Troubleshooting Cisco IP Telephony and Video (CTCOLLAB)

 

QUESTION 81

Which configuration can be dynamically set using the Cisco Unified Communications Manager Device Mobility feature?

 

A.

phone model and protocol

B.

SRST reference and directory number

C.

CSS and local gateway

D.

partition and CSS

E.

media resources and permanent bridges

 

Correct Answer: C

 

 

QUESTION 82

Which configuration is required on Cisco TelePresence Server, in order to support 1080p resolution?

 

A.

Screen licenses must be configured.

B.

Cisco TelePresence Server must be in remotely managed mode.

C.

Cisco TelePresence Server must be in HD mode.

D.

Cisco TelePresence Server must be configured with Cisco TelePresence Conductor.

E.

Cisco TelePresence Server must be in Full HD mode.

 

Correct Answer: E

 

 

QUESTION 83

A user is dialing an external PSTN number with a prefix of 01 from a Cisco TelePresence SX10 Quick Set in a Cisco VCS environment. In the past, the Cisco VCS and the ISDN gateway were correctly configured with a prefix of 01, but the calls are now failing. What are three possible causes? (Choose three.)

 

A.

The Cisco VCS Control is down.

B.

The interworking setting is turned off.

C.

The audio feature in the Cisco TelePresenceSX10 is turned off.

D.

The SIP trunk is not configured on the gateway.

E.

01 is not a valid prefix.

F.

ISDN is not enabled on the Cisco TelePresenceSX10.

G.

The Cisco TelePresenceSX10 is not registered to the Cisco VCS Control.

H.

The Cisco TelePresenceSX10 is not registered to the Cisco Express C.

Correct Answer: ABG

 

 

QUESTION 84

Endpoint A is registered to Cisco Unified Communications Manager as S1@company.com. It is trying to call Endpoint B, which is registered to the same company’s Cisco VCS Control with an H.323 ID of S2.internal@company.com. The route pattern is set to “*.*” and is pointed to a SIP trunk to the Cisco VCS Control. The search rule for (.*).internal@company.com is set to search the local zone. The call does not work. What is a possible reason?

 

A.

There is no search pattern to route the call to System B.

B.

There is no valid route pattern to route from System A to System B.

C.

System B is registered as H.323 and needs to use an E.164 alias number only.

D.

The Cisco VCS Control should be neighbor to the Cisco Unified Communications Manager.

E.

You need an MGCP gateway to route from the Cisco Unified Communications Manager to the Cisco VCS Control.

F.

The Cisco VCS Control is missing the Cisco Unified Communications Manager interop option.

G.

The Cisco VCS Control is missing the interworking option.

 

Correct Answer: G

 

 

QUESTION 85

Which set is likely to resolve an issue with one-way audio on an H.323 gateway?

 

A.

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B.

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C.

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D.

clip_image008

 

Correct Answer: B

 

 

QUESTION 86

Refer to the exhibit. A roaming device retains its home location device pool settings, even though all configuration settings are in place. What is causing this issue?

 

clip_image010

 

A.

The device mobility group settings are incorrect.

B.

The device mobility mode service parameter is set to Off.

C.

The device mobility mode service parameter is set to True.

D.

The device mobility information entry matches the device IP address.

Correct Answer: B

 

 

QUESTION 87

Which tool can you use to see SAF advertisements in Cisco Unified Communications Manager?

 

A.

Cisco Unified Real-Time Monitoring Tool

B.

show eigrp neighbors command

C.

debug eigrp commands

D.

Terminal Monitor

 

Correct Answer: A

 

 

QUESTION 88

URI dialing is enabled between two clusters with the default options. The engineer that set up the URI dialing verified that all was working properly. However, a user from one of the clusters cannot dial using URI to a user in the same cluster. What do you do to resolve this issue?

 

A.

Verify the password that is used by the authentication under Intercluster Lookup Service configuration.

B.

Find out if the URI address of the called user has a capital letter in the URI string.

C.

Verify that Intercluster Lookup Service is set up correctly.

D.

Verify USN Data Synchronization Status.

 

Correct Answer: B

 

 

QUESTION 89

When you troubleshoot call connection problems in an H.323 gateway, which command allows you to verify the allocation of DSPs?

 

A.

debug voip dialpeer

B.

debug voip h324

C.

debug voip ccapi inout

D.

debug vtsp session

E.

debug voip tsp

 

Correct Answer: D

 

 

QUESTION 90

You are troubleshooting media issues during SIP calls on a C-series collaboration endpoint that is running TC6.3 software. You are asked to recreate the problem and to provide a packet capture from the endpoint. Which four of the following are required to accurately perform a packet capture on a C-series endpoint? (Choose four.)

 

A.

Stop the capture by pressing the key combination Ctrl + C.

B.

Set up administrator access on the endpoint.

C.

Start the capture by entering the tcpdump command string and then start the call.

D.

Set up root access on the endpoint.

E.

Start the call, and then enter the tcpdump command string to begin the capture.

F.

On the endpoint, set the default transport to TLS.

G.

Set the default transport to TCP.

 

Correct Answer: ACDG

 

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