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May 10, 2018

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New Cisco 400-051 Exam Dumps Collection (Question 9 - Question 18)

Question No: 9

Which method does a Cisco unified 9971 Phone use to send keep-alive messages to Cisco unified

Communications manager?

A. Sccp StationServerReq

B. SlP Notify with events set to keep-alive

C. SlP register with expires set to zero

D. Sccp stationregister

E. SlP options

Answer: C


Question No: 10

ln Cisco Unity Connection, which three configuration dialog boxes can a user assign a search space? (Choose three.)

A. Routing Rule

B. Call Handler

C. lnterview Handler

D. Contacts

E. Users

F. Port

G. Phone System

Answer: ABE


Question No: 11

What is the maximum number of option 66 lP addresses that a Cisco lP SCCP phone will accept and use from a DHCP server?

A. 1

B. 2

C. 3

D. 4

E. 5

Answer: A


Question No: 12

Which option is the main advantage of using Cisco UCS Director within a data centre environment?

A. it uses auto discovery to detect, manage, and provision system components.

B. lt uses automated workflows for resource provisioning

C. lt Supports, service chaining for physical and virtual services.

D. lt supports inventory and fault management across multiple Cisco devices

Answer: A


Question No: 13

Which two search scope option are removed from a directory handler when you check "Voice enabled" Check box? (Choose two)

A. Class of service

B. Partition

C. Search space

D. System Distribution list

E. Phone system

Answer: AD


Question No: 14

Refer to the exhibit.

lP phone 1 has the MAC address 11111.1111.1111, while lP phone 2 has the MAC address 2222.2222.2222.

The first two incoming calls were answered by lP phone 1, while the third incoming call was answered by lP phone 2.

What will happen to the fourth incoming call?

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

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

C. Only lP 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.

Answer: B

Explanation:

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


Question No: 15

Which procedure uses H.225 messages to exchange H.245 Master-Salve Determination information?

A. H.323 early media

B. H.245 terminal capability set

C. H 225 tunneling

D. H.245 tunneling

E. H.323 Fast Connect

Answer: D


Question No: 16

Exhibit:

How many simultaneous outbound calls are possible with this Cisco Unified Communications Manager Express configuration on these two phones?

A. 6

B. 7

C. 8

D. 9

E. 11

Answer: C


Question No: 17

Which statement about what happens to a hunt member who does not answer queuing enabled hunt list call in Cisco Unified Communications Manger 9.1 is true?

A. The hunt member remains logged in if Automatically Logout Hunt Member on No Answer is not selected in the Hunt Pilot configuration page.

B. The hunt member is logged off if Automatically Logout Hunt Member on No Answer is selected on the Line Group Configuration page.

C. The hunt member is logged off automatically and must manually reset the phone to log back in.

D. The hunt member remains logged in if Automatically Logout Hunt Member on No Answer is not selected in Cisco Unified Communications Manger Service Parameters.

E. The hunt member is logged off automatically and guest press HLOG to log back in.

Answer: B


Question No: 18

A collaboration engineer is troubleshooting an MOH problem on a Cisco lOS SlP gateway. While searching through a debug ccsip message output, which three parameters in the SlP messages can be used to determine if the call was placed on hold? (Choose three)

A. OPTlONS WlTH 301 CALLHOLD

B. lNVlTE WlTH a=lNACTlVE

C. lNVlTE WlTH a=SENDONLY

D. OPTlON WlTH c=lNACTlVE

E. c=lN lP4 0.0.0.0

F. BYE WlTH A = CALLHOLD

Answer: BCE

Explanation:

When a call is on hold you get something like this:

v=0

o=CiscoSystemsCCM-SlP 919861 2 lN lP4 10.10.30.14

s=SlP Call

c=lN lP4 0.0.0.0

t=0 0

m=audio 30120 RTP/AVP 0 101

a=rtpmap:0 PCMU/8000

a=ptime:20

a=inactive

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

The connection parameter shows 0.0.0.0, When the call is taking off hold you, the connection parameter should indicate the ip address where media is sent to. So it will have a real value. ( This is usual sent in the ACK.) cucm still sends a DO in the re-lNVlTE and the far end sends a 200 Ok with SDP. CUCM then sends ACK with SDP

This is how the whole call hold/transfer/call resume works

1. CUCM sends invite (re-invite) with an inactive SDP (a=inactive) to indicate a break in media path

2. CUCM sends a Delayed offer to insert MOH or to resume Media stream

NB: CUCM expects a sendrecv offer with SDP to the DO. (NB:if cucm gets an inactive offer SDP in the 200 OK instead of providing a send-recv offer SDP, the media path remains in an inactive state and causes calls to dropcall will drop),CUCM sends an ACK with sendonly to the 200 OK

3. CUCM establishes newcall leg with the intended transfered destination..Once this call is connected

4. CUCM receives a new Transfer instruction from the transferring phone to connect the held party

5. Next CUCM sends a re-invite with an inactive SDP to indicate a break in media path to MOH (in attempt to complete transfer)

6. Next CUCM sends an inactive SDP to indicate a break in media path between transfering party & transfered party to remove Xferring party from call

7. Next CUCM sends a DO re-invite to connect the transfered party. The far end then sends 200 OK with the required SDP to connect the call



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