WGU - D341 QUESTIONS AND ANSWERS
Which systems resource requires using a custom metric for CloudWatch Monitoring?
A. CPU Utilization
B. Network inbound
C. Disk Writes
D. Memory Usage - Answers- 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 - Answers- 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 - Answers- ERROR Critical
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 - Answers- CloudWatch
Which CloudWatch feature is used to detect state changes in an AWS environment?
A. Targets
B. Metrics
C. Events
, D. Rules - Answers- 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*) - Answers- 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 - Answers- 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 - Answers- By sending an SNS notification
What does EventBridge create to route events to targets?
A. Rules
B. Logs
C. API
D. Service - Answers- Rules
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 - Answers- Metric filter
Which CloudWatch feature supports on-premises system-level metrics?
A. Automatic dashboards
Which systems resource requires using a custom metric for CloudWatch Monitoring?
A. CPU Utilization
B. Network inbound
C. Disk Writes
D. Memory Usage - Answers- 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 - Answers- 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 - Answers- ERROR Critical
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 - Answers- CloudWatch
Which CloudWatch feature is used to detect state changes in an AWS environment?
A. Targets
B. Metrics
C. Events
, D. Rules - Answers- 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*) - Answers- 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 - Answers- 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 - Answers- By sending an SNS notification
What does EventBridge create to route events to targets?
A. Rules
B. Logs
C. API
D. Service - Answers- Rules
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 - Answers- Metric filter
Which CloudWatch feature supports on-premises system-level metrics?
A. Automatic dashboards
