Amazon Web Services itexams aws Certified Associate Soa-c02 Dumps Pdf by Niam q92 vce pdf

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Exam Name:	AWS Certified SysOps Administrator - Associate (SOA-C02)
Exam Code:	SOA-C02 Dumps
Vendor:	Amazon Web Services	Certification:	AWS Certified Associate
Questions:	556 Q&A's	Shared By:	niam

Question 52

A company has developed a service that is deployed on a fleet of Linux-based Amazon EC2 instances that are in an Auto Scaling group. The service occasionally fails unexpectedly because of an error in the application code. The company's engineering team determines that resolving the underlying cause of the service failure could take several weeks.

A SysOps administrator needs to create a solution to automate recovery if the service crashes on any of the EC2 instances.

Which solutions will meet this requirement? (Select TWO.)

Options:

Install the Amazon CloudWatch agent on the EC2 instances. Configure the CloudWatch agent to monitor the service. Set the CloudWatch action to restart if the service health check fails.

Tag the EC2 instances. Create an AWS Lambda function that uses AWS Systems Manager Session Manager to log in to the tagged EC2 instances and restart the service. Schedule the Lambda function to run every 5 minutes.

Tag the EC2 instances. Use AWS Systems Manager State Manager to create an association that uses the AWS-RunSheIIScript document. Configure the association command with a script that checks if the service is running and that starts the service if the service is not running. For targets, specify the EC2 instance tag. Schedule the association to run every 5 minutes.

Update the EC2 user data that is specified in the Auto Scaling group's launch template to include a script that runs on a cron schedule every 5 minutes.

Update the EC2 user data that is specified in the Auto Scaling group's launch template to ensure that the service runs during startup. Redeploy all the EC2 instances in the Auto Scaling group with the updated launch template.

Discussion

Answer:

A, C

Explanation:

The requirement is to automate recovery if the service crashes on any of the EC2 instances.

Option A: Install the Amazon CloudWatch agent on the EC2 instances. Configure the CloudWatch agent to monitor the service. Set the CloudWatch action to restart if the service health check fails . This is a valid solution because the CloudWatch agent can be configured to monitor the service and take action (restart the service) if the health check fails .

Option C: Tag the EC2 instances. Use AWS Systems Manager State Manager to create an association that uses the AWS-RunShellScript document. Configure the association command with a script that checks if the service is running and that starts the service if the service is not running. For targets, specify the EC2 instance tag. Schedule the association to run every 5 minutes678. This is a valid solution because AWS Systems Manager State Manager can be used to maintain a consistent state of the EC2 instances. It can run a script to check if the service is running and start the service if it’s not running678.

Option B: Tag the EC2 instances. Create an AWS Lambda function that uses AWS Systems Manager Session Manager to log in to the tagged EC2 instances and restart the service. Schedule the Lambda function to run every 5 minutes . This is not a valid solution because AWS Lambda functions are not designed to log in to EC2 instances and restart services. They are used for running serverless applications.

Option D: Update the EC2 user data that is specified in the Auto Scaling group’s launch template to include a script that runs on a cron schedule every 5 minutes131415. This is not a valid solution because user data scripts are run only during the launch of an EC2 instance. They are not designed to run on a schedule.

Option E: Update the EC2 user data that is specified in the Auto Scaling group’s launch template to ensure that the service runs during startup. Redeploy all the EC2 instances in the Auto Scaling group with the updated launch template131416. This is not a valid solution because while user data can be used to ensure that the service runs during startup, it does not provide a solution for when the service crashes after the EC2 instance has started.

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Question 53

A company wants to apply an existing Amazon Route 53 private hosted zone to a new VPC to allow for customized resource name resolution within the VPC. The Syspps administrator created the VPC and added the appropriate resource record sets to the private hosted zone.

Which step should the SysOps administrator take to complete the setup?

Options:

Associate the Route 53 private hosted zone with the VPC.

Create a rule in the default security group for the VPC that allows traffic to the Route 53 Resolver.

Ensure the VPC network ACLs allow traffic to the Route 53 Resolver.

Ensure there is a route to the Route 53 Resolver in each of the VPC route tables.

Discussion

Question 54

A company hosts an internal application on Amazon EC2 instances. All application data and requests route through an AWS Site-to-Site VPN connection between the on-premises network and AWS. The company must monitor the application for changes that allow network access outside of the corporate network. Any change that exposes the application externally must be restricted automatically.

Which solution meets these requirements in the MOST operationally efficient manner?

Options:

Create an AWS Lambda function that updates security groups that are associated with the elastic network interface to remove inbound rules with noncorporate CIDR ranges. Turn on VPC Flow Logs, and send the logs to Amazon CloudWatch Logs. Create an Amazon CloudWatch alarm that matches traffic from noncorporate CIDR ranges, and publish a message to an Amazon Simple Notification Service (Amazon SNS) topic with the Lambda function as a target.

Create a scheduled Amazon EventBridge (Amazon CloudWatch Events) rule that targets an AWS Systems Manager Automation document to check for public IP addresses on the EC2 instances. If public IP addresses are found on the EC2 instances, initiate another Systems Manager Automation document to terminate the instances.

Configure AWS Config and a custom rule to monitor whether a security group allows inbound requests from noncorporate CIDR ranges. Create an AWS Systems Manager Automation document to remove any noncorporate CIDR ranges from the application security groups.

Configure AWS Config and the managed rule for monitoring public IP associations with the EC2 instances by tag. Tag the EC2 instances with an identifier. Create an AWS Systems Manager Automation document to remove the public IP association from the EC2 instances.

Discussion

Question 55

A company is using an Amazon Aurora MySQL DB cluster that has point-in-time recovery, backtracking, and automatic backup enabled. A SysOps administrator needs to be able to roll back the DB cluster to a specific recovery point within the previous 72 hours. Restores must be completed in the same production DB cluster.

Which solution will meet these requirements?

Options:

Create an Aurora Replica. Promote the replica to replace the primary DB instance.

Create an AWS Lambda function to restore an automatic backup to the existing DB cluster.

Use backtracking to rewind the existing DB cluster to the desired recovery point.

Use point-in-time recovery to restore the existing DB cluster to the desired recovery point.