Implementing Cisco Collaboration Cloud and Edge Infrastructure (CLCEI) — Question 151

Which two scenarios need a proper DNS configuration on Expressway servers? (Choose two.)

Answer options

• A. Expressway servers verify the common name attribute in server certificates.
• B. Expressway servers route calls based on SIP URI.
• C. Admins avoid IP address configuration for neighbor zone peers.
• D. Expressway servers use NTP peer authentication for secure time updates.
• E. Admins download software updates from the Cisco website via WebUI.

Correct answer: B, C

Explanation

Correct DNS configuration is essential for routing calls based on SIP URI (B) and for avoiding the need to configure IP addresses for neighbor zone peers (C). The other options, while important, do not specifically require DNS settings to function properly.