Certification Exam Prep Questions For
(300-080) Troubleshooting Cisco IP Telephony and Video (CTCOLLAB)

Name: Practice Exam - Troubleshooting Cisco IP Telephony and Video
SKU: Practice Exam - Troubleshooting Cisco IP Telephony and Video
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QuickStart is now offering assessment questions for Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) (300-080). Whether you are deciding which exam to sign up for, or simply want to practice the materials necessary to complete certification for this course, we have provided a practice assessment to better aid in certification. 100% of the questions are real questions; from a recent version of the test you will take for Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) (300-080).

The IP phone is connected using a Cisco Catalyst 3750 Series Switch but it fails to register the subscriber as a backup server, When the phone’s settings button is pressed by the user, the publisher is showed as registered by the Cisco Uniﬁed Communications Manager.

Why might this issue be caused?

A. The right device pool is not configured by the subscriber.: Incorrect.

B. The right Cisco Uniﬁed Communications Manager group is not present in the phone’s conﬁguration page.: Incorrect.

C. There is no configuration on the switch port for the subscriber’s ip-helper address command.: Incorrect.

D. The Cisco Uniﬁed Communications Manager group, applied through the device pool, is misconﬁgured.: Correct!

A Cisco IP G2 is configured by you as a SIP gateway which doesn’t show the fact that it has a Cisco UniﬁedCommunications Manager registration. Why might this issue be occurring?

A. The Cisco Uniﬁed Border Element session licensing is not present in the gateway.: Incorrect.

B. The SIP gateways is not supported by the Cisco Uniﬁed Communications Manager.: Incorrect.

C. If not configured properly, the Cisco Uniﬁed Communications Manager doesn’t show a SIP gateway as registered.: Incorrect.

D. The UC license is not installed by the gateway.: Incorrect.

E. The SIP gateway is never shown as registered, regardless of whether it is properly configured or not, by the Cisco Uniﬁed Communications Manager.: Correct!

What is the issue which can result in the MGCP gateway to fail registration with the Cisco Uniﬁed Communications Manager?

A. There is a misconﬁgured route group present in the Cisco Uniﬁed Communications Manager: Incorrect.

B. It is missing the conﬁguration command isdn bind-l3 ccm-manager under the ISDN interface: Incorrect.

C. There is an incorrect MGCP IP address speciﬁed in the gateway conﬁguration in Cisco Uniﬁed Communications Manager: Incorrect.

D. There is a mismatched domain name on the MGCP gateway and Cisco Uniﬁed Communications Manager gatewayconﬁguration: Correct!

Both theH.323 and the SIP endpoints are being configured by using the same Cisco VCS and URI settings. However, the endpoints are only registering as the H.323 endpoints. Why is this issue occurring?

A. All the traffic is being blocked from the endpoints to the Cisco VCS through a ﬁrewall.: Incorrect.

B. The endpoints are being blocked by the Cisco VCS due to a duplication of ID entries.: Incorrect.

C. No SIP domains are configured by the Cisco VCS.: Correct!

D. No SIP key option is installed by the endpoints.: Incorrect.

An H.323 Cisco TelePresence system is being registered by you to the Cisco Uniﬁed Communications Manager. Along with that, a Cisco DX7O system to the Cisco VCS Control is also being registered. Why are neither of the units being registered?

A. The H.323-based system needs to register to the Cisco VCS Control with an E.l64 number, and the Cisco DX7Oneeds the TFTP address to register on the Cisco Uniﬁed Communications Manager.: Correct!

B. The H.323-based system needs an E164 number to register to Cisco Uniﬁed Communications Manager, and theCisco DX7O needs to have the MAC address conﬁgured ﬁrst on the Cisco VCS Control.: Incorrect.

C. Both systems need to register to the Cisco Uniﬁed Communications Manager, as the Cisco VCS Control is used onlyfor ﬁrewall traversal.: Incorrect.

D. Both systems need to register to the Cisco VCS Control, but the H.323-based system needs to have the gatekeepersetting set to "Direct.": Incorrect.

In order for the base integrity to be maintained, what maximum round-trip delay is recommended between a number of Cisco VCS appliances in a cluster?

A. 15 ms: Incorrect.

B. 10 ms: Incorrect.

C. 30 ms: Correct!

D. 25 ms: Incorrect.

When there is a suspicion of a database replication issue, what are the three tools by which the replication status of the database can be checked? Choose three of the best answers.

A. Cisco Uniﬁed Communications Manager Serviceability interface: Incorrect.

B. Cisco Uniﬁed Communications Manager RTMT tool: Correct!

C. Cisco Uniﬁed Communications Manager CLI interface: Correct!

D. Cisco Uniﬁed Reporting: Correct!

What are the two tools for troubleshooting which would primarily be the best to make use of when troubleshooting the PSTN gateway side of acall routing issue while using Cisco Uniﬁed Communications Manager? Pick two of the best answers.

A. Cisco IOS debug commands: Correct!

B. RTMT trace output: Incorrect.

C. Dialed Number Analyzer output: Incorrect.

D. Cisco Uniﬁed Communications Manager alerts: Incorrect.

E. Cisco IOS show commands: Correct!

A third-party H.323 system is being integrated with the pre-existing Cisco Uniﬁed Communications Manager cluster. It is seen that the calls made from the cluster to the third party H.323 system fails when you create, from the cluster, an H.323 trunk. It is confirmed by the third-party H.323 device vendor that the H.323 call setup time has to be reduced.

What are the two approaches which will be able to reduce the setup time from Cisco Uniﬁed Communications Manager to the third-party H.323 device? Pick two of the best answers

A. Implementation of the transcoding with the Cisco Uniﬁed Communications Manager resources.: Incorrect.

B. Implementation of the transcoding with the router DSP resources.: Incorrect.

C. MTP hardware implementation.: Correct!

D. MTP software implementation.: Correct!

How can an intrasite call made within a Cisco Uniﬁed Communications Manager cluster fail?

