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H11-851_V3.0 HCIA-Video Conference V3.0 Question and Answers

Question # 4

What is the following statement about KU resource pools correct?

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.

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Question # 5

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, ( ).

A.

Adhoc

B.

VR dial-up to

C.

The main caller is called the call set

D.

Multi-level conference

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Question # 6

ideo input 2 can be used as a TE60 secondary input interface, but video input 3 cannot().

A.

True

B.

Error

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Question # 7

IdeaHub is an intelligent terminal product integrating intelligent writing, ultra-clear projection screen, video conferencing, and open office applications, which can meet the smart office needs of enterprise

conference rooms, management rooms, open office areas and other scenarios. ( )

A.

True

B.

False

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Question # 8

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

A.

True

B.

False

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Question # 9

H.323 Which organization developed the standard ().

A.

ITU_T

B.

IEEE

C.

NSI

D.

ISO

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Question # 10

When a meeting operation is performed on SMC3.0, the () operation takes effect for the entire meeting and not for a single venue.

A.

Extend the meeting

B.

Set the guide mode

C.

Turn on voice control

D.

Cancel Chair's

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Question # 11

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

A.

End-cloud collaboration

B.

Intelligent secondary flow adaptation

C.

Channel cascading

D.

Network Remote Recording

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Question # 12

The essence of the MCU call local terminal is the peer-to-peer call process. ()

A.

True

B.

False

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Question # 13

The product type selected when upgrading the codec of Huawei TP Series Zhizhen products is ().

A.

VCT

B.

TP

C.

MCU

D.

GK

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Question # 14

The troubleshooting methods provided by IdeaHub mainly include ( ).

A.

Color bar test and audio video loopback test

B.

Signaling diagnostics

C.

One-click trace diagnostic

D.

Sound test

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Question # 15

In the following video, the smoothest picture is ().

Video with a frame rate of 30f/s

Video with a frame rate of 60f/s

Video with a frame rate of 50f/s

Video answer at a frame rate of 25f/s

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Question # 16

Remote video loopback, loopback video stream through the far end of the codec processing. ()

A.

True

B.

False

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Question # 17

Users cannot initiate a multipoint conference through huawei video conferencing terminals.

A.

True

B.

False

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Question # 18

Regarding SMC3.0 conference room distribution, is the following description correct?

A.

SMC3.0 supports managing meeting rooms in both organizational and regional ways.

B.

SMC3.0 supports the provisioning of new meeting rooms in both manageable and unmanageable ways.

C.

Manage meeting rooms by organizational mode, which by default can only be viewed by users under the organization and the parent organization.

D.

By default, meeting rooms are managed organizationally and are available as public meeting rooms for all users.

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Question # 19

You need to set the GK name when making a point-to-point call . ()

A.

True

B.

False

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Question # 20

In T1, T2, T3, T4 four-point meetings using the 96XX Series MCUs, manually set up the venue T1 After T2 and T3 form three screens, after the venue T1 leaves the meeting, the position of the atomic

screen T1 will be ().

A.

Replace with T4

B.

Remain unchanged

C.

Black screen

D.

Replace with T2

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Question # 21

The venue network is normal, the MCU can be connected normally through the IP address of the MCU, but the MCU IVR access number cannot be accessed by dialing the MCU, the possible reason is that

the MCU cannot be accessed.

A.

No meeting time.

B.

CU Insufficient resources.

C.

The venue is not registered with GK.

D.

The MCU IVR access number has changed.

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Question # 22

( ) The device is responsible for sending the broadcast venue screen to other venues.

A.

??

B.

??

C.

GK

D.

MCU

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Question # 23

TE40 supports a PSTN interface where you can connect a phone to a conference over voice ().

A.

True

B.

False

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Question # 24

Regarding the gallery view in a multi-stream meeting, what is the following description incorrect? ()

A.

In a multi-stream meeting, if you select Gallery View, the screens are presented in the following order of precedence: broadcast venue video> speaker video> other venue videos.

B.

In a multi-stream meeting, if you select Gallery view, you can display up to 16 videos or share a presentation.

C.

In a multi-stream conference, if you select gallery view, the picture is presented in a large number of small ways.

D.

In a multi-stream meeting, if you select Gallery View, the video and shared presentation of each venue are displayed equally.

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Question # 25

Is the following description of the VP98 Series MCUs correct?

A.

The VP9850 provides a 4*GE ethernet card and an outgoing 1000Mbps Ethernet port.

B.

The VP98 series is a box MCU that supports "1+1" power module backup.

C.

The VP98 series MCUs provide a 1000Mbps Ethernet port for server device management.

D.

Huawei VP98 series MCUs have 4K full-edit and full-solution processing capabilities.

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Question # 26

By loading licenses, you can expand the capacity of the MCU and extend the functionality with business features. ()

A.

True

B.

