WGU - D341 Exam UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
Which systems resource requires using a custom metric for CloudWatch Monitoring?
A. CPU Utilization
B. Network inbound
C. Disk Writes
D. Memory Usage - CORRECT ANSWER Memory Usage
An administrator needs to set up an Amazon CloudWatch alarm in response to high memory
utilization by a web server running on an EC2 instance.
What must be done as part of a setting up an alarm?
A. Create a custom metric
B. Configure a standard metric
C. Create a metric filter
D. Configure a metric filter for a log group - CORRECT ANSWER Create a custom metric
An administrator needs to create an Amazon CloudWatch alarm. The alarm should be triggered only
when log entries of a web server running on an EC2 instance contain both the "ERROR" and the
"Critical" strings.
Which filter should be used to define a custom metric that will trigger the alarm?
A. ERROR -Critical
B. ERROR ?Critical
C. ?ERROR ?Crtical
D. ERROR Critical - CORRECT ANSWER ERROR Critical
An engineer needs to count the number of messages containing the term ERROR.
,Which CloudWatch feature should be used?
A. Composite alarm
B. Lambda insights
C. Synthetics canary
D. Metric filter - CORRECT ANSWER Metric filter
Which CloudWatch feature supports on-premises system-level metrics?
A. Automatic dashboards
B. Custom dashboards
C. Event buses
D. X-Ray traces - CORRECT ANSWER Custom dashboards
Which reporting frequency do Cloudwatch dashboards use with detailed instance monitoring?
A. 15 seconds
B. 30 seconds
C. 60 seconds
D. 90 seconds - CORRECT ANSWER 60 seconds
A company deployed an application using either EC2 instances. It requires that an alarm be sent to its
systems administrators when any instance crashes.
Which AWS service should this company implement to generate the alarms?
A. CloudWatch
B. Simple Notification Service
C. CloudFront
D. Simple Queue Service - CORRECT ANSWER CloudWatch
, Which CloudWatch feature is used to detect state changes in an AWS environment?
A. Targets
B. Metrics
C. Events
D. Rules - CORRECT ANSWER Events
Which expression should be used to trigger a Lambda function from a CloudWatch EventBridge event
at 8:00 a.m. on weekdays?
A. Rate(1 day)
B. Rate(5 days)
C. Cron(0 8 * *MON-FRI*)
D. Cron(0 8 1 *MON-FRI*) - CORRECT ANSWER Cron(0 8 * *MON-FRI*)
Which service works with Lambda to trigger corrective action if the health of an AWS service is
failing?
A. CloudTrail
B. EventBridge
C. Trusted Advisor
D. Systems Manager - CORRECT ANSWER EventBridge
How does EventBridge provide a direct message to subscribers in response to a status change in an
instance's health?
A. By generating a log of incidents leading to a failure
B. By sending an SNS notification
C. By delivering a systems report
D. By triggering CloudWatch - CORRECT ANSWER By sending an SNS notification
QUESTIONS AND CORRECT ANSWERS
Which systems resource requires using a custom metric for CloudWatch Monitoring?
A. CPU Utilization
B. Network inbound
C. Disk Writes
D. Memory Usage - CORRECT ANSWER Memory Usage
An administrator needs to set up an Amazon CloudWatch alarm in response to high memory
utilization by a web server running on an EC2 instance.
What must be done as part of a setting up an alarm?
A. Create a custom metric
B. Configure a standard metric
C. Create a metric filter
D. Configure a metric filter for a log group - CORRECT ANSWER Create a custom metric
An administrator needs to create an Amazon CloudWatch alarm. The alarm should be triggered only
when log entries of a web server running on an EC2 instance contain both the "ERROR" and the
"Critical" strings.
Which filter should be used to define a custom metric that will trigger the alarm?
A. ERROR -Critical
B. ERROR ?Critical
C. ?ERROR ?Crtical
D. ERROR Critical - CORRECT ANSWER ERROR Critical
An engineer needs to count the number of messages containing the term ERROR.
,Which CloudWatch feature should be used?
A. Composite alarm
B. Lambda insights
C. Synthetics canary
D. Metric filter - CORRECT ANSWER Metric filter
Which CloudWatch feature supports on-premises system-level metrics?
A. Automatic dashboards
B. Custom dashboards
C. Event buses
D. X-Ray traces - CORRECT ANSWER Custom dashboards
Which reporting frequency do Cloudwatch dashboards use with detailed instance monitoring?
A. 15 seconds
B. 30 seconds
C. 60 seconds
D. 90 seconds - CORRECT ANSWER 60 seconds
A company deployed an application using either EC2 instances. It requires that an alarm be sent to its
systems administrators when any instance crashes.
Which AWS service should this company implement to generate the alarms?
A. CloudWatch
B. Simple Notification Service
C. CloudFront
D. Simple Queue Service - CORRECT ANSWER CloudWatch
, Which CloudWatch feature is used to detect state changes in an AWS environment?
A. Targets
B. Metrics
C. Events
D. Rules - CORRECT ANSWER Events
Which expression should be used to trigger a Lambda function from a CloudWatch EventBridge event
at 8:00 a.m. on weekdays?
A. Rate(1 day)
B. Rate(5 days)
C. Cron(0 8 * *MON-FRI*)
D. Cron(0 8 1 *MON-FRI*) - CORRECT ANSWER Cron(0 8 * *MON-FRI*)
Which service works with Lambda to trigger corrective action if the health of an AWS service is
failing?
A. CloudTrail
B. EventBridge
C. Trusted Advisor
D. Systems Manager - CORRECT ANSWER EventBridge
How does EventBridge provide a direct message to subscribers in response to a status change in an
instance's health?
A. By generating a log of incidents leading to a failure
B. By sending an SNS notification
C. By delivering a systems report
D. By triggering CloudWatch - CORRECT ANSWER By sending an SNS notification
