100-140 Question 218
Single answerA user is experiencing slow connectivity to a remote server. You decide to use the 'traceroute' (Linux/macOS) or 'tracert' (Windows) command to diagnose the issue. The output indicates that the packet reaches the destination server, but there are significant delays at one intermediate hop. What does this suggest, and what is the most likely action to take?
- A
The destination server is experiencing high latency; contact the server administrator.
- B
An intermediate router is congested or overloaded; escalate to the network team managing that router.
- C
The traceroute result is incorrect; rerun the command with a higher packet size.
- D
There is a DNS resolution issue causing delays; flush the DNS cache and retry.
Show answer and explanation
Correct answer: B
Explanation
Traceroute or tracert tracks the path packets take to reach a destination, displaying the response times for each hop. Significant delays at an intermediate hop suggest a potential issue with the router at that hop, such as congestion or resource constraints. Escalating the issue to the network team managing the router is the most effective way to address the problem.
- A. Incorrect.
This option is incorrect because the issue is not with the destination server. The traceroute output shows that the delay occurs at an intermediate hop, not at the final destination.
- B. Correct.
This is the correct answer. A significant delay at an intermediate hop usually indicates congestion or performance issues with that specific router. Escalating to the team managing the router is the most appropriate action.
- C. Incorrect.
This option is incorrect because while rerunning the command might provide additional insights, the issue here is a delay at a specific intermediate hop, not the accuracy of the traceroute output.
- D. Incorrect.
This option is incorrect because DNS resolution does not impact intermediate hops in a traceroute. The issue highlighted by the traceroute is related to network congestion, not DNS.