Download New Latest (May) Cisco 642-427 Actual Tests 11-20

By | May 17, 2015

Ensurepass

 

QUESTION 11  (Topic 1)

 

Refer to Exhibits.

 

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When the remote destination of IP phone 3001 places an inbound PSTN call to extension 3002, the caller ID that is displayed on extension 3002 is 7700990255 of 3001. Which course of action can resolve this issue?

 

A.

Change the remote destination number to 7700l in the configuration.

B.

Change the service parameter matching Caller ID with remote Destination to Partial Match.

C.

Change the service parameter Number of Digits for caller ID partial Match to 12.

D.

Change the Privacy Setting from Default to Off.

 

Answer: B

 

 

QUESTION 12  (Topic 1)

 

Which three Cisco IOS commands are required to configure a voice gateway as a DHCP server to support a data subnet with the IP address of 101.30.0/24 default gateway of 10.1.30.1/24? (Choose three)

 

A.

ip dhcp pool

B.

subnet 10.1.30.1 255.255.255.0

C.

ip dhcp pool data

D.

network 10.1.30.1/24

E.

network 10.1.30.0 255.255.255.0

F.

default-gw 10.1.30.1.24

G.

default-router 10.1.30.1

 

Answer: CEG

Explanation:Explanation- Per question, CGE are required commands to configure a voice gateway.

Link-

http://www.cisco.com/en/US/docs/routers/access/vg202_vg204/software/vg2_vg4_voip_ps 2250_TSD_Products_Configuration_Guide_Chapter.html

 

 

QUESTION 13  (Topic 1)

 

Refer to the exhibit.

 

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The BR phones only support G.711 codec. When a call from HQ is placed to a BR phone, the call fails. The network administrator would like to use a hardware transcoder that is only reachable via the WAN from the HQ and BR sites. How should the transcoder region be configured?

 

A.

Configure G.711 codec from HQ to Xcode and G.711 from BR to Xcode

B.

Configure G.729 codec from HQ to Xcode and G.729 from BR to Xcode

C.

Configure G.711 codec from HQ to Xcode and G.729 from BR to Xcode

D.

Configure G.729 codec from HQ to Xcode and G.711 from BR to Xcode

 

Answer: D

Explanation: Explanation- Region configuration in diagram explains the statement D, G.729 codec from Hq and G.711 from B

 

 

QUESTION 14  (Topic 1)

 

Refer to the exhibit.

 

clip_image004

 

The output of the show call active voice command shows an ERL level of 25. Which statement about the ERL is true?

 

A.

The ERL level is the absolute sum of OutSignalLevel and InSignalLevel, which equals

30. The DSP has an error margin of 5 dB.

B.

ERL 25 shows how much echo cancellation has been performed by the echo canceller in the router.

C.

The ERL value of 25 is not valid and hence should be ignored; however, the echo canceller is being organized.

D.

The correct ERL could not be calculated by the echo canceller. The signal is being reflected with 0 dB loss.

 

Answer: D

 

 

QUESTION 15  (Topic 1)

 

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 advertising service

B.

SAF trunk, SAF security profile, Cisco SAF Forwarder, and CCD requesting service

C.

SAF trunk, SAF security profile, Cisco SAF Forwarder, CCD requesting service, and CCD advertising service

D.

SAF trunk, SAF security profile, and Cisco SAF Forwarder

E.

SAF trunk, CCD requesting service, and CCD advertising service

 

Answer: B

 

 

QUESTION 16  (Topic 1)

 

What do you do next if after observing the result of your troubleshooting, the problem still exists?

 

A.

Implement Acton Plan

B.

Define the Problem

C.

Consider the Possibilities

D.

Create Action Plan

E.

Gather Facts

F.

Observe Results

G.

Restart Problem-Solving

H.

Process Problem Resolved

 

Answer: C

Explanation:See CIPT I V 1 1-29. You will see that we continue to make in the process.

 

 

 

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QUESTION 17  (Topic 1)

 

Refer to the exhibit.

 

 

 

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Assume a centralized Cisco Unified Communications Manager topology with the headquarters at RTP and remote located at the U.

K.All route patterns are assigned a route list that contains a route group pointing to the local gateway. RTP route patterns use the RTP gateway, and U.

K.route patterns use the U.

K.gateway.

 

When a U.

K.user logs into an RTP phone using the Cisco Extension Mobility feature and places an emergency call to 0000, which statement about the emergency call is true?

 

A.

The call will match the U.K_Emergency route pattern partition and will egress at the RTP gateway.

B.

The call will match the U.K_Emergency route pattern partition and will egress at the U.K.

gateway.

C.

The call will match the RTP_Emergency route pattern partition and will egress at the RTP gateway.

D.

The call will match the RTP_Emergency route pattern partition and will egress at the U.

K.gateway.

E.

The call will fail.

 

Answer: B

 

 

QUESTION 18  (Topic 1)

 

Refer to the exhibit.

 

 

 

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clip_image009

 

clip_image010

 

 

 

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When an HQ caller places a call to extension 4001 the phone at BR2 rings. Alter the user at BR2 goes off hook, the call is disconnected. Examine the debug voice ccapi coice inout command output. What caused this issue?

 

A.

The BR2 router does not have a matching inbound dial peer.

B.

There is a codec mismatch between the source and destination. Codec negotiation failed

C.

The BR2 router is sending the call to dial-peer 20003 which is a POTS dial-peer.

D.

The destination phone is not registered.

 

Answer: B

Explanation: Explanation- Logs are clearly define the answer.

Link-

http://www.cisco.com/en/US/tech/tk1077/technologies_tech_note09186a0080094045.shtml #codecnegvalues

 

 

QUESTION 19  (Topic 1)

 

Which two statements indicate something that can cause an IP phone to fail roaming when

 

 

device mobility has been configured? (Choose two)

 

A.

Device Mobility Mode is set to Off in the Cisco Unified Communications Manager service parameters while the device mobility configuration on the phone is set to default.

B.

No device mobility groups have been configured.

C.

No locations have been configured and assigned to the device pools.

D.

No physical locations have been configured and assigned to the device pools.

E.

No device mobility-related information settings were configured under the device pools.

 

Answer: AD

 

 

QUESTION 20  (Topic 1)

 

Refer to the exhibit.

 

clip_image018

 

The exhibit shows the output of a successful RSVP call setup that uses G.729 codec. What should the minimum bandwidth configuration on interface serial 0/1/0.121 for the command ip rsvp bandwidth be?

 

A.

8 Kb/S

B.

16 Kb/S

C.

24 Kb/S

D.

32 Kb/S

E.

40 Kb/S

 

Answer: E

Explanation: Explanation-The call setup message indicate that Per this link it should be 24Kb/sbut RSVP Reservation adds 16k on top (which is not used really and released after the booking), so 24+16 = 40k

http://fengnet.com/book/voip/ch08lev1sec2.html

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