Huawei h11-851 practice test

HCNA-VC (Huawei Certified Network Associate - Video Conference) Exam

Last exam update: Jul 16 ,2024
Page 1 out of 35. Viewing questions 1-15 out of 516

Question 1

The protocol that can implement media control is ()
A. H.225
B. H.239
C. H.245
D. H.281

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Answer:

C

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Question 2

Fully adapted MCU supports site access of any protocol, format, and bandwidth, each site
Can be accessed with maximum video capability. ()

  • A. TRUE
  • B. FALSE
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Answer:

A

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Question 3

What are the public and private network traversal methods of video systems? () Multi-select

  • A. Static NAT mode
  • B. H.460 mode
  • C. SIP mode
  • D. H.323ALG mode
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Answer:

A, B, D

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Question 4

During a point-to-point call under different GKs, LRQ routes prefixes to neighbors through GK
GK queries the information of the called node. ()

  • A. TRUE
  • B. FALSE
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Answer:

A

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Question 5

T1, T2, T3, T4 four-point conference using the 96XX series MCU, manual
After setting the site T1, T2 and T3 to form three screens, after the venue T1 is separated, the atomic
picture T1
The location will be ()
A. Replace with T4
B. remain unchanged
C. Black screen
D. Replace with T2

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Answer:

C

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Question 6

In scheduling a conference in the SMC, if the master MCU selects automatic, the SMC will
The conference is scheduled on the MCU in the service are
a. ()

  • A. TRUE
  • B. FALSE
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Answer:

A

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Question 7

Upgrade methods supported by TE HD terminals are available. () multiple choice

  • A. Local upgrade
  • B. U disk upgrade
  • C. SMC batch upgrade
  • D. Minimum system upgrade
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Answer:

A, C, D

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Question 8

Videoconferencing systems generally consist of terminals, MCUs, gateways, and management
platforms.
()

  • A. TRUE
  • B. FALSE
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Answer:

A

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Question 9

The hardware backup of the MCU is included. () multiple choice
A. Main control board
B. Business board
C. Power supply
D. Fan

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Answer:

A, B, C

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Question 10

After the signaling encryption is adopted, the video data packet of the conference is intercepted on
the network, and there is no secret.
The key cannot play the video data of the conference. ()

  • A. TRUE
  • B. FALSE
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Answer:

B

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Question 11

The TE terminal holds a 1080P 30fps conference, and at least how much bandwidth is needed ()

  • A. 512Kbps
  • B. 1Mbps
  • C. 1.5Mbps
  • D. 2Mbps
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Answer:

A

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Question 12

The TE HD terminal remote loopback includes. () multiple choice

  • A. Audio loopback
  • B. Double flow loopback
  • C. Video loopback
  • D. Digital loopback
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Answer:

ABC

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Question 13

The RAS signaling port is a UDP port. ()
A. TRUE
B. FALSE

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Answer:

A

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Question 14

TE40 video output port, can output GUI interface is () multiple selection

  • A. Video output 1
  • B. Video output 2
  • C. Video output 3
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Answer:

A, B, C

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Question 15

The board of the 96XX series MCU includes () multiple selection

  • A. GCCA
  • B. GCCB
  • C. ECCA
  • D. ISDN
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Answer:

C, D

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