Implementing and Operating Cisco Collaboration Core Technologies (CLCOR) — Question 89

End users report bad video quality and voice choppiness on Cisco Collaboration endpoints. The engineer changed the device pool the users were in but did not correct the problem. Which action should be taken to troubleshoot this issue?

Answer options

• A. Restart the Cisco Location Bandwidth Manager service on the Cisco UCM publisher
• B. Check for duplex/speed mismatches between the network port settings of the system and network switch
• C. Use direct IP address calls between two endpoints to troubleshoot call quality issues
• D. Set the service parameter Use Video Bandwidth Pool for Immersive Video Calls to ג€falseג€

Correct answer: B

Explanation

The correct answer, B, is essential because duplex and speed mismatches can lead to significant communication issues, affecting video and voice quality. Options A and D do not directly address the fundamental network issues that could cause the reported symptoms. Option C may help in troubleshooting but does not resolve the underlying network configuration problems.