Troubleshooting Cisco IP Telephony & Video v1.0 (300-080) Free Practice Test

Question 1

After you upgrade a Cisco Unified Communications Manager cluster, users are unable to log in to their phones. Which two actions must you take to correct the problem? (Choose two.)

A. Regenerate the Tomcat.pem certificate on the publisher only.

B. Restart the Tomcat services on all servers.

C. Reconfigure the Extension Mobility feature on the publisher and rebuild the publisher

D. Regenerate the Tomcat.pem certificate on the publisher and each subscriber server.

E. Reboot all servers in the cluster.

Correct Answer: B,D

Question 2

Phone A using G.729 is trying to call phone B that only supports G.711, and the phone rings, but the call drops as soon as it is answered. Which cause of the problem is most likely?

A. No conference bridge resource is configured in Cisco Unified CM.

B. No software or hardware transcoding resources are configured in Cisco Unified Communications Manager.

C. Mismatch is in the partition and CSS configuration.

D. No Media Termination Point resource partition is set up on Cisco Unified CM.

Correct Answer: B

Question 3

A user of Cisco Jabber for Windows reports that SIP calls to C series and MX series endpoints registered to Cisco Expressway are dropping after exactly 15 minutes. Which action can resolve the issue?

A. Change the SIP Session Expires Timer to 1800.

B. Change the SIP UDP/IX filter mode to on at the Expressway advanced zone settings.

C. Upgrade the Expressway series to support continuous calls.

D. Increase the bandwidth between Cisco Unified Communications Manager and the Expressway.

Correct Answer: A

Question 4

Refer to the exhibit.

An engineer configured CCD between a Cisco Unified Communications Manager (CUCM) cluster and Cisco Unified Communications Manager Express (CME). When the CUCM agents try to dial a CME extension on the range 7XXX, they receive a busy signal as soon as the 7 is dialed. What can be done to resolve this issue?

A. Set the CME subscribe callcontro

B. Set the CUCM Hosted DN Pattern PSTN Failover Strip Digits field to 1 instead of 0

C. Set the CME profile dn-block type

D. Set the CUCM CCD Requesting Service PSTN prefix to 9 instead of\+

Correct Answer: D

Question 5

Users report intermittent call failures. All calls must invoke an IOS-based transcoder, registered to Cisco Unified Communications Manager, to be successful. Which two commands can be used to rule out issues with the transcoder? (Choose two.)

A. show version

B. debug sccp messages

C. debug ccsip message

D. debug voip ccapi inout

E. show dspfarm profile

Correct Answer: C,D

Question 6

When identifying Cisco TelePresence Endpoint traffic characteristics, which three statements are true?
(Choose three.)

A. Latency and jitter are measured at a packet level, based on RTP header sequence numbers and time stamps.

B. Jitter is measured at a packet level, by measuring the arrival time of the packet versus the expected arrival time.

C. Jitter is measured at a video frame level, by measuring the arrival time of the video frame versus the expected arrival time.

D. Latency and loss are measured at a packet level, based on RTP header sequence numbers and time stamps.

E. Latency, jitter, and loss are measured in a round-trip fashion.

F. Latency, jitter, and loss are measured unidirectionally.

Correct Answer: C,D,F

Question 7

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

B. Verify that Intercluster Lookup Service is set up correctly.

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

D. Verify USN Data Synchronization Status.

Correct Answer: A

Question 8

When MTP is running in software on Cisco Unified Communication Manager, how many MTP session does the resource support?

A. 68

B. 48

C. 38

D. 58

Correct Answer: B

Question 9

Refer to the exhibit.

When Phone A makes a call to Phone C, this message is observed Cause i = 0x80C1 - Bearer capability not implemented.
How do you resolve this error?

A. Reset Phone A

B. Open a Cisco TAC case

C. Set the bearer capability on the gateway to match the provider capability

D. Migrate Phone A from SCCP to SIP

Correct Answer: C

Question 10

A system administrator observes that settings on an endpoint revert to unknown values every day, without the administrator's knowledge.
What are two likely causes of this issue? (Choose two.)

A. The external server periodically restores the configuration on the endpoint.

B. The endpoint can be set periodically revert to a specific configuration.

C. The TMS reverts the configuration backup of the endpoint.

D. A persistent template is applied for the endpoint on the TMS.

E. Persistent settings on the endpoint are causing the issue.

Correct Answer: C,E

Question 11

Which alarm is valid when troubleshooting the call control discover feature within Cisco Unified communications manager?

A. SCCPUnkownService

B. DuplicateLearnedPatten

C. SAFService timeout

D. SAForwardError

Correct Answer: D

Question 12

The CLI command utils dbreplication reset all was run on a cisco Unified Communications Manager However, replication failed to restart Which course of action should be taken to resolve this issue?

A. Restart the replication from the Cisco Unified communications Manager RTMT tool

B. Issue the CLI command utils dbreplication reset.

C. Issue the CLI command utils dbreplication clusterreset.

D. Issue the CLI command utils dbreplication runtimestate.

E. Issue the CLI command utils dbreplication clusterreset all.

Correct Answer: A

Question 13

An engineer is attempting to troubleshoot issues with SAF and wants to understand what patterns are being discovered from SAF. Where does the engineer find this information?

A. in RTMT under Reports > Learned Patterns

B. in Cisco Unified CM under Call Routing > Call Control Discovery > Advertising Service

C. in Cisco Unified CM under Call Routing > Route Plan Report

D. in RTMT Under Reports > Route Plan

Correct Answer: A

Question 14

Refer to the exhibit.

A new phone was installed and currently has issues registering with Cisco Unified Communications Manager.
The phone received its IP address via DHCP, with options 3 and 150.
Which two actions would enable the phone to download its configuration automatically? (Choose two.)

A. Change the VLAN that the phone is assigned to.

B. Change the phone URL parameters to IP addresses.

C. Provide DHCP option 15 to the phone via DHCP.

D. Manually assign the phone settings.

E. Reboot the phone.

F. Provide DHCP option 6 to the phone via DHCP.

Correct Answer: B,F

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Cisco Troubleshooting Cisco IP Telephony & Video v1.0 (300-080) Free Practice Test