Download New Latest (May) Cisco 642-427 Actual Tests 51-60

Ensurepass

 

QUESTION 51

DRAG DROP  (Topic 1)

 

 

 

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Answer:

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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 think the answer is:0-150 ms for delay1 percent packet loss30 ms for jitter See TVOICE V I 6-165

 

 

QUESTION 53  (Topic 1)

 

Refer to the exhibit.

 

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Which configuration is the correct Cisco IOS configuration that corresponds to the Cisco SAF Forwarder that is shown in the exhibit?

 

 

 

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A.

Exhibit A

B.

Exhibit B

C.

Exhibit C

D.

Exhibit D

 

Answer: A

 

 

QUESTION 54  (Topic 1)

 

Refer to the exhibits.

 

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The gateway CSS for inbound calls is configured using internal. CSS, which contains all the directory number partitions for the phones. When a PSTN call that is destined for extension 2001 arrives at the MGCP gateway, the call falls. Use the debug and configuration information in the exhibits to determine what might be causing this issue?

 

 

 

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A.

The MGCP gateway L3 timers need to be increased.

B.

The backhaul link is not open.

C.

The gateway is using partial PRI, which is not supported in MGCP mode.

D.

Incoming dial-peer configuration is needed.

E.

The hostname for the gateway does not match the configuration in Cisco Unified Communications Manager.

 

Answer: A

Explanation: Explanation:

On the picture ,,show ccm-manager” you can recognize that the backhaul link is not open. You can also see that the ,,isdn bind-l3 ccm-manager” is missing on controller. That is the cause of issue. The answer should therefore be “The MGCP gateway L3 timers need to be increased”?http://www.cisco.com/en/US/tech/tk1077/technologies_configuration_example0 9186a00801ad22f.shtml–

 

 

QUESTION 55  (Topic 1)

 

Which three types of information are included in an alarm? (Choose three)

 

A.

explanation of event and recommended action

B.

application type, machine location, and cluster location

C.

an ordered list of locations to which an alarm was sent

D.

application name, machine name, and cluster name

E.

user-defined text that can be custom-defined

F.

the list of alarms and alarm levels for each location to which the alarm is sent

 

Answer: ADE

 

 

QUESTION 56  (Topic 1)

 

Refer to the exhibit.

 

 

 

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When Alice, at extension 2001, places a call to Bob, at extension 3001, Alice hears her own voice reflected. Which type of echo is this classified as?

 

A.

talker echo

B.

listener echo

C.

tail circuit echo

D.

front-end circuit echo

 

Answer: A

 

 

QUESTION 57  (Topic 1)

 

You have been presented with a trouble ticket from an end user who works at a remote location that is served by a Cisco Unified Communications Manager Express. The user reports being unable to place calls to international numbers, but all other calls work properly and other users at this location can place international calls. Which two troubleshooting techniques would be helpful in resolving this issue? (Choose Two)

 

A.

Cisco IOS debug tools

B.

Class of Restriction baseline configuration for the user on Cisco Unified CommunicationsManager Express

C.

show output of the ephone and ephone -dn configurations.

D.

show output of the voice translation rules in the voice gateway

E.

show output for the T1 controller and voice port configuration in the voice gateway.

 

Answer: AB

 

 

QUESTION 58  (Topic 1)

 

Which QoS methodology combines strict priority queuing with class-based weighted fair queuing?

 

A.

IP RTP Priority

B.

Multilink

C.

IP Frame Relay RTP Priority

D.

RSVP

E.

LLQ

 

Answer: E

Explanation: Link-

http://www.cisco.com/en/US/tech/tk543/tk544/tk399/tsd_technology_support_sub- protocol_home.html

 

 

QUESTION 59  (Topic 1)

 

Refer to the exhibit.

 

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Assume a centralized Cisco Unified Communications Manager topology. From the output of the show policy-map interface command, it can be seen that the voice traffic is experiencing drops. The router is configured for low latency queuing and is located at the central site. Which course of action would rectify this issue?

 

A.

Configure a higher rate bandwidth codec on all voice calls

B.

Configure Call Admission Control to limit the maximum calls that are sent to the priority queue.

C.

Place the signaling traffic in the priority queue.

D.

split some of the excess voice traffic into other queues K avoid oversubscription of the priority queue.

 

Answer: B

Explanation: Link-http://www.iphelp.ru/faq/27/ch07lev1sec3.html

 

 

QUESTION 60  (Topic 1)

 

Refer to the topology exhibit.

 

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When the Cisco Unified Communications Manager at the BR1 site loses connectivity to the SAF network, the call to extension 3001 fails to reroute via the PSTN. Examine the SDI trace in the exhibit. What is the most likely cause of the failure?

 

 

 

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A.

The full E.164 number for extension 3001 could not be constructed.

B.

The Cisco Unified Communications Manager at the HQ site was unable to determine the ToDlD number to extension 3001.

C.

The calling phone line CSS does not have access to the V route pattern.

D.

CCD requesting service does not have the correct partition configured for CCD learned

 

 

patterns

E.

The AAR CSS for the HQ phone does not have access to the \ route pattern.

 

Answer: E

Explanation: Explanation- Logs states that AAR CSS for HQ phone doesn’t have the access to the route pattern.

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