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Huawei H11-851_V3.0 HCIA-Video Conference V3.0 Exam Practice Test

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Total 544 questions

HCIA-Video Conference V3.0 Questions and Answers

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Question 1

TE Desktop supports master call sets to convene meetings. ()

Options:

A.

True

B.

False

Question 2

RAS is a set of signaling for interactions between ( ). Multi-select

Options:

A.

SC

B.

SMC

C.

Section

D.

Database

Question 3

Regarding the features of the IdeaHub family of products, is the following description correct? ( )

Options:

A.

Support a variety of application downloads

B.

Meetings with mobile phones, PCs, etc.

C.

are not supported Supports whiteboard functionality

D.

Supports 1080p30 video resolution

Question 4

McUs are registered with H.323 and need to make a request to Gk when calling a terminal using a number. ()

Options:

A.

True

B.

False

Question 5

During a point-to-point number call, the called terminal does not send a call request to GK until it receives setup signaling. ()

Options:

A.

True

B.

False

Question 6

When the TE terminal calls a call set, you can call the venue ID number and the venue IP address of the venue at the same time to convene a multipoint meeting.

Options:

A.

True

B.

False

Question 7

Regarding the operation of the Mic 500 , is the following description correct?

Options:

A.

Press and hold the button in the center of the Mic 500 disc for more than 10 seconds to turn the microphone on or off.

B.

When multiple Hic 500s are cascaded, press the key in the center of one of the Mic 500 discs and the other Mic 500s cascaded on or off at the same time.

C.

The microphone can be turned on or off via the remote control of the video conferencing terminal, Touch or Tob interface configuration.

D.

Before the video conferencing terminal is used with a single Mic 500, the HD-VI interface of the video conferencing terminal needs to be connected to the interface marked "IN" of the Mic 500.

Question 8

( ) Six main request messages that are not part of the SIP protocol.

Options:

A.

SETUP

B.

ACK

C.

CANCEL

D.

BYE

Question 9

By default, the SMC3.0 system supports three roles, namely ().

Options:

A.

Meeting Administrator

B.

Normal User

C.

System Administrator

D.

Meeting Organizer

Question 10

MCU is an AV processing and forwarding device based on the H.323 protocol, and its full name is Multi-Point Control Unit. ()

Options:

A.

True

B.

False

Question 11

() An entity that is defined by the H.323 Agreement.

Options:

A.

Terminal

B.

MCU (Multipoint Conference Control Unit)

C.

GK (Gatekeeper).

D.

Gateway

Question 12

The conference access number is the node number of the MCU after the H.323 protocol meets. ()

Options:

A.

True

B.

False

Question 13

RSE6500 supports hot-spot videos and their sorting, hot-spot videos will be scrolled in the homepage hot-spot area, highlighting key and highlight videos, convenient for users to quickly view.

Options:

A.

True

B.

False

Question 14

In the six-point conference held using the 96XX series MCU, the venues T1, T2, and T3 form a three-screen, and the venues T4 and T5 are held , T6 is not in multiviewer, when T1, T2 leave, T4, T5 or T6

Two of the venues cannot replace the multi-screen T1 and T2 venues. ()

Options:

A.

True

B.

Error

Question 15

( ) is a multiviewer mode supported by cloudMCU.

Options:

A.

Divided into 24 screens

B.

A large number of small Ontable modes

C.

Divided into 9 screens

D.

Divided into 16 screens equally

Question 16

No setup () is required for point-to-point calls

Options:

A.

The IP address of the peer or venue number

B.

The line type

C.

Speed

D.

GK Name

Question 17

SMC2.0 can participate in local recording and broadcasting, at this time RSE6500 and the venue are managed by SMC2.0, and SMC2.0 manages and allocates recording and broadcast resources. ()

Options:

A.

True

B.

False

Question 18

Large-capacity multi-point conferences are generally large-scale conferences with cross-regional and large levels, and generally need to cascade multiple MCUs to ensure sufficient capacity, and the

meetings are more of a communication style between the superior and the lower level.

Options:

A.

Right

B.

False

Question 19

The default H.323 call monitoring port ().

Options:

A.

1719

B.

1720

C.

