Implementing Cisco IP Telephony and Video Part 2 (CIPTV2, legacy) — Question 39

Which two options should be used to create a secure traversal zone between the Expressway-C and Expressway-E? (Choose two.)

Answer options

• A. Expressway-C and Expressway-E must trust each other's server certificate.
• B. One Cisco Unified Communications traversal zone for H.323 and SIP connections.
• C. A separate pair of traversal zones must be configured if an H.323 connection is required and Interworking is disabled.
• D. Enable username and password authentication verification on Expressway-E.
• E. Create a set of username and password on each of the Expressway-C and Expressway-E to authenticate the neighboring peer.

Correct answer: A, C

Explanation

Option A is correct because mutual trust of server certificates is essential for secure communication between the two Expressway servers. Option C is also correct as it specifies the need for separate traversal zones when H.323 connections are needed without Interworking. The other options do not directly address the secure zone requirements as effectively as A and C do.