Category Archives: 642-427 Actual Tests (May)

Ensurepass  QUESTION 121  (Topic 2)   Refer to the exhibit. What is the TCP handle of this device? Select the best response.     A. SEP0002FD3BAB01 B. 1.100.7.173 C. 1,60,87 D. 10.1.120.149 E. 87   Answer: E Explanation: The Correct answer is 87 (the last number in the diagram).   Because the TCP handle represents a unique value that identifies a specific IP pone registered to this CM Server. With The TCP handle, you can follow every message sent Read more […]

Ensurepass  QUESTION 101  (Topic 2)   Three calls can successfully be made across a WAN link. When a fourth call is made, the quality of all four calls degrades. Which QoS mechanism can help avoid this problem?   A. CAC B. FRF.12 C. LFI D. LLQ E. priority queuing   Answer: A     QUESTION 102  (Topic 2)   Refer to the exhibit. You have received a trouble ticket stating that calls to international numbers are failing. To place an international Read more […]

Ensurepass  QUESTION 111  (Topic 2)   Refer to the exhibit. You have received a trouble ticket stating that calls to local PSTN numbers are failing. To place a call, Cisco Unified CallManager users dial the access code “9,” followed by seven digits. After entering the debug voice dialpeer command on the H.323 gateway, you have the user attempt the call again.         Based on the debug output, what is the most likely cause of this problem?   A. The call Read more […]

Ensurepass  QUESTION 91  (Topic 2)     How does the echo canceller interpret a signal when the ERL value is too low?   A. The echo canceller treats the signal as echo and applies the configured values. B. The echo canceller considers the signal returning to the gateway as comfort noise generated during periods of silence and does not act on it. C. The echo canceller will apply the maximum echo-cancel coverage time to the signal to determine if this is echo or voice. Read more […]

Ensurepass  QUESTION 81  (Topic 1)   Which voice translation rule will expand extensions that are in the 3000-3999 range to a 10-digit number?   A. /^…(… .$)/^1/ B. /3…//4085553/ C. /^3…(… .$)//4085551/ D. /^3…(… .$)//408555 E. /^3…$//408555&/   Answer: C Explanation:Link-       http://www.cisco.com/en/US/products/sw/voicesw/ps4625/products_tech_note09186a0080 816cac.shtml     QUESTION 82  (Topic 1)   Read more […]

Ensurepass  QUESTION 71  (Topic 1)   Refer to the exhibits.           MOH has been configured to run from flash at the BR1 site. The HQ phones and MOH server are placed in the Default region through the Default device pool. The BR1 phones are placed in the BR1 region through the BR1 device pool. The region configuration between Default and BR1 only permits G.729 codec.   When an IP phone user at the HQ site places a BR1 caller on hold, the BR1 caller Read more […]

Ensurepass  QUESTION 61  (Topic 1)   Which Cisco Unified Communications Manager troubleshooting tool can be used to look at detailed specific events, such as dial plan digit analysis, as they die happening?   A. traceroutes B. RTMT real-time trace C. Cisco Unified Communications Manager alerts D. Cisco Unified Dialed Number Analyzer E. RTMT performance log viewer F. syslog output   Answer: B     QUESTION 62  (Topic 1)   When a Cisco Read more […]

Ensurepass  QUESTION 51 DRAG DROP  (Topic 1)       Answer:   A.   B.   C.   D.     Answer:     QUESTION 52  (Topic 1)   What are the three acceptable values for one-way delay, jitter, and packet loss in a VoIP network? (Choose three)   A. 0-400 ms for delay B. 1 packet loss C. 20 ms for jitter D. 0-150 ms for delay E. 1 percent packet loss F. 30 ms for jitter   Answer: DEF Explanation:We Read more […]

Ensurepass  QUESTION 41  (Topic 1)   Which tool allows the administrator to analyze call routing in Cisco Unified Communications Manager without physically placing a call?   A. Cisco Unified Communications Manager Dialed Number Analyzer. B. Cisco IOS Gateway debug commands. C. Cisco Unified Communications Manager RTMT trace output. D. base configuration information for this user that specifies Class of Restriction, Partition and Calling Search Space information Read more […]

Ensurepass  QUESTION 31  (Topic 1)   Refer to Exhibit.         Assume that all learned SAF routes are placed in the SAF_Pt partition.   The 3XXXdirectory number pattern is being advertised by a remote cluster and is also being blocked by the local cluster that is shown in the exhibit. An IP Phone is attached to the local cluster and is configured with a CSS that contains the following partitions: SAF_Pt and internal_Pt in this order. When the IP phone places Read more […]