New Updated Cisco CCIE Voice 350-030 Real Exam Download 271-280

Ensurepass

QUESTION 271

Which two of the following attributes would correctly describe H.323? (Choose 2)

 

A.      Peer-to-Peer

B.      Master/Slave

C.      Uses a Proxy Server to communicate with Cisco CallManager

D.      Centralized dial plan management

E.       Intelligent Endpoints

 

Answer: A

 

 

QUESTION 272

There are customer complaints about voice quality between IP Phones. What could be the potential problem? (Assume that all switchports are configured to trust DSCP and that the WAN link is less than 768 kbps).

 

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A.      It is NOT possible to configure multiple DSCP matches in one statement under ‘class-map’. So, the packets that are marked as DSCP=5 by IP phones are not going through priority queue. Instead, it is going through ‘default queue ‘. So, IP phone packets are getting delayed. Thus, it caused the voice quality problem.

B.      It is possible to configure only TWO DSCP matches in one statement under ‘class-map’. Due to this invalid config the packets that are marked as DSCP=5 by IP phones are not going through priority queue. Instead, it is going through ‘default queue ‘. So, IP phone packets are getting delayed. Thus, it caused the voice quality problem.

C.      It is possible to configure multiple DSCP matches in one statement under a given class-map. Since the “voice-qos” class is matching three different DSCP values, they are all being assigned to the same “priority” queue, where they are processed in a FIFO manner, which is causing excessive delays on the slow-speed WAN link.

D.      None of the above.

 

Answer: C

 

 

QUESTION 273

What is the primary difference between 2 byte cRTP packet and the 4 byte cRTP packet?

 

A.      The 4 byte cRTP packet contains an addtional field containing the full destination IP address.

B.      The 4 byte cRTP packet contains an additional field containing the full source IP address.

C.      The 4 byte cRTP packet contains a UDP Checksum.

D.      The 4 byte header has 2 bytes of padding in order to align the packet.

E.       The 4 byte header is used for RTP packets that have a larger payload (i.e 30 msec samples vs 10 msec samples).

 

Answer: C

 

 

QUESTION 274

Which one of the following type of SIP responses would indicate that a server encountered an error in attempting to complete a SIP request?

 

A.      1xx

B.      3xx

C.      4xx

D.      5xx

E.       6xx

 

Answer: D

 

 

QUESTION 275

You are a network administrator at EnsurePass. Your newly appointed EnsurePass trainee wants to know what the term “MGCP backhaul” means. What will your reply be?

 

A.      Transporting T1 CAS messaging to the MGCP Call Agent across IP.

B.      Transporting ISDN Q.931 messaging to the MGCP Call Agent across IP.

C.      Transporting ISDN Q.921 messaging to the MGCP Call Agent across IP.

D.      Transporting ISDN Q.931 messaging into MGCP events to the MGCP Call Agent.

 

Answer: B

 

 

QUESTION 276

On which of the following does the maximum device weight capacity a Cisco MCS server depend? (Choose three.)

 

A.      The quantity and the type of phones configured on the Cisco MCS server.

B.      CCM software release version.

C.      The amount of memory, CPU and I/O throughput.

D.      The server model and type.

 

Answer: BCD

 

 

QUESTION 277

Migrating form TDM voice requirements to VoIP usually does not cause migration issues for customers who expect to be:

 

A.      Deploying in a Green-Field scenario.

B.      Fully IP in 1 to 3 years.

C.      Fully IP within 12 months.

D.      All of the above.

 

Answer: A

 

 

QUESTION 278

Your newly appointed EnsurePass trainee wants to know what type of signaling can provide automatic Number Identifications (ANI) on a T1/E1 line. What will your reply be? (Choose two.)

 

A.      E&M-fgd

B.      Loop Start

C.      PRI

D.      E&M-fgb

 

Answer: AC

 

 

QUESTION 279

You are contracted as a network administrator for a small company, EnsurePass Inc. Your newly appointed EnsurePass trainee wants to know What settings have to be in place in order to pass hook-flash on h.323 from FXS to FXO. What will your reply be?

 

A.      connection trunk must be configured on the voice-port (FXS) and (FXO)

B.      connection plar must be configured on the voice-port (FXS)

C.      connection trunk must be configured on the voice-port (FXS) and (FXO)

D.      connection plar must be configured on the voice-port (FXS) and (FXO)

 

Answer: D

 

 

QUESTION 280

You are a network administrator at EnsurePass. EnsurePass has a Cisco voice gateway that will be connected to a PBX/PSTN-switch via ISDN (PRI, QSIG, BRI). Which attributes of the PBX/PSTN-switch must you know to understand which features to configure on the voice GW in order to connect successfully to the PBX/PSTN-switch? (Choose two.)

 

A.      Whether Q.921 or Q.931 is supported by the PBX/PSTN-switch.

B.      Whether H.225 or H.323 is supported by the PBX/PSTN-switch.

C.      Whether the network or users side is supported by the PBX/PSTN-switch.

D.      What PRI/BRI switch-type is supported by the PBX/PSTN-switch.

 

Answer: CD

 

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