Amazon AWS Certified SysOps Administrator (SOA-C01) Free Practice Test - 20 Questions

Question 1

A SysOps administrator configured a CloudWatch alarm on the MemoryUtilization metric for an EC2 instance. The alarm state remains 'INSUFFICIENT DATA' despite the instance running. What is the most likely cause?

Accepted Answer

The CloudWatch agent is not installed on the instance.

Question 2

An S3 bucket policy grants full access to an IAM user. The same user also has an IAM policy that explicitly denies access to that bucket. What is the user's effective access?

Accepted Answer

The user is denied access because an explicit deny overrides any allow.

Question 3

Which feature of AWS CloudTrail ensures that log files have not been tampered with after they were delivered?

Accepted Answer

Log file validation

Question 4

A SysOps administrator wants to run a custom script every time an EC2 instance is launched in an Auto Scaling group. The script must execute when the instance transitions to the 'InService' state. Which action should be taken?

Accepted Answer

Use an Auto Scaling lifecycle hook to trigger a Lambda function that runs the script.

Question 5

An Application Load Balancer is used behind an Auto Scaling group. To ensure that in-flight requests are completed before an instance is deregistered, what feature should be enabled?

Accepted Answer

Connection draining

Question 6

An RDS MySQL database is configured with automated backups. What is the maximum retention period for automated backups?

Accepted Answer

35 days

Question 7

A network engineer notices that certain traffic to an EC2 instance is being rejected. Which AWS service can be used to capture and analyze the network traffic metadata to identify the source of the rejection?

Accepted Answer

VPC Flow Logs

Question 8

A company wants to grant an IAM role in Account A access to an S3 bucket in Account B. Which policy configuration is required?

Accepted Answer

An IAM policy in Account A allowing access and a bucket policy in Account B granting access to the role.

Question 9

A SysOps administrator needs to configure the CloudWatch Logs agent to send multi-line log entries (e.g., Java stack traces) as a single log event. Which configuration option should be used?

Accepted Answer

multi_line_start_pattern

Question 10

An S3 bucket has versioning enabled and a lifecycle policy to transition objects to S3 Standard-IA after 30 days. A SysOps administrator notices that objects created before the policy was enabled are not transitioning. What is the most likely reason?

Accepted Answer

The lifecycle policy only applies to objects created after it was created.

Question 11

An EC2 instance is failing to retrieve its user data. Which URL should the instance use to access instance metadata?

Accepted Answer

http://169.254.169.254/latest/user-data

Question 12

An Auto Scaling group is scaling in and out rapidly due to fluctuating CPU utilization. Which parameter should be adjusted to prevent this instability?

Accepted Answer

Cooldown period

Question 13

A SysOps administrator wants to store detailed logs for an Application Load Balancer. Which service should be configured to capture these logs?

Accepted Answer

S3 bucket with access logs enabled on the load balancer

Question 14

A SysOps administrator needs to failover DNS traffic to a secondary region in the event of a primary region outage. Which Route53 routing policy should be used?

Accepted Answer

Failover routing

Question 15

A CloudFormation stack update fails halfway through. The administrator wants to investigate the cause but also wants to avoid manually rolling back the resources that were successfully created. Which setting should be used for the stack update?

Accepted Answer

Disable rollback

Question 16

An RDS MySQL database has a read replica in another region. The primary database fails. Which action should the administrator take to promote the read replica to become the new primary?

Accepted Answer

Promote the read replica to a standalone instance.

Question 17

A SysOps administrator wants to trigger a Lambda function whenever a new object is uploaded to an S3 bucket. Which configuration should be used?

Accepted Answer

S3 event notification to Lambda

Question 18

An EC2 instance is experiencing hardware issues. The administrator wants to automatically recover the instance if it becomes impaired. Which action should be taken?

Accepted Answer

Create a CloudWatch alarm that triggers an EC2 instance recovery action.

Question 19

An Application Load Balancer is used to distribute traffic to a fleet of web servers. The application requires that a user's session is routed to the same backend server for the duration of the session. Which feature should be configured on the load balancer?

Accepted Answer

Sticky sessions

Question 20

A SysOps administrator needs to run a script to update the operating system packages on multiple EC2 instances across different regions. Which AWS service is best suited for this task?

Accepted Answer

AWS Systems Manager Run Command

Amazon AWS Certified SysOps Administrator (SOA-C01) Free Practice Test - 20 Questions

The free lane is only the front row