ANS-C01 Network Management and Operations Practice Question
A company uses AWS Direct Connect with a private VIF to connect to their VPC. They want to monitor the network latency between their on-premises router and the AWS Direct Connect location. Which AWS service should they use?
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
✓
AWS Direct Connect metrics in CloudWatch
AWS Direct Connect publishes metrics such as latency (round-trip time) and BGP session state to CloudWatch. These metrics can be used to monitor network latency between on-premises and the Direct Connect location. Option B is incorrect because AWS X-Ray is for tracing application requests, not network infrastructure latency. Option C is incorrect because VPC Flow Logs capture IP traffic metadata (e.g., sources, destinations, ports), not latency. Option D is incorrect because CloudWatch Synthetics monitors endpoint availability and response times via canaries, not Direct Connect link latency.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
AWS Direct Connect metrics in CloudWatch
Why this is correct
Direct Connect publishes metrics like latency to CloudWatch.
- ✗
AWS X-Ray
Why it's wrong here
X-Ray traces application-level requests, not network links.
- ✗
VPC Flow Logs
Why it's wrong here
VPC Flow Logs capture IP traffic information but not latency metrics.
- ✗
Amazon CloudWatch Synthetics
Why it's wrong here
Synthetics monitors endpoints, not Direct Connect connections.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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