False

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Question # 27

When logging in to the SMC2.0 operating system for the first time, the default user name of the system administrator is admin, and the password is Chang_Me. ()

A.

True

B.

False

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Question # 28

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

A.

True

B.

False

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Question # 29

H.323 is a standard developed by ( ).

A.

ITU_T

B.

IEEE

C.

NSI

D.

ISO

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Question # 30

Transactions are mainly divided into four categories: INVITE transactions, non-INVITE transactions, ACK transactions and CANCEL transactions.

A.

True

B.

False

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Question # 31

The signaling interaction between the terminal and GK uses Huawei's proprietary protocol. ()

A.

True

B.

False

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Question # 32

SIP is an application layer protocol, independent of the following transport layer protocols, can be hosted on different transport protocols, such as UDP/TCP/TLS, currently the most commonly used TCP. ()

A.

True

B.

False

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Question # 33

Among the following terminal products, ( ) belongs to Zhizhen terminal.

A.

Bar300

B.

TE10

C.

RoomPresence 65S

D.

IdeaHub

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Question # 34

During SVC conferences, the terminal sends up to the MCU( ) code stream, including secondary streams and mainstream streams, with resolutions between 90p and 720p.

A.

2

B.

4

C.

6

D.

8

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Question # 35

The HD terminal turns on the multi-view function, connects two cameras as video inputs, and the terminal mixes the two videos into one video. ()

A.

True

B.

False

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Question # 36

() Does not belong to the three elements of video conferencing multimedia business.

A.

Sound

B.

Data

C.

Image

D.

Network

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Question # 37

SIP messages are encoded as text.

A.

True

B.

False

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Question # 38

484.H.323 Entities include ( ).

A.

??

B.

GK

C.

MCU

D.

Gateway

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Question # 39

The RSE6500 supports 1080P 60 dual-stream recording, live streaming, and on-demand ().

A.

True

B.

False

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Question # 40

The single board of the VP96 series MCUs includes ( ).

A.

HCCD

B.

HCCB

C.

ISDN

D.

HCCA

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Question # 41

Terminal T1 calls terminal T2's number 002 and cannot successfully establish the call for possible reasons ().

A.

Terminal T1 or terminal T2 is not registered with GK

B.

Terminal T1 is set up to Do Not Disturb

C.

Terminal T1 is on the public network, and terminal T2 is on the private network

D.

Terminal T2 goes to sleep

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Question # 42

The service processing board cannot play the role of the main control board, and the service backup function of the business board can be realized by configuring multiple business boards. ()

A.

True

B.

False

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Question # 43

In cascading meetings, meeting control operations on subordinate venues are not supported. ()

A.

True

B.

False

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Question # 44

The sample rate used by the 340.G.728 audio algorithm is () KHZ.

A.

7

B.

8

C.

16

D.

48

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Question # 45

A CANCEL transaction can only be sent after receiving a temporary response from INVITE (including 100), before the final response. ()

A.

True

B.

False

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Question # 46

In video conferencing, the () feature enables participant terminals with different capabilities to display secondary stream data information

A.

Intelligent secondary flow adaptation

B.

End-cloud collaboration

C.

Network Remote Recording

D.

Multi-channel cascading

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Question # 47

IdeaHub has the ultimate whiteboard experience, which mainly includes ().

A.

Scan the minutes of the meeting to save

B.

Handwritten fonts are automatically converted to printed

C.

The writing delay is as low as 100ms

D.

Meeting minutes automatically email the

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Question # 48

The function of the redirect server is to map the addresses in the request to zero or more new addresses, which are returned to the client. ()

A.

True

B.

False

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Question # 49

96XX Series MCUs When configured to support FECC DTMF remote control, you need to press the () key before you can control the camera.

A.

Confirm key

B.

Dial key

C.

Hang up key

D.

Magnification key

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Question # 50

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

A.

True

B.

False

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Question # 51

In the conference call flow, the tasks of the H.245 Competency Negotiation section are ().

A.

Negotiate meeting bandwidth

B.

Negotiate whether to negotiate the H.323 protocol or the SIP protocol

C.

Negotiate the video codec protocol

D.

Negotiate video resolution

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Question # 52

Once IdeaHub is successfully activated, you can join a scheduled meeting with () one click.

A.

Call Recent Call Log

B.

The main caller is called the call set

C.

Agenda of the session

D.

Call Endpoint IP

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Question # 53

Regarding the service area resources configured by SMC3.0, the following description error is ().

A.

When SMC3.0 schedules a recording and broadcasting conference, if there are no recording and broadcast resources in the main service area and the backup service area, the recording and

broadcasting meeting will not be held normally.

B.

When there is only one service area, scheduling meetings use the Default service area directly by default, and you must require configuration matching rules to identify the service area.

C.

When SMC3.0 schedules a recorded meeting, the media and recording resources in the main service area are used in preference.

