Câu 13: 300-075: Implementing Cisco IP Telephony and Video Part 2 (CIPTV2)

Refer to the exhibit. An engineer receives a ticket to troubleshoot a one-way audio issue with these symptoms: ✑ User A can hear user and vice versa. ✑ User A can hear user C, however user cannot hear user A. ✑ User can heat user C, however user cannot hear user .Which two properties are the most likely reasons for this issue? (Choose two.)

1. A. The Cisco VCS Expressway is not responding to the SIP INVITE coming from the Cisco VCS Control.
2. B. The NAT device is allowing only RTP/RTCP ports from the DMZ to the internal network.
3. C. The router does not have a route back from the DMZ to the internal network. — đáp án hiện tại
4. D. The Cisco EX60 of user С is not responding to requests coming from the TMS server. — đáp án hiện tại
5. E. The Cisco EX60 default gateway of user С is missing from the network configuration.