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Exam Code : H11-861-ENU
Exam Name : HCNP-VC(Huawei Certified Network Professional Video Conference)
Vendor Name :
"HUAWEI"

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H11-861-ENU Dumps

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H11-861-ENU Actual Questions

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HUAWEI

H11-861-ENU

HCNP-VC(Huawei Certified Network Professional Video Conference)

https://killexams.com/pass4sure/exam-detail/H11-861-ENU

Question: 50

The MP can provide the following functions. () (Select 2 answers) A . Stream forwarding

B . Call

C . Rate adaptation

D . Conference control

Answer: AC

Question: 51

For FEC, When both parties establish a call and the packet loss in media stream exceeds 0.1% within 10s, the FEC function is enabled. FEC separates some bandwidth from the call bandwidth to transmit anti-dropping redundant stream. ( )

A . TRUE B . FALSE

Answer: A

Question: 52

Audio Enhancement Technologie-ANR is used to adjust the voice volume of a telephone call. () A . TRUE

B . FALSE

Answer: B

Question: 53

RFC2190 defines three formats for H.263 payload header: modes A, B, and C. Mode A is recommended and also the most common one. ()

A . TRUE B . FALSE

Answer: A

Question: 54

The three frame types in H.264 are (). A . A, Q, P

B . B, I, P

C . C, Q, B

D . T, C, B

Answer: B

Question: 55

After you define the open logical channel on a private network terminal inside a firewall, if (), the media streams can be transmitted in one direction only.

A . The firewall does not have the relevant port enabled.

B . The private IP address cannot be found for media stream transmission. C . The master and slave relationship cannot be determined.

D . Capability negotiation cannot be implemented.

Answer: A

Question: 56

NAT works at the (). A . Data link layer

B . Network layer

C . Application layer D . Transport layer

Answer: B

Question: 57

In RTCP packet, Sender report (SR) used for transmission and reception statistics from sending gateways. ( ) A . TRUE

B . FALSE

Answer: A

Question: 58

RFC 3550 defines () RTCP packet types to carry a variety of control information. A . 3

B . 4

C . 5

D . 6

Answer: B

Question: 59

MCU Video Firewall Mode has advantages, but it also has limitation, such as (). (Select 3 answers)

A . The MCU supports communication between only two networks. The communication among more than two networks, however, is not supported.

B . The GE0 port must register with a G

C . The GE1 port is used only for calls by number

D . The endpoint at the GE1 side does not support the SiteCall service.

E . Sites connected through GE1 ports does not support service switchovers.

Answer: ACD

Question: 60

Audio signals can be encoded in the following modes. () (Select 3 answers) A . Waveform coding

B . Forecast coding C . Parameter coding D . Hybrid coding

Answer: ACD

Question: 61

Which of the following is not a disadvantage of forward error correction. () A . Occupation of more bandwidth

B . Deterioration of video quality C . Delay

D . Aggravation of video jitter

Answer: D

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