1721

D.

1729

Question 20

Video conferencing systems are generally composed of terminals, communication networks, MCUs, GKs and other parts.

Options:

A.

True

B.

False

Question 21

E1 line dedicated, stable and reliable performance, high security, low price, simple wiring.

Options:

A.

True

B.

False

Question 22

The MCU node number after the meeting, consisting of () and ().

Options:

A.

MCU prefix

B.

Subconference No.

C.

Service area code

D.

Venue Number

Question 23

IdeaHub local cannot call the remote end through the venue number, and the remote cannot call the local through the venue number, which may be caused by ( ).

Options:

A.

The call rate of the caller is higher than the maximum call rate of the called

B.

Idealub is not registered with the SIP/GK server

C.

The call protocol is inconsistent with the registration protocol

D.

The network is not connected

Question 24

The CloudlLink series of terminals supports both wired and wireless ways to share materials.

Options:

A.

True

B.

False

Question 25

The CloudMcu supports floating 1icense management, where 1 socket 1080p30 is fully adapted and can be converted to () channels Svc port.

Options:

A.

24

B.

12

C.

8

D.

6

Question 26

() The message indicates that the request cannot be implemented on any SIP server.

Options:

A.

6xx

B.

5xx

C.

1xx

D.

3xx

Question 27

The following description of the Adhoc meeting is incorrect ().

Options:

A.

When scheduling an Adhoc meeting, you need to set the chairman password and the meeting activation password separately.

B.

Adhoc conferencing is a way to activate a meeting and join a meeting on the terminal side.

C.

Before you can use Adhoc Meetings, you need to create a new Adhoc Meeting Template.

D.

Adhoc conferencing does not consume MCU resources when it is not activated.

Question 28

The 192.720i 60 is an intermediate way to balance the smoothness of 60 frames with the relatively low transmission load of 30 frames.

Options:

A.

True

B.

False

Question 29

Regarding intelligent guide, what is the following description incorrect? ( )

Options:

A.

After joining, smart guide is turned on by default, and can be manually turned on and off during the meeting

B.

If the "Smart Guide" and "Uninformation Tracking" switch are turned on at the same time before joining, the camera can detect the speaker's voice orientation, automatically adjust the camera to the sound

direction, and shoot the best close-up picture of the speaker

C.

All endpoints must be configured with the VPT300 to implement the intelligent guide function

D.

Smart Guide supports picture-in-picture display of panoramas and close-ups

Question 30

The main features of Gatekeeper are ( ).

Options:

A.

Conference Control

B.

Access Control

C.

Bandwidth Management

D.

Address Translation

Question 31

IdeaHub supports shutdown and restart, not hibernation. ( )

Options:

A.

True

B.

False

Question 32

SIP is an abbreviation for Session Initialization Protocol and is used for initialization.) ), altering and terminating sessions of one or more participants, including multimedia conferencing, video, network calls,

etc. ().

Options:

A.

True

B.

False

Question 33

Te terminals hold 1080p 30fps meetings and require at least () bandwidth.

Options:

A.

2Mbps

B.

512Kbps

C.

1.5lMbps

D.

1Mbps

Question 34

The meeting message of the cascade conference is sent from the master MCU to the slave MCU through the cascade port.

Options:

A.

True

B.

False

Question 35

In the SMC2.0 networking scenario, the meeting control message of the cascade conference is sent from the primary MCU to the slave MCU through the cascade port.

Options:

A.

True

B.

False

Question 36

Which of the following audio formats works best? ()

Options:

A.

Has. G711

B.

G722

C.

G719

D.

AAL_LD

Question 37

TE Mobile needs to register the server before it can make a call after logging in. ()

Options:

A.

True

B.

False

Question 38

McUs are registered with H.323 and need to make a request to Gk when calling a terminal using a number. ()

Options:

A.

True

B.

False

Question 39

Video conferencing provides users with remote real-time communication methods, and users can interact with sound, images, and data through video conferencing. ()

Options:

A.

True

B.

False

Question 40

SMC2.0 supports both separate deployment on a server and co-location with SC and EUA on a single server. ()

Options:

A.

True

B.

