AWS Associate Certified SysOps Administrator - Associate 3

Question 1

A SysOps Administrator needs to patch all EC2 instances in a fleet during a maintenance window without writing custom scripts. Which AWS service automates this?

Accepted Answer

AWS Systems Manager Patch Manager with a maintenance window

Answer

Systems Manager Patch Manager scans instances for missing patches and installs them during a defined maintenance window using Run Command.

Question 2

CloudWatch Logs are not appearing for an EC2 instance. The CloudWatch agent is installed. What is the most likely cause?

Accepted Answer

The IAM instance profile lacks the CloudWatchAgentServerPolicy permission

Answer

The CloudWatch agent requires the IAM instance profile to have permissions (typically CloudWatchAgentServerPolicy) to publish logs and metrics to CloudWatch.

Question 3

A SysOps Administrator wants to receive an alert when AWS costs exceed $500 in a single month. Which combination of services achieves this?

Accepted Answer

AWS Budgets with an SNS alert action

Answer

AWS Budgets allows you to define a cost threshold and trigger an SNS notification or email alert when actual or forecasted costs exceed the budget.

Question 4

An application deployed across three AZs shows that one AZ is receiving significantly more traffic than the others through an Application Load Balancer. What should the administrator check?

Accepted Answer

Enable cross-zone load balancing on the ALB

Answer

Cross-zone load balancing distributes requests evenly across all registered instances regardless of AZ, preventing uneven distribution when AZs have different instance counts.

Question 5

Which feature of AWS CloudFormation allows a SysOps Administrator to preview the changes that will be made to a stack before executing an update?

Accepted Answer

Change set

Answer

A CloudFormation change set shows a preview of how proposed changes will modify existing stack resources before the update is actually applied.

AWS Practice Test

AWS Practice Test

AWS Associate Certified SysOps Administrator - Associate 3