Cisco 642-427

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Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:

1. Which codec complexity type will offer the greatest number of voice channels, provided that the complexity type is compatible with the particular codecs that are in use?

A) low complexity
B) high complexity
C) medium complexity
D) flex complexity

2. Refer to the exhibit.

When a Cisco IP Communicator phone roams from San Jose (SJ) to RTP, the Cisco IP Communicator physical location and the device mobility group change from SJ to RTP All route patterns are assigned a route list that points to the local route group All device pools are configured to use the local route group Which statement is true when the roaming phone places an AAR call?

A) Since globalized call routing is not configured, then the SJ gateway will be used in this case
B) The phone will use the AAR CSS that contains the SJ_PSTN partition. The call will egress at the RTP gateway.
C) The phone will use the AAR CSS that contains the RTP_PSTN partition The call will egress at the RTP gateway
D) The phone will use the AAR CSS that contains the RTP_PSTN partition. The call will egress at the SJ gateway
E) The phone will use the AAR CSS that contains the SJ_PSTN partition. The call will egress at the SJ gateway

3. You have placed all DNs in the Phones partition. During testing you discover that you cannot place calls between IP phones, but you can place calls to the PSTN and voice mail. What is one possible cause of this issue?

A) The IP phones have not been assigned a CSS.
B) An access list is blocking RTP streams in your voice VLAN.
C) A database replication issue is preventing calls between phones.
D) An access list is blocking SCCP packets in your voice VLAN.

4. Echo is always present to some extent in all voice networks. For echo to be a problem, which three conditions must exist? (Choose three.)

A) sufficient delay in echo return for echo to be perceived as annoying
B) an analog two-wire to four-wire hybrid operating below 600 ohm impedance
C) sufficient echo amplitude to be perceived as annoying
D) sufficient power from the talker's side to cause listener echo
E) analog leakage between analog Tx and Rx paths

5. You are trying to access the GUI of Cisco Unified Communications Manager. However, it displays a "not accessible" error. In Cisco Unified Serviceability, which two services should you check for and ensure are running on the Control Center - Network Services page? (Choose two.)

A) Cisco Trust Verification Service
B) Cisco Tomcat
C) System Application Agent
D) Cisco Certificate Expiry Monitor
E) Cisco CallManager
F) Cisco Tomcat Stats Servlet

Solutions: