[Free] 2017(Apr) Ensurepass Passguide Cisco 400-051 Latest Dumps 161-170

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CCIE Collaboration Written Exam

QUESTION 161

Refer to the exhibit. Assume the B-ACD configuration on a Cisco IOS Cisco Unified Communications Manager Express router is operational. What will happen to a call in queue that was not answered by any member of the hunt group after the maximum amount of time allowed in the call queue expires?

 

clip_image001

 

A.

The call will be forwarded to extension 2120.

B.

The call will be forwarded to extension 2220.

C.

The call will be forwarded to extension 2003.

D.

The call will be disconnected with user busy.

E.

The call will be forwarded to 2100.

 

Correct Answer: B

Explanation:

As we can see in the configuration 2220 is configured as voice mail forwarding extension so the call will forward to voice mail.

 

QUESTION 162

Refer to the exhibit. Which option describes how this Cisco IOS SIP gateway, with an analog phone attached to its FXS port, handles an incoming informational SIP 180 response message with SDP?

 

clip_image002

 

A.

It will enable early media cut-through.

B.

It will generate local ring back.

C.

It will do nothing because the message is informational.

D.

It will terminate the call because this is an unsupported message format.

E.

It will take the FXS port offhook.

 

Correct Answer: B

 

QUESTION 163

Refer to the exhibit. IP phone 1 has the MAC address 11111.1111.1111, while IP phone 2 has the MAC address 2222.2222.2222. The first two incoming calls were answered by IP phone 1, while the third incoming call was answered by IP phone 2. What will happen to the fourth incoming call?

 

clip_image003

 

A.

Both phones will ring, but only IP phone 2 can answer the call.

B.

Both phones will ring and either phone can answer the call.

C.

Only IP phone 2 will ring and can answer the call.

D.

Neither phone will ring and the call will be forwarded to 2100.

E.

Neither phone will ring and the call will be forwarded to 2200.

 

Correct Answer: B

Explanation:

In shared line configuration phone share the same line so it is possible for any phone to answer the call.

 

 

 

QUESTION 164

Refer to the exhibit. The exhibit shows the Cisco IOS CLI output of debug ipdhcp packet, which was captured on a router that is located at a branch office where a single IP phone is located. There is a standalone Cisco Unified Communications Manager server at the central site, which also provides DHCP services to the IP phone at the branch office. You are troubleshooting a problem where the IP phone could not register to Cisco Unified Communications Manager. You have confirmed that the IP phone received an IP address in the correct subnet and with a correct subnet mask from the DHCP server. Assuming the IP phone is correctly defined on Unified CM, which two statements about the network components are true? (Choose two.)

 

clip_image005

 

A.

The MAC address of the IP phone is 01ec44761e3e.

B.

The IP address of the DHCP server is 10.101.15.1.

C.

The MAC address of the VLAN 101 interface is ec44761e3e7d.

D.

The IP address of the VLAN 101 interface is 10.101.15.1.

E.

There is IP connectivity between the VLAN 101 interface of the branch router and the ip- helper address that is configured on this interface.

F.

There is IP connectivity between the IP phone and the ip-helper address on the VLAN 101 interface.

 

Correct Answer: DE

Explanation:

As we can see from the logs given first line relate that dhcp request is being relayed. So it clarifies there must be ip helper address commend given by the admin on interface vlan 101. Now we can see from the second line that giaddress is set as source address of vlan 101 by the dhcp as 10.101.15.1 to unicast the dhcp request.

 

 

QUESTION 165

Refer to the exhibit. The exhibit shows the Cisco IOS CLI output of debug ipdhcp packet, which was captured on a router that is located at a branch office where a single IP phone is located. There is a standalone Cisco Unified Communications Manager server at the central site, which also provides DHCP services to the IP phone at the branch office. You are troubleshooting a problem where the IP phone received an IP address in the correct subnet and with a correct subnet mask from the DHCP server, but never completed registration with Cisco Unified CM. Assuming the IP phone is correctly defined on Unified CM, which two statements the network components are true? (Choose two.)

 

clip_image005[1]

 

A.

The MAC address of the IP phone is 01ec44761e3e7d.

B.

The IP address of the DHCP server is 10.101.15.1.

C.

The MAC address of the VLAN 101 interface is 01ec44761e3e7d.

D.

The MAC address of the IP phone is ec44761e3e7d.

E.

There is no IP connectivity between the VLAN 101 interface of the branch router and the ip-helper address that is configured on this interface.

F.

Based on the information provided, we cannot conclude if there is IP connectivity between the IP phone and Cisco Unified CM.

 

Correct Answer: DF

Explanation:

In the logs the only information that we get is about the mac address of the IP phone because the IP phone is raising the boot request.

 

 

QUESTION 166

Which two Cisco Unified Communications Manager Express hunt group mechanisms keep track of the number of hops in call delivery decisions? (Choose two.)

 

A.

sequential

B.

peer

C.

longest idle

D.

parallel

E.

overlay

F.

linear

 

Correct Answer: BC

Explanation:

Peer configures hunting in a circular manner among the hunt group member DNs and starts with the DN to the right of the last DN to ring.

Longest-idle specify hunting on the DN which is idle for a longest period of time and the call will go to that DN of the hunt Group.

 

Reference:

http://ccievoice.ksiazek.be/?p=690

 

 

QUESTION 167

Which Cisco IOS multipoint video conferencing profile is also known as best-effort video on the Cisco Integrated Router Generation 2 with packet voice and video digital signal processor 3?

 

A.

homogeneous

B.

guaranteed-audio

C.

rendezvous

D.

heterogeneous

E.

flex mode video

 

Correct Answer: B

Explanation:

Three types of video profiles are supported: homogeneous conferences (video switching), heterogeneous conferences (video mixing), and guaranteed audio conferences (best-effort video).

As the name suggests, when Guaranteed Audio Conferences is configured, the system attempts to display video for all participants; however, it does not guarantee that the video of all participants is displayed. For those participants whose video is not displayed, participants are downgraded to audio-only and the profile guarantees preservation of the audio portion of the call. This option gives you added flexibility because the DSPs are not all reserved when the profile is created; the system attempts to reserve them when this profile is activated with an actual conference. For example:

 

dspfarm profile 1 conference video guaranteed-audio

codec h264 vga

codec h264 4cif

 

Reference:

http://www.cisco.com/c/en/us/products/collateral/unified-communications/voice-video-conferencing-isr-routers/qa_c67-649850.html

 

 

QUESTION 168

Which type of mailbox on Cisco Unity Express can
play a user greeting and disconnect the call, but cannot take or send messages?

 

A.

PIN-less mailbox

B.

announcement-only mailbox

C.

general delivery mailbox

D.

call-handling mailbox

E.

personal mailbox

 

Correct Answer: B

Explanation:

Announcement-only mailbox is set for those users who only want the caller to listen the announcement and leave his message according to the announcement.

 

 

QUESTION 169

Which two responses from a SIP device, which is the only remote destination on a Cisco Unified Communications Manager SIP trunk with OPTIONS ping enabled, cause the trunk to be marked as “Out of Service”? (Choose two.)

 

A.

503 Service Unavailable

B.

408 Request Timeout

C.

505 Version Not Supported

D.

504 Server Timeout

E.

484 Address Incomplete

F.

404 Not Found

 

Correct Answer: AB

Explanation:

The remote peer may be marked as Out of Service if it fails to respond to OPTIONS, if it sends 503 or 408 responses, or if the Transport Control Protocol (TCP) connection cannot be established. If at least one IP address is available, the trunk is In Service; if all IP addresses are unavailable, the trunk is Out of Service.

 

Reference:

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/8_5_1/ccmcfg/bccm-851-cm/b06siprf.html

 

 

 

QUESTION 170

Refer to the exhibit. Which ds0-group option should you select to send automated number identification information on outbound calls for this digital T1 voice circuit?

 

clip_image007

 

A.

e&m-fgd

B.

e&m-fgd

C.

fgd-eana

D.

e&m-delay-dial

E.

fgd-os

 

Correct Answer: C

Explanation:

E&M signaling is often the preferred option for CAS because it avoids glare, it provides answer/disconnect supervision and it can receive Automatic Number Identification (ANI) with FGD and send ANI with FGD-EANA. In other words, you can have 1 channel-group for incoming calls and 1 channel-group for outgoing calls.

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