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Free SOA-C02 Exam Braindumps
AWS Certified SysOps Administrator - Associate Questions 126–130 (page: 27)

Updated On: 10-Feb-2026
Page 27 of 97
PDF with 424 Questions

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



A SysOps administrator is creating two AWS CloudFormation templates. The first template will create a VPC with associated resources, such as subnets, route tables, and an internet gateway. The second template will deploy application resources within the VPC that was created by the first template. The second template should refer to the resources created by the first template.
How can this be accomplished with the LEAST amount of administrative effort?

  1. Add an export field to the outputs of the first template and import the values in the second template.
  2. Create a custom resource that queries the stack created by the first template and retrieves the required values.
  3. Create a mapping in the first template that is referenced by the second template.
  4. Input the names of resources in the first template and refer to those names in the second template as a parameter.

Answer(s): A



A company runs a web application on three Amazon EC2 instances behind an Application Load Balancer (ALB). The company notices that random periods of increased traffic cause a degradation in the application’s performance. A SysOps administrator must scale the application to meet the increased traffic.
Which solution meets these requirements?

  1. Create an Amazon CloudWatch alarm to monitor application latency and increase the size of each EC2 instance if the desired threshold is reached.
  2. Create an Amazon EventBridge (Amazon CloudWatch Events) rule to monitor application latency and add an EC2 instance to the ALB if the desired threshold is reached.
  3. Deploy the application to an Auto Scaling group of EC2 instances with a target tracking scaling policy. Attach the ALB to the Auto Scaling group.
  4. Deploy the application to an Auto Scaling group of EC2 instances with a scheduled scaling policy. Attach the ALB to the Auto Scaling group.

Answer(s): C



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