). Fail over to a second node when necessary.

Export a backup of the ElastiCache (Redis OSS) cache to an Amazon S3 bucket. Restore the cache to a second cluster when necessary.

Export a backup of the ElastiCache (Redis OSS) cache by using AWS Backup. Restore the cache to a second cluster when necessary.

Discussion

Question 138

A healthcare company is developing an AWS Lambda function that publishes notifications to an encrypted Amazon Simple Notification Service (Amazon SNS) topic. The notifications contain protected health information (PHI).

The SNS topic uses AWS Key Management Service (AWS KMS) customer-managed keys for encryption. The company must ensure that the application has the necessary permissions to publish messages securely to the SNS topic.

Which combination of steps will meet these requirements? (Select THREE.)

Options:

Create a resource policy for the SNS topic that allows the Lambda function to publish messages to the topic.

Use server-side encryption with AWS KMS keys (SSE-KMS) for the SNS topic instead of customer-managed keys.

Create a resource policy for the encryption key that the SNS topic uses that has the necessary AWS KMS permissions.

Specify the Lambda function's Amazon Resource Name (ARN) in the SNS topic's resourcepolicy.

Associate an Amazon API Gateway HTTP API with the SNS topic to control access to the topic by using API Gateway resource policies.

Configure a Lambda execution role that has the necessary IAM permissions to use a customer-managed key in AWS KMS.

Discussion

Question 139

A solutions architect needs to secure an Amazon API Gateway REST API. Users need to be able to log in to the API by using common external social identity providers (IdPs). The social IdPs must use standard authentication protocols such as SAML or OpenID Connect (OIDC). The solutions architect needs to protect the API against attempts to exploit application vulnerabilities.

Which combination of steps will meet these security requirements? (Select TWO.)

Options:

Create an AWS WAF web ACL that is associated with the REST API. Add the appropriate managed rules to the ACL.

Subscribe to AWS Shield Advanced. Enable DDoS protection. Associate Shield Advanced with the REST API.

Create an Amazon Cognito user pool with a federation to the social IdPs. Integrate the user pool with the REST API.

Create an API key in API Gateway. Associate the API key with the REST API.

Create an IP address filter in AWS WAF that allows only the social IdPs. Associate the filter with the web ACL and the API.

Discussion

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