AWS Cloud Monitoring and Observability Exam
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Answers) Plus Rationales 2026 Q&A | Instant
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1. What is the primary purpose of Amazon CloudWatch?
A. Data encryption service
B. Monitoring and observability service for AWS resources
C. Content delivery network
D. Identity management service
Rationale: Amazon CloudWatch is designed to collect and track
metrics, logs, and events from AWS resources and applications. It
enables monitoring of system performance, detection of operational
changes, and setting alarms based on thresholds.
2. Which CloudWatch feature allows you to visualize metrics over
time?
,A. CloudTrail Logs
B. AWS Config
C. CloudWatch Dashboards
D. AWS Shield
Rationale: CloudWatch Dashboards provide customizable graphical
views of metrics and logs, allowing users to visualize performance
data in real time or historically.
3. What is a CloudWatch metric?
A. A log file stored in S3
B. A time-ordered set of data points
C. A security policy rule
D. A virtual machine snapshot
Rationale: A CloudWatch metric is a set of time-ordered data points
that represent a specific variable, such as CPU utilization or disk I/O.
4. Which service is used to collect logs from EC2 instances?
A. AWS CloudTrail
B. Amazon CloudWatch Logs
,C. AWS KMS
D. Amazon Inspector
Rationale: CloudWatch Logs is used to monitor, store, and access log
files from EC2 instances, applications, and AWS services.
5. What does a CloudWatch alarm do?
A. Deletes unused resources
B. Encrypts data in transit
C. Watches metrics and triggers actions based on thresholds
D. Creates IAM users
Rationale: CloudWatch alarms monitor metrics and automatically
trigger actions like notifications or scaling when thresholds are
breached.
6. Which AWS service provides auditing of API calls?
A. CloudWatch Logs
B. AWS CloudTrail
C. AWS X-Ray
D. AWS Config
, Rationale: AWS CloudTrail records API calls made in an AWS account,
enabling governance, compliance, and auditing.
7. What is the default retention period for CloudWatch Logs?
A. 1 day
B. 7 days
C. Indefinite (never expire unless configured)
D. 30 days
Rationale: By default, CloudWatch Logs are stored indefinitely until a
retention policy is explicitly configured.
8. Which feature helps analyze application performance and trace
requests?
A. CloudWatch Metrics
B. AWS Trusted Advisor
C. AWS X-Ray
D. AWS Shield Advanced
Rationale: AWS X-Ray helps developers analyze and debug distributed
applications by tracing requests across services.
Questions With Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary purpose of Amazon CloudWatch?
A. Data encryption service
B. Monitoring and observability service for AWS resources
C. Content delivery network
D. Identity management service
Rationale: Amazon CloudWatch is designed to collect and track
metrics, logs, and events from AWS resources and applications. It
enables monitoring of system performance, detection of operational
changes, and setting alarms based on thresholds.
2. Which CloudWatch feature allows you to visualize metrics over
time?
,A. CloudTrail Logs
B. AWS Config
C. CloudWatch Dashboards
D. AWS Shield
Rationale: CloudWatch Dashboards provide customizable graphical
views of metrics and logs, allowing users to visualize performance
data in real time or historically.
3. What is a CloudWatch metric?
A. A log file stored in S3
B. A time-ordered set of data points
C. A security policy rule
D. A virtual machine snapshot
Rationale: A CloudWatch metric is a set of time-ordered data points
that represent a specific variable, such as CPU utilization or disk I/O.
4. Which service is used to collect logs from EC2 instances?
A. AWS CloudTrail
B. Amazon CloudWatch Logs
,C. AWS KMS
D. Amazon Inspector
Rationale: CloudWatch Logs is used to monitor, store, and access log
files from EC2 instances, applications, and AWS services.
5. What does a CloudWatch alarm do?
A. Deletes unused resources
B. Encrypts data in transit
C. Watches metrics and triggers actions based on thresholds
D. Creates IAM users
Rationale: CloudWatch alarms monitor metrics and automatically
trigger actions like notifications or scaling when thresholds are
breached.
6. Which AWS service provides auditing of API calls?
A. CloudWatch Logs
B. AWS CloudTrail
C. AWS X-Ray
D. AWS Config
, Rationale: AWS CloudTrail records API calls made in an AWS account,
enabling governance, compliance, and auditing.
7. What is the default retention period for CloudWatch Logs?
A. 1 day
B. 7 days
C. Indefinite (never expire unless configured)
D. 30 days
Rationale: By default, CloudWatch Logs are stored indefinitely until a
retention policy is explicitly configured.
8. Which feature helps analyze application performance and trace
requests?
A. CloudWatch Metrics
B. AWS Trusted Advisor
C. AWS X-Ray
D. AWS Shield Advanced
Rationale: AWS X-Ray helps developers analyze and debug distributed
applications by tracing requests across services.
