ANS-C01 Network Management and Operations Practice Question
A company is using AWS CloudWatch to monitor network metrics. They want to create a dashboard that shows the total number of bytes sent and received by all EC2 instances in a specific VPC. Which two metrics should they use? (Choose TWO.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
NetworkOut
The question asks for metrics that measure total bytes sent and received. AWS CloudWatch provides `NetworkIn` (bytes received) and `NetworkOut` (bytes sent) for EC2 instances. These are the only two metrics that directly measure bytes. The option `NetworkPacketsIn` and `NetworkPacketsOut` measure packets, not bytes, and `TotalNetworkBytes` is not a valid CloudWatch metric. Therefore, the correct answers are NetworkOut and NetworkIn.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
TotalNetworkBytes
Why it's wrong here
Not a CloudWatch metric.
- ✗
NetworkPacketsOut
Why it's wrong here
Counts packets, not bytes.
- ✓
NetworkOut
Why this is correct
Bytes sent.
- ✗
NetworkPacketsIn
Why it's wrong here
This counts packets, not bytes.
- ✓
NetworkIn
Why this is correct
Bytes received.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This ANS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the ANS-C01 exam.