[Dec-2017-New]Full Version 400-051 Exam Dumps 542Q for Free Download[Q217-Q227]

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QUESTION 217
Refer to the exhibit. This output was captured on a Cisco IOS gateway shortly after it became the active Cisco Unified Border Element in a box-to-box redundancy failover.
How many calls are native to this Cisco Unified Border Element?

A. 9
B. 12
C. 19
D. 31
E. 40

Answer: D

QUESTION 218
Which method allows administrators to determine the best match impedance on analog voice ports in Cisco IOS router without having to shut and no shut the ports?

A. THL tone sweep
B. original tone sweep
C. ECAN test
D. inject-tone local sweep
E. remote loop

Answer: A

QUESTION 219
Which two types of line codes are configurable for an E1 PRI controller on a Cisco IOS router? (Choose two.)

A. CRC4
B. AMI
C. B8ZS
D. HDB3
E. ESF
F. SF

Answer: BD

QUESTION 220
In Channel Associated Signaling on a T1 circuit using Extended Super Frame, how many signaling bits does each T1 timeslot have?

A. 1
B. 2
C. 4
D. 12
E. 24

Answer: C

QUESTION 221
Refer to the exhibit. Which ds0-group option should you select to support automated number identification information collection on inbound calls for this digital T1 voice circuit?

A. e&m-wink-start
B. e&m-delay-dial
C. e&m-delay-dial
D. e&m-lmr
E. e&m-fgd

Answer: E

QUESTION 222
In Cisco IOS routers, which chipset is the PVDM2-32 DSP hardware based on?

A. C5441
B. C549
C. C5510
D. C5421
E. Broadcom 1500

Answer: C

QUESTION 223
Which two analog telephony signaling methods are most vulnerable to glare conditions? (Choose two.)

A. FXS Loop-start
B. FXO Ground-start
C. E&M Wink-start
D. E&M Delay-dial
E. E&M Immediate-start
F. E&M Feature Group D

Answer: AE

QUESTION 224
Which digital modulation method is used to transmit caller ID information on analog FXS ports on Cisco IOS routers?

A. DTMF
B. PSK
C. FSK
D. MF
E. pulse dialing

Answer: C

QUESTION 225
How many signaling bits are there in each T1 time slot using channel associated signaling with Super Frame?

A. 1
B. 2
C. 4
D. 8
E. 12

Answer: B

QUESTION 226
What is the maximum one-way delay, in milliseconds, between any two Cisco Unified Communications Manager servers in a non-Session Management Edition cluster over an IP WAN?

A. 20
B. 40
C. 80
D. 160
E. 250

Answer: B

QUESTION 227
Which design restriction applies to Cisco Unified Communications Manager Session Management Edition clustering over the WAN deployment with extended round-trip times in Cisco Unified CM 9.1 and later releases?

A. SIP and H.323 intercluster trunks are supported.
B. Only SIP trunk is supported.
C. SIP trunks and H.323 gateways are supported.
D. A minimum of 1.544 Mb/s bandwidth is required for all traffic between any two nodes in the cluster.
E. Only RSVP agents can be configured and registered to the SME cluster as media resources.

Answer: B

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