AWS Certified SysOps Administrator – Associate (SOA-C01)
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| Exam Code |
SOA-C01 |
| Exam Name |
AWS Certified SysOps Administrator – Associate |
| Questions |
300 Questions Answers With Explanation |
| Update Date |
May 2, 2025 |
Sample Questions
Question 1
An application runs on multiple Amazon EC2 instances behind an ELB. The admin needs to monitor average CPU utilization. Which service should be used?
A. AWS CloudTrail
B. Amazon CloudWatch
C. AWS Config
D. AWS Inspector
Correct Answer: B
Explanation: CloudWatch collects metrics like CPU utilization for EC2 and can be used to monitor system performance.
Question 2
You need to create and manage infrastructure as code. What AWS service is designed for this?
A. AWS OpsWorks
B. AWS Config
C. AWS CloudFormation
D. AWS CodeBuild
Correct Answer: C
Explanation: CloudFormation allows you to define AWS infrastructure using code templates.
Question 3
An EC2 instance stores critical logs. What should you do to ensure durability?
A. Use EBS and enable snapshot backups
B. Store on instance store volumes
C. Enable Auto Scaling
D. Attach logs to ELB
Correct Answer: A
Explanation: EBS volumes with snapshots ensure persistence and backup of important data.
Question 4
Which service allows you to centrally manage billing for multiple AWS accounts?
A. AWS Consolidated Billing
B. AWS Budgets
C. AWS Trusted Advisor
D. AWS Organizations
Correct Answer: D
Explanation: AWS Organizations helps centrally manage multiple accounts and enables consolidated billing.
Question 5
A CloudWatch Alarm is triggered but no action is taken. What is the most likely cause?
A. Incorrect IAM permissions
B. Alarm is in OK state
C. No action configured
D. S3 bucket is full
Correct Answer: C
Explanation: Alarms require an action to be defined (e.g., SNS notification) to trigger responses.
Question 6
How can you enforce compliance by automatically checking AWS resource configurations?
A. AWS Config Rules
B. CloudTrail logs
C. S3 bucket policies
D. IAM roles
Correct Answer: A
Explanation: AWS Config Rules allow automated evaluation of AWS resource compliance.
Question 7
You need to restrict access to an S3 bucket by IP address. Which should you use?
A. IAM role
B. Bucket policy
C. ACL
D. CloudTrail
Correct Answer: B
Explanation: Bucket policies support IP-based access restrictions.
Question 8
Which AWS service automatically adjusts the number of EC2 instances based on demand?
A. Elastic Load Balancer
B. Auto Scaling
C. CloudWatch
D. Route 53
Correct Answer: B
Explanation: Auto Scaling scales EC2 instances in or out based on policies.
Question 9
Which service enables DNS failover in AWS?
A. Amazon Route 53
B. AWS CloudFormation
C. AWS Direct Connect
D. AWS VPN
Correct Answer: A
Explanation: Route 53 supports DNS-based routing and failover configurations.
Question 10
How do you automatically install software on new EC2 instances during launch?
A. EC2 Image Builder
B. CloudTrail
C. User data scripts
D. Security groups
Correct Answer: C
Explanation: User data scripts run at instance boot time to install or configure software.
Question 11
A SysOps Admin needs to track API calls made by users. What should they use?
A. CloudTrail
B. Config
C. IAM roles
D. EC2 logs
Correct Answer: A
Explanation: CloudTrail logs all API activity in an AWS account.
Question 12
How do you ensure only encrypted data is uploaded to an S3 bucket?
A. Enable versioning
B. Use a bucket policy denying unencrypted uploads
C. Use IAM MFA
D. Enable public access block
Correct Answer: B
Explanation: A bucket policy can deny requests that don’t use encryption.
Question 13
What AWS tool can help reduce costs by identifying underused resources?
A. CloudWatch
B. CloudTrail
C. Trusted Advisor
D. SSM
Correct Answer: C
Explanation: Trusted Advisor provides cost optimization recommendations.
Question 14
To automate a recurring task on EC2 every day, which tool should be used?
A. Lambda
B. CloudTrail
C. EC2 cron job
D. EventBridge
Correct Answer: C
Explanation: cron jobs on Linux (or Task Scheduler on Windows) can run tasks on schedule.
Question 15
Which of the following allows administrators to log in to EC2 without managing SSH keys?
A. Systems Manager Session Manager
B. IAM access key
C. EC2 key pair
D. KMS
Correct Answer: A
Explanation: Session Manager enables secure access to EC2 instances without SSH keys.
Question 16
How do you ensure high availability for a web app hosted in a single region?
A. Use S3
B. Use Auto Scaling and deploy across multiple AZs
C. Use Route 53 latency routing
D. Use a single large EC2 instance
Correct Answer: B
Explanation: Deploying across multiple Availability Zones improves availability and fault tolerance.
Question 17
What allows EC2 instances to access S3 without hardcoding credentials?
A. IAM roles
B. KMS
C. Security Groups
D. IAM users
Correct Answer: A
Explanation: Assign IAM roles to EC2 instances for temporary, secure access to other services.
Question 18
A team wants to schedule database backups weekly. What is the best solution?
A. Amazon RDS automated backups
B. EC2 snapshot
C. RDS manual snapshot
D. Lambda with CloudWatch Events
Correct Answer: A
Explanation: RDS supports automated backups with a defined retention period.
Question 19
Which tool helps deploy changes across a fleet of EC2 instances in a consistent manner?
A. AWS CodeDeploy
B. Amazon Inspector
C. IAM policies
D. Lambda
Correct Answer: A
Explanation: CodeDeploy automates and manages deployments across multiple instances.
Question 20
How can you ensure a security group change does not violate compliance?
A. Use AWS Config rules to track changes
B. Use EC2 metadata
C. Use CloudWatch
D. Use Auto Scaling
Correct Answer: A
Explanation: AWS Config can track configuration changes and enforce rules for compliance.
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AWS Certified SysOps Administrator – Associate (SOA-C01)
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