New Updated Cisco CCIE Voice 350-030 Real Exam Download 21-30

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QUESTION 21

Which three attributes correctly describe aspects of MGCP? (Choose three.)

 

A.      peer-to-peer

B.      Master/Slave

C.      call preservation on gateway failover from one Cisco Unified Communications Manager server to another

D.      communication with Cisco Unified Communications Manager handled via a proxy server

E.       centralized dial plan management

F.       intelligent endpoints

 

Answer: BCE

 

 

QUESTION 22

In a VoIP deployment, which two protocols satisfy the following three requirements? (Choose two.)

 

Requirement 1: the protocol has a mechanism for a centralized dial-plan

Requirement 2: the endpoints are considered to be unintelligent

Requirement 3: the protocol is text-based

 

A.      SIP

B.      H.323

C.      MGCP

D.      SCCP

Answer: CD

 

 

QUESTION 23

When implementing PRI backhaul for an MGCP gateway and Cisco Unified Communications Manager, the Q.921 data-link protocol is terminated on which device?

 

A.      Cisco Unified Communications Manager

B.      MGCP gateway

C.      signaling link terminal

D.      the IP end device, such as an IP phone

 

Answer: B

 

 

QUESTION 24

What occurs if the system clocks are not synchronized between the sender and receiver of an RTP stream?

 

A.      Packets can be placed in sequence but jitter cannot be compensated for.

B.      Packets cannot be reordered, because sequence and jitter cannot be compensated for.

C.      Jitter can be compensated for, but packets cannot be reordered if they arrive out of sequence.

D.      Packets may be reordered and jitter may be compensated for, because the timestamp is not related to the system time.

E.       When the RTP stream is opened, the sender and receiver synchronize their clocks before the stream commences so that packet sequencing and dejitter will function correctly.

 

Answer: D

 

 

QUESTION 25

On which gateway or gatekeeper is the IOS command call-rsvp-sync resv-timer 10 used to set the timer?

 

A.      originating VoIP gateway for completing RSVP reservation setups in 10 seconds

B.      originating and terminating VoIP gateway for completing RSVP reservation setups in 10 seconds

C.      terminating VoIP gateway for completing RSVP reservation setups in 10 seconds

D.      VoIP gatekeeper for completing RSVP reservation setups in 10 seconds

 

Answer: C

 

 

QUESTION 26

If the bandwidth total default 64 command is configured in a gatekeeper, then what is true of that gatekeeper?

 

A.      it will admit up to 64 calls, regardless of codec used

B.      it will not admit any calls because all calls initially account of 128 kb/s

C.      it will admit a minimum of four calls using the G.729 codec

D.      it will admit up to four calls using the G.729 codec

E.       it will admit a G.711 call in one direction only, since 64 is half of 128 kb/s

 

Answer: D

 

 

QUESTION 27

If enabled, the RSVP for LLQ feature will assign which two types of flows to the priority queue? (Choose two.)

 

A.      all RSVP bandwidth requests

B.      voice flows generated from Cisco IOS applications

C.      voice flows generated from third-party applications, such as Microsoft NetMeeting

D.      all traffic marked DSCP EF

E.       all traffic marked CoS 5

 

Answer: BC

 

 

QUESTION 28

Which of these features are supported in RSVP Support for LLQ? (Choose three.)

 

A.      LLQ Support on Tunnels

B.      Guaranteed Quality of Service

C.      Reserve resources for Low Latency and bandwidth guarantees

D.      LLQ on Frame Relay and ATM PVCs

E.       Controlled-Load Network Element Service

 

Answer: BCE

 

 

QUESTION 29

Users are complaining that the music on hold marketing files for this month are not being played when users are placed on hold. Which three of these do you need to verify? (Choose three.)

 

A.      the IP voice media streaming application has been stopped and restarted

B.      a new directory has been created for the new media files

C.      users have selected the correct MoH files for customer calls

D.      the new music files are in the correct format to be used with Cisco Unified Communications Manager

E.       the location of the new music files is what the MoH server expects

 

Answer: ADE

 

 

QUESTION 30

Which of these statements correctly describes the logic for selecting MoH servers and MoH audio streams?

 

A.      The audio stream and audio server used will be selected according to the configuration of the phone being placed on hold.

B.      The audio stream and audio server used will be selected according to the configuration of the phone which is being used to place a caller on hold.

C.      The audio stream will be selected according to the configuration of the phone which is being used to place a caller on hold, and the audio server used will be selected according to the configuration of the phone being placed on hold.

D.      The audio stream will be selected according to the configuration of the phone being placed on hold and the audio server used will be selected according to the configuration of the phone which is being used to place a caller on hold.

 

Answer: C

 

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