Free SOA-C02 Exam Braindumps (page: 32)

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A company hosts a web application on Amazon EC2 instances behind an Application Load Balancer. The instances are in an Amazon EC2 Auto Scaling group. The application is accessed with a public URL.

A SysOps administrator needs to implement a monitoring solution that checks the availability of the application and follows the same routes and actions as a customer. The SysOps administrator must receive a notification if less than 95% of the monitoring runs find no errors.

Which solution will meet these requirements?

  1. Create an Amazon CloudWatch Synthetics canary with a script that follows customer routes. Schedule the canary to run on a recurring schedule. Create a CloudWatch alarm that publishes a message to an Amazon Simple Notification Service (Amazon SNS) topic when the SuccessPercent metric is less than 95%.
  2. Create Amazon Route 53 health checks that monitor the availability of the endpoint. Create Amazon CloudWatch alarms that publish a message to an Amazon Simple Notification Service (Amazon SNS) topic when the HealthCheckPercentageHealthy metric is less than 95%.
  3. Create a single AWS Lambda function to check whether the endpoints are available for each customer path. Schedule the Lambda function by using Amazon EventBridge (Amazon CloudWatch Events). Configure the Lambda function to publish a message to an Amazon Simple Notification Service (Amazon SNS) topic when an endpoint returns an error.
  4. Create an AWS Lambda function for each customer path to check whether that specific endpoint is available. Schedule the Lambda functions by using Amazon EventBridge (Amazon CloudWatch Events). Configure each Lambda function to publish a custom metric to Amazon CloudWatch for the endpoint status. Create CloudWatch alarms based on each custom metric to publish a message to an Amazon Simple Notification Service (Amazon SNS) topic when an alarm is in the ALARM state.

Answer(s): A



A SysOps administrator uses AWS Systems Manager Session Manager to connect to instances. After the SysOps administrator launches a new Amazon EC2 instance, the EC2 instance does not appear in the Session Manager list of systems that are available for connection. The SysOps administrator verifies that Systems Manager Agent is installed, updated, and running on the EC2 instance.

What is the reason for this issue?

  1. The SysOps administrator does not have access to the key pair that is required for connection.
  2. The SysOps administrator has not attached a security group to the EC2 instance to allow SSH on port 22.
  3. The EC2 instance does not have an attached IAM role that allows Session Manager to connect to the EC2 instance.
  4. The EC2 instance ID has not been entered into the Session Manager configuration.

Answer(s): C



A SysOps administrator is unable to launch Amazon EC2 instances into a VPC because there are no available private IPv4 addresses in the VPC.

Which combination of actions must the SysOps administrator take to launch the instances? (Choose two.)

  1. Associate a secondary IPv4 CIDR block with the VPC.
  2. Associate a primary IPv6 CIDR block with the VPC.
  3. Create a new subnet for the VP
  4. Modify the CIDR block of the VPC.
  5. Modify the CIDR block of the subnet that is associated with the instances.

Answer(s): A,C



A SysOps administrator is creating an Amazon EC2 Auto Scaling group in a new AWS account. After adding some instances, the SysOps administrator notices that the group has not reached the minimum number of instances. The SysOps administrator receives the following error message:

Launching a new EC2 instance. Status Reason: Your quota allows for 0 more running instance(s).
You requested at least 1. Launching EC2 instance failed.

Which action will resolve this issue?

  1. Adjust the account spending limits for Amazon EC2 on the AWS Billing and Cost Management console.
  2. Modify the EC2 quota for that AWS Region in the EC2 Settings section of the EC2 console.
  3. Request a quota increase for the instance type family by using Service Quotas on the AWS Management Console.
  4. Use the Rebalance action in the Auto Scaling group on the AWS Management Console.

Answer(s): C



Page 32 of 106



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