CLOUD DEPLOYMENT AND OPERATIONS - D341 - WGU UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

CLOUD DEPLOYMENT AND OPERATIONS - D341 - WGU
UPDATED ACTUAL QUESTIONS AND CORRECT
ANSWERS

Question:
1. Which system resource requires using a custom metric for CloudWatch monitoring?
Answer:
Memory Usage

Question:
2. An administrator needs to set up an Amazon Cloud- Watch alarm in response to high memory utilization
by a web server running on an EC2 instance.
What must be done as part of setting up an alarm?
Answer:
Create a custom metric

Question:
3. An administrator needs to create an Amazon Cloud- Watch 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?
Answer:
ERROR Critical

Question:
4. An engineer needs to count the number of messages containing the term ERROR.
Which CloudWatch feature should be used?
Answer:
Metric Filter

Question:
5. Which CloudWatch feature supports on-premise system-level metrics?
Answer:
Custom dashboards

Question:
6. Which reporting frequency do CloudWatch dashboards use with detailed instance monitoring?
Answer:
60 seconds

Question:
7. A company deployed an application using eight 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 alarms?

, Answer:
CloudWatch

Question:
8. Which CloudWatch feature is used to detect state changes in an AWS environment?
Answer:
Events

Question:
9. Which expression should be used to trigger a Lambda function from a CloudWatch EventBridge event
at 8:00
a.m. on weekdays?
Answer:
Cron(0 8 * * MON-FRI *)

Question:
10. Which service works with Lambda to trigger corrective action if the health of an AWS service is
failing?
Answer:
EventBridge

Question:
11. How does EventBridge provide a direct message to subscribers in response to a status change in an
instance's health?
Answer:
By sending an SNS notification

Question:
12. What does EventBridge create to route events to targets?
Answer:
Rules

Question:
13. An administrator needs to configure an existing Amazon Aurora instance as a data store for EC2
instances in us-east-1. The solution has the following requirements:
The latency of write operations should be minimized. The impact of reporting workloads on write
operations should be minimized. The lag of data used for reporting workloads should be minimized.
Which solution should be implemented?
Answer:
Create a read replica in the same subnet.

Question:
14. An administrator needs to configure an existing Amazon Aurora deployment as a data store for EC2
instances located in us-east-1. The solution must meet the following requirements:
Data will remain accessible following a single data center failure. The impact of read-only workloads on
write workloads will be reduced. The latency of read operations will be minimized.
What should be created?