False

Question 41

MCU system backup can be divided into hardware backup and data backup. ()

Options:

A.

True

B.

False

Question 42

172.Q.931 The signaling port is a UDP port. ()

Options:

A.

True

B.

False

Question 43

Large-capacity meetings are attended by a large number of people, so the need for interactive communication is the highest.

Options:

A.

True

B.

False

Question 44

The RSE6500 repackaged the corresponding high/standard-clear on-demand files and sent them to the conference terminal via the () protocol. ()

Options:

A.

H323

B.

H239

C.

RTP

D.

SIP

Question 45

Enterprise construction of conference television system, MCU and business system in the private network, public network terminal access, at this time if the realization of two different network segments of

the terminal equipment between the multi-media communication, you can set the MCU GE1 working mode as ().

Options:

A.

Back up

B.

Ride the wall

C.

Dynamically switch

D.

Load sharing

Question 46

A message is the basic unit of the SIP protocol, the basic unit of interaction between the client and the server.

Options:

A.

True

B.

False

Question 47

The IdeaHub Pro 65" touchscreen has a maximum resolution of ( ).

Options:

A.

4K60

B.

1080p60

C.

4K30

D.

1080p30

Question 48

The advanced user rights for the RSE6500 include ().

Options:

A.

Watch all videos

B.

Download all videos

C.

Upload the video

D.

Post video

Question 49

In the MCU built-in web page of the Settings Management Export item, the following cannot be exported is ().

Options:

A.

? ?

B.

License

C.

Gateway/MCU Configuration

D.

Status table

Question 50

TE Desktop can import address books () in excel format

Options:

A.

True

B.

False

Question 51

Which of the following ways can you schedule a recorded meeting ().

Options:

A.

Video telephony direct dispatch

B.

SMC direct dispatch

C.

Zhizhen venue scheduling

D.

MCU scheduling

Question 52

Increase the audio sample rate and will ().

Options:

A.

Requires more load bandwidth

B.

Requires more codec resources

C.

Reduces sound latency

D.

Closer to the original sound effect

Question 53

When the GE port and optical port of the VP96 series MCUs are plugged in at the same time, the GE port is preferred, but the cable is not inserted at the same time. ()

Options:

A.

True

B.

False

Question 54

The 231.96XX series MCUs support a variety of common firewall traversal technologies such as standard H.460, static NAT, Huawei SNP, and dual-network port wall riding, ensuring that they are suitable

for various network environments. ()

Options:

A.

True

B.

False

Question 55

The SIP protocol is the session initiation protocol for establishing, controlling, and releasing sessions. ( )

Options:

A.

Right

B.

False

Question 56

During SVC conferencing, the terminal sends up to 4 video streams to the C1loudMCU/VP98 series NCU, including ().

Options:

A.

Secondary flow 2 way, Feng flow 2 way

B.

Mainstream 4 each

C.

Subflow 1 way, mainstream 3 way

D.

Secondary 3-way, mainstream 1-way

Question 57

Main venue: The venue where the largest number of participants is located. ()

Options:

A.

True

B.

False

Question 58

The following are characteristics of high-volume meetings ().

Options:

A.

The back-to-back meeting format is mostly policy presentation, report

B.

Generally requires multiple MCUs for cascading

C.

High reliability requirements

D Interactivity requires a low

Question 59

Of the six base request messages, ( ) is used to end the conversation.

Options:

A.

CANCEL

B.

INVITE

C.

BYE

D.

ACK

Question 60

Users can download videos in MP4 file format online, and when the video is accompanied by a presentation of conference materials, the user cannot download the video of the presentation ().

Options:

A.

True

B.

False

Question 61

Ip address calls mainly include what processes ().

Options:

A.

RRQ

B.

Setup

C.

RCF

D.

Connected

Question 62

Huawei Video MCU accesses the network in the following ways ( ).

Options:

A.

IP

B.

E1

C.

4E1

D.

3G

Question 63

Intelligent voice assistants can perform actions.

Options:

A.

Call/Cancel Call Venue

B.

Join a meeting

C.

Turn up/down the volume of the local venue

D.

Watch the venue and multi-screen

Question 64

When the GE port and the optical port are plugged in at the same time, the GE port is preferred, but try not to insert the cable () at the same time

Options:

A.