D.

When SMC3.0 schedules a recording and broadcasting conference, when the recording and broadcasting resources in the main service area are insufficient, the system will use the recording and

broadcasting resources in the corresponding backup service area to ensure the smooth convening of the meeting.

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Question # 54

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

A.

H323

B.

H239

C.

RTP

D.

SIP

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Question # 55

The 338.96XX family of MCUs can be upgraded using ().

A.

Built-in web upgrade

B.

Command line upgrade

C.

USB upgrade

D.

SMC Management Interface Upgrade

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Question # 56

In H.323, the Terminal Control and Management class functions as a multi-selector

A.

Sending an AV stream

B.

Call signaling

C.

Control of the terminal

D.

Negotiated to AV Capabilities

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Question # 57

Gateway enables translation between numbers, names, etc., and IP addresses. ()

A.

True

B.

False

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Question # 58

Regarding the multi-vision function, what is the following description incorrect? ( )

A.

When the multi-view image display mode is picture-in-picture, the sprite source can select any physical input source, but not the remote source

B.

The dual-vision function supports the combination of two local video inputs (only the image input by the camera) and the combined image is sent to the remote venue as a mainstream image

C.

TE60 supports both dual and triple vision

D.

Multi-view image display modes can be picture-in-picture, bipartition and triple-screen

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Question # 59

Which of the following interfaces supports audio signals ().

A.

DVI

B.

HDMI

C.

S-VIDEO

D.

RCA

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Question # 60

Data conferencing is a kind of conference business provided by the conference system, the following description of data conferencing is correct? ()

A.

Data Conferencing enables users to access meetings directly via email links.

B.

If users want to hold data conferencing and experience the capabilities of data conferencing, they must deploy either the CloudMCU or the VP96 Series uCU.

C.

If users want to hold data conferencing and experience the capabilities of data conferencing, they must deploy either the CloudMCU or the VP96 Series uCU.

D.

Data conferencing supports functions such as whiteboarding, document sharing, desktop sharing, and more.

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Question # 61

The first step in the signaling process of the call set is for the terminal to send a meeting request to GK. ()

A.

True

B.

False

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Question # 62

The VP98 series MCUs are multimedia switching platforms based on Huawei's self-developed Kunpeng chips and () operating systems.

A.

VxWorks

B.

Yindows

C.

Linux

D.

openEuler

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Question # 63

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

A.

True

B.

False

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Question # 64

The point-to-point call rate is 2M, if the bandwidth is not reserved, the bandwidth of the main video is close to 2M before sending the dual stream, and after the dual stream is sent, the main video bandwidth

is reduced, and part of the bandwidth is shared with the dual stream. ()

A.

True

B.

False

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Question # 65

When SMC2.0 adds a manageable venue, the SNMP V3 user authentication parameters must be consistent with here on the venue side, otherwise the venue will fail to go live. ()

A.

True

B.

False

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Question # 66

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

A.

True

B.

False

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Question # 67

The MCU of the 96XX series supports 5 backups such as power supply, chip, service board, network port, and main control board to ensure that the MCU can run stably for a long time without interruption

().

A.

True

B.

False

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Question # 68

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

A.

? ?

B.

License

C.

Gateway/MCU Configuration

D.

Status table

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Question # 69

The FE port on the front panel of the MCU is ().

A.

Maintaining the ethernet port

B.

Service Network Port

C.

Back up the network port

D.

Master control network port

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Question # 70

( ) Only unmanageable additions to SMc2.0 are supported.

A.

TE10

B.

P3206

C.

Box300

D.

RP100

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Question # 71

Address resolution is when an SC performs a translation of the IP address of an entity ( ) .

A.

Entity number

B.

Entity name

C.

Entity domain name

D.

Region Name

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Question # 72

The SMC2.0 Unified Access number defaults to 168

A.

True

B.

False

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Question # 73

() is a function of the whiteboard.

A.

Move

B.

Zoom

C.

Erase

D.

Write

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Question # 74

LRQ means ().

A.

Node registration request

B.

Node exit request

C.

Node Positioning Request

D.

Node logout request

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Question # 75

Regarding SMC3.0 conference control, the following statement is incorrect?().

A.

In SIC3.0, only the meeting administrator and the chairman are allowed to control the meeting, and other terminals are only allowed to apply for the chairman and speak.

B.

SMC3.0 does not support the operation of recording and broadcasting conferences.

C.

SMC3.0 divides the control into meeting control and venue control, and the venue control is lowered to the shortcut menu and the right health menu of the venue list.

D.

SMC3.0 supports continuous roll call, multi-screen setting, auxiliary stream transmission and other controlled operations.

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Question # 76

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

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.

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Question # 77

The network traversal modes supported by the 96XX series MCUs are ().

A.

H460

B.

Static NAT

C.

Huawei SNP

