300-075 question 52 discussion

answered

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.)

  • A. The Cisco EX60 default gateway of user is missing from the network configuration.
  • B. The NAT device is allowing only RTP/RTCP ports from the internal network to the DMZ.
  • C. The Cisco EX60 of user is not responding to requests coming from the TMS server.
  • D. The Cisco VCS Expressway is not responding to the SIP INVITE coming from the Cisco VCS Control.
  • E. The router does not have a route back from the DMZ to the internal network.
Created 9 months, 3 weeks ago by 12pints

12pints

the question is incomplete, because the desciption does not have all the user indications in it.

Meera

Ans is correct!

passinos

it sure isn't C.

raith5050

A - Phone would not be registered C - Call would not have stood up at all D - Call would not have stood up at all

nuinoa

To complete the question: User A can hear user В and vice versa. User A can hear user C, however user С cannot hear user A. User В can heat user C, however user С cannot hear user В. Answer should be B and E A - if Default Gateway is missing the call would not be established C- No need of a TMS to make the calls. D- The SIP call is established so call setup was completed good.

chlopchyk

A,E