Troubleshooting Cisco IP Telephony and Video (CTCOLLAB)

 

QUESTION 11

Which of these reasons can cause intrasite calls within a Cisco Unified Communications Manager cluster to fail?

 

A.

The route partition that is configured in the CCD requesting service is not listed in the calling phone CSS.

B.

The trunk CSS does not include the partition for the called directory number.

C.

The MGCP gateway is not registered.

D.

The calling phone does not have the correct CSS configured.

E.

The calling phone does not have the correct partition configured.

 

Correct Answer: D

 

 

QUESTION 12

Refer to the exhibit. All phones are placed in the Internal_Pt partition. The CSS for all phones contains the partition Internal_Pt, and Vml.CSS contains the voicemail hunt pilot. When a call is placed from extension 2001 to 2002, which statement is true?

 

clip_image002

 

A.

Extension 2002 will ring.

B.

The call will be blocked.

C.

The call will be answered by voicemail.

D.

Extension 2002 will ring, and if the call is not answered, the call will match the translation pattern and then be blocked.

E.

Extension 2002 will ring, and if the call is not answered, the call will match the translation pattern and then be forwarded to voicemail.

 

Correct Answer: A

 

 

QUESTION 13

When a remote endpoint dials in to join a conference that is configured on a Cisco TelePresence Server bridge, the endpoint receives only audio. Other users can successfully join the call with Voice and Video. What is causing this issue?

 

A.

The endpoint does not have the multisite option installed.

B.

The endpoint does not have the partition of the bridge in its CSS.

C.

The bridge is out of all licenses.

D.

The endpoint is assigned a region without enough configured bandwidth for video.

E.

The bridge is not able to host video calls.

 

Correct Answer: D

 

 

QUESTION 14

Cisco TelePresence System EX90-A and EX90-B are in a call. EX90-A tries to call EX90-C. When the call is dialed, EX90-B is put on hold. EX90-A and EX90-C are connected, but there is no merge button on the touch panel. What is causing this issue?

 

A.

The multisite option key is missing.

B.

The multisite configuration is missing.

C.

The conference option key is missing.

D.

The conference configuration is missing.

E.

CiscoTelePresence systems cannot make multipoint calls without a Cisco TelePresence Server.

F.

The multipoint option key is missing.

 

Correct Answer: A

 

 

QUESTION 15

Which statement indicates something that can cause an inbound PSTN call to an H.323 gateway that is configured in Cisco Unified Communications Manager to fail to ring an IP phone?

 

A.

The gateway is not registered in Cisco Unified Communications Manager.

B.

The gateway IP address that is configured in Cisco Unified Communications Manager does not match the IP address that is configured at the gateway in the h323-gateway voip bind srcaddr command.

C.

The Cisco Unified Communications Manager does not have a matching route pattern to match the called number.

D.

The gateway is missing the command allow-connections h323 to h323 under the voice service voip configuration.

 

Correct Answer: B

 

 

QUESTION 16

Some users report that they cannot dial out from headquarters on their Cisco IP Phones to PSTN users, but others can. Which troubleshooting approach is the most direct to isolate the source of the failure of the users that cannot dial out to the PSTN?

 

A.

Use DNA to analyze the dialing permissions of the Cisco IP Phones.

B.

Use DNA to generate actual calls to the PSTN.

C.

Use RTMT to analyze the dialing permissions of the Cisco IP Phones.

D.

Use RTMT to generate actual calls to the PSTN.

 

Correct Answer: A

 

 

QUESTION 17

You have been presented with a trouble ticket from an end user who works at a remote location that is served by a Cisco Unified Communications Manager Express. The user reports being unable to place calls to international numbers, but all other calls work properly and other users at this location can place international calls. Which two troubleshooting techniques would be helpful in resolving this issue? (Choose two.)

 

A.

Cisco IOS debug tools

B.

Class of Restriction baseline configuration for the user on Cisco Unified Communications Manager Express

C.

show output of the ephone and ephone-dn configurations

D.

show output of the voice translation rules in the voice gateway

E.

show output for the T1 controller and voice port configuration in the voice gateway

 

Correct Answer: AB

 

 

QUESTION 18

Which Cisco Unified Communications Manager troubleshooting tool can be used to determine the digit manipulation path a call takes within the Cisco Unified Communications Manager system from the perspective of a specific directory number, without having the actual device at hand?

 

A.

Cisco Unified Communications Manager Serviceability

B.

Cisco Unified Communications Manager Dialed Number Analyzer

C.

Cisco Unified Communications Manager Real Time Monitoring Tool

D.

Cisco Unified Syslog Viewer

E.

Cisco IOS debugs

 

Correct Answer: B

 

 

QUESTION 19

During a business-to-business video call through the Cisco Expressway solution, the internal endpoint can call out to the remote endpoint on the Internet, but it does not receive audio or video. The remote endpoint receives both audio and video. What is causing the issue?

 

A.

The Cisco Expressway does not have a Rich Media Session license.

B.

The firewall is blocking SIP signaling.

C.

The Cisco Unified Communications Manager is not configured for business-to-business calling.

D.

The firewall is blocking inbound RTP ports.

E.

The Advanced Networking option is not installed on the Expressway Edge.

 

Correct Answer: D

 

 

QUESTION 20

System A at Company 1 is calling System B at Company 2. The call completes, but only audio and video are present on System A from System B. What are three possible causes? (Choose three.)

 

A.

System A cannot call System B because it is at a different company.

B.

There is a firewall in the path that is blocking audio and video traffic from Company 1 to Company 2.

C.

The firewall at Company 1 is blocking outgoing traffic.

D.

An access list is blocking video and audio somewhere in the video and audio path between System A and System B.

E.

System A has turned off the camera and the microphone.

 

Correct Answer: BDE

 

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