A. The incorrect CSS is configured on the calling phone.: Correct!

B. The configure route partition of the CCD requesting service is not listed in the calling phone CSS.: Incorrect.

C. There is no configuration of the MGCP gateway.: Incorrect.

D. The pcalled directory number partition is not included in the trunk CSS.: Incorrect.

While most users are able to join a Video and Voice call when a Cisco TelePresence Server bridge configured conference call is made, it is seen that a remote endpoint dialing the call receives only audio. Why is this issue occurring?

A. A region is assigned to the endpoint when there is not enough bandwidth conﬁgured for video.: Correct!

B. The bridge partition in it’s CSS is not present in the endpoint.: Incorrect.

C. The multisite option is not installed by the endpoint.: Incorrect.

D. There are no remaining licenses in the bridge.: Incorrect.

A call is made between the Cisco TelePresence System EX90-A and EX90-B. When EX90-A dials a call to EX90-C, EX90-B is placed on hold. When the EX90-C and EX90-A are connected, the merge button, usually on the touch panel, is not present. What may be causing this?

A. The configuration for the conference is missing.: Incorrect.

B. The key for the conference option is missing.: Incorrect.

C. The configuration for the multisite is missing.: Incorrect.

D. The key for the multisite option is missing.: Correct!

What is the statement that will best indicate that something causes an inbound PSTN call to an H.323 gateway, configured in the Cisco Uniﬁed Communications Manager to fail to ring an IP phone?

A. The Cisco Uniﬁed Communications Manager doesn’t register the gateway.: Incorrect.

B. The ‘allow-connections h323 to h323’command present under the voice service voip conﬁguration is not present in the gateway.: Incorrect.

C. The gateway IP address of the Cisco Uniﬁed Communications Manager configuration fails to match the H.323 voip bind srcaddr command’s IP address configuration.: Correct!

D. There is no matching route pattern provided by the Cisco Uniﬁed Communications Manager which can match the number called.: Incorrect.

Some Cisco IP Phones users place a complaint that when calling PSTN users, they are unable to dial out of the headquarters while others are able to do it. What is the troubleshoot approach which is considered the most direct, in order to isolate the user’s failure source which are unable to dial out of the PSTN?

A. In order to generate actual calls to the PSTN, the DNA should be used.: Incorrect.

B. The DNA should be used in order to analyze the Cisco IP Phone’s dialing permissions.: Correct!

C. The RTMT should be used in order to generate actual calls to the PSTN.: Incorrect.

D. In order to analyze the Cisco IP Phone’s dialing permissions, the RMT should be used.: Incorrect.

An end user has presented you with a trouble ticket. The user words at a location being served by a Cisco Uniﬁed Communications Manager Express. He is not being able to call internationally. Choose two troubleshooting techniques that would resolve this issue.

A. Cisco IOS debug tools: Correct!

B. show output of the ephone and ephone-dn conﬁgurations: Incorrect.

C. Class of Restriction baseline conﬁguration for the user on Cisco Uniﬁed Communications Manager Express: Correct!

D. show output of the voice translation rules in the voice gateway: Incorrect.

What is the Cisco Uniﬁed Communications Manager troubleshooting tool used to determine the digit manipulation path taken by a call within the Cisco Uniﬁed Communications Manager system? Make sure that this is taken from a specific directory number’s perspective without using the actual device.

A. Cisco Uniﬁed Communications Manager Dialed Number Analyzer: Correct!

B. Cisco Uniﬁed Communications Manager Serviceability: Incorrect.

C. Cisco Uniﬁed Syslog Viewer: Incorrect.

D. Cisco Uniﬁed Communications Manager Real Time Monitoring Tool: Incorrect.

When making a business-to-business video call using the Cisco Expressway solution, it is seen that, while the internal endpoint is able to call out the remote endpoint on the Internet, the video or audio is not received. However, the video and audio is received by the remote endpoint. Why is this issue occurring?

A. The SIP signaling is being blocked by the ﬁrewall.: Incorrect.

B. A Rich Media Session license is not present in the Cisco Expressway.: Incorrect.

C. The inbound RTP ports is blocked by the ﬁrewall.: Correct!

D. The business-to-business calling is not configured by the Cisco Uniﬁed Communications Manager.: Incorrect.

Company 1 has a System A which places a call to System B available at Company 2. While the call may be complete, only video and audio is noticed to remain on System A from B. Choose three options which may be the cause of this.

A. The video and audio path from Company 1 to 2 has a firewall blocking it.: Correct!

B. Since System B is present at a different company, System A cannot place a call to it.: Incorrect.

C. The camera and microphone is turned off by System A.: Correct!

D. Outgoing traffic is being blocked by the ﬁrewall present at Company 1.: Incorrect.

E. The audio and video is being blocked by an access list present somewhere between the video and audio bath between Systems A and B.: Correct!

What is the tool used to allow the administrator to analyze the Cisco Uniﬁed Communications Manager’s call routing without placing the call first?

A. Cisco IOS Gateway debug commands: Incorrect.

B. Cisco Uniﬁed Communications Manager Dialed Number Analyzer: Correct!

C. base conﬁguration information for this user that speciﬁes Class of Restriction, Partition, and Calling Search Spaceinformation: Incorrect.

D. Cisco Uniﬁed Communications Manager RTMT trace output: Incorrect.

What are the two types of Cisco Uniﬁed Communications Manager trace ﬁles, where the Call Processing information is present, and is helpful in troubleshooting both inbound and outbound call issues? Pick two of the best answers.