CompTIA
CV0-003 · Question #225
CV0-003 Question #225: Real Exam Question with Answer & Explanation
The correct answer is A: Router ARP tables. When troubleshooting cloud latency, checking router ARP tables first identifies Layer 2 resolution issues that can cause traffic to be forwarded to incorrect MAC addresses.
Troubleshooting
Question
A company is experiencing latency problems connecting to the cloud. Which of the following should an administrator check FIRST?
Options
- ARouter ARP tables
- BBroadcast traffic
- CBandwidth utilization
- DSubnetting
Explanation
When troubleshooting cloud latency, checking router ARP tables first identifies Layer 2 resolution issues that can cause traffic to be forwarded to incorrect MAC addresses.
Common mistakes.
- B. Excessive broadcast traffic primarily impacts local LAN performance and is not a typical root cause of latency on routed paths to cloud services.
- C. Bandwidth utilization is a relevant check but is a higher-level investigation performed after ruling out routing and Layer 2 forwarding issues.
- D. Incorrect subnetting typically causes a complete loss of connectivity rather than intermittent latency symptoms.
Concept tested. ARP table inspection for cloud latency troubleshooting
Reference. https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/arp
Topics
#network latency#ARP tables#cloud connectivity#troubleshooting methodology
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