Prepare with Cisco 642-427 exam practice material, pass for sure
Updated: May 28, 2026
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Cisco Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) Sample Questions:
1. You are configuring the Call Control Discovery feature. You need to configure Hosted DN Group Configuration settings. What is the range of values that you can define in the PSTN Failover Strip Digits field?
A) 0-12
B) 0-20
C) 0-16
D) 0-18
E) 0-10
F) 0-14
2. Which tool or approach is the most effective to display detailed real-time output of CPU utilization of Cisco Unified Communications Manager servers for troubleshooting purposes?
A) RTMT
B) DNA
C) sniffer traces
D) creating trace files
3. Cisco Unified Communications Manager failed to register with the Cisco SAF Forwarder. Assuming that the Cisco IOS SAF Forwarder is configured correctly, which minimum configuration would be needed on Cisco Unified Communications Manager to test registration?
A) SAF trunk, SAF security profile, Cisco SAF Forwarder, and CCD requesting service
B) SAF trunk, SAF security profile, Cisco SAF Forwarder, CCD requesting service, and CCD advertising service
C) SAF trunk, SAF security profile, Cisco SAF Forwarder, and CCD advertising service
D) SAF trunk, SAF security profile, and Cisco SAF Forwarder
E) SAF trunk, CCD requesting service, and CCD advertising service
4. Nine users in a branch office frequently have audio conferences with each other and their clients who call in from the PSTN. They frequently report poor audio quality during conference calls. A 500 kb/s WAN link connects the branch office and headquarters, which hosts the Cisco Unified Communications Manager cluster.
Which troubleshooting solution most directly improves their audio quality during conference calls?
A) Enable software conferencing in headquarters internal to Cisco Unified CM.
B) Enable LLQ on the branch router and the headquarters router.
C) Enable hardware conferencing on the branch router and integrate with Cisco Unified CM.
D) Enable hardware conferencing on the headquarters router and integrate with Cisco Unified CM.
5. You want to resolve a Lightweight Directory Access Protocol (LDAP) synchronization issue. Which log file should you use in Cisco Unity Connection (CUC)?
A) diag_Tomcat_*.uc
B) diag_CuImapSvr_*.uc
C) diag_CuCmDbEventListener_*.uc
D) diag_CuCsMgr_*.uc
E) diag_MTA_*.uc
F) diag_CuNotifier_*.uc
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: C |
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