True

B.

False

Question 65

Te HD terminals can choose from which way to convene a meeting ().

Options:

A.

Speech recognition method

B.

History Page

C.

Address this page

D.

Command line action

Question 66

The sample rate of the G728 audio algorithm is (KHZ).

Options:

A.

7

B.

8

C.

16

D.

48

Question 67

LRQ means ().

Options:

A.

Node registration request

B.

Node exit request

C.

Node Positioning Request

D.

Node logout request

Question 68

VPT300 built-in 16 microphones and 2 face detection cameras, through the microphone array detection sound source localization, combined with the binocular camera collected images for face tracking,

support manual There are four modes of /autoframe/auto/autonoframe. ()

Options:

A.

True

B.

False

Question 69

The fully adapted MCU supports venue access of any protocol, format, and bandwidth, and each venue can be accessed with maximum video capabilities. ()

Options:

A.

True

B.

False

Question 70

The following belongs to HD resolution is ()

Options:

A.

2560*1440

B.

1024*768

C.

720P

D.

1080P

Question 71

What is the following statement about KU resource pools correct?

Options:

A.

When the resources of a single MCU in the region are insufficient, the two MCUs with the most abundant resources in the priority area are cascaded.

B.

In the same service area, the system will preferentially select the MCU with the same prefix and the most abundant resources for venue access.

C.

SUC3.0 unifies the management and scheduling of MCUs to achieve load balancing, sharing, and redundant backup of MCU resources.

D.

The system matches the number prefix of the service area with the terminal number and determines the NCU resource pool that the terminal preferentially accesses.

Question 72

Regarding the frame rate of the image, the following statement is correct ().

Options:

A.

When the frame rate reaches 20fps , the picture seen by the human eye is continuous.

B.

The human eye does not perceive the difference between a frame rate of 60fps and a frame rate of 30fps.

C.

The human eye does not perceive the difference between a frame rate of 90fps and a frame rate of 60fps.

D.

When the frame rate reaches 30fps, the picture seen by the human eye is continuous.

Question 73

SMC2.0 can simultaneously access Zhizhen, HD terminal venue, pad, mobile phone, wired phone, desktop UC soft terminal and so on to hold meetings together. ()

Options:

A.

True

B.

False

Question 74

Which of the following interfaces supports audio signals ().

Options:

A.

DVI

B.

HDMI

C.

S-VIDEO

D.

RCA

Question 75

In the case of multiple MCUs cascading, the () feature enables the upper venue to browse the lower venue screen across levels.

Options:

A.

Intelligent secondary flow adaptation

B.

Network Remote Recording

C.

Multi-channel cascade

D.

End-cloud collaboration

Question 76

The function of a proxy server is to forward requests or responses to clients. You can act as both the server and the client to decide on the next hop to forward the request message. ()

Options:

A.

True

B.

False

Question 77

The SMC supports adding a network address book on the GK, which is stored on the FTP server. ()

Options:

A.

True

B.

False

Question 78

VPT300 smart tracking camera contains () function.

Options:

A.

Adaptive Panorama

B.

Voice image dual positioning

C.

Automatically identify and track speakers

D.

360 Degree Intelligent Rotation

Question 79

In the intelligent collaboration stage, what are the functional features of the video conferencing system? ()

Options:

A.

The electronic name tag of the attendee can be displayed on the terminal.

B.

Participants can control the terminal via voice.

C.

The terminal supports whiteboard collaboration and smart writing.

D.

The terminal supports intelligent guidance, providing more accurate and flexible tracking and positioning through sound source detection and sound source positioning.

Question 80

A company is now going to hold a provincial seminar that requires the City A Convention Center and the City B Conference Center to join in. A City Convention Center commonly uses the A meeting

template to hold meetings, and the center commonly uses the B meeting template to hold meetings. From the perspective of feasibility and ease of operation, ( ).

Options:

A.

Adhoc

B.

VR dial-up to

C.

The main caller is called the call set

D.

Multi-level conference

Question 81

The caller set does not require a GK to call directly with an IP address.

Options:

A.

True

B.

False

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Total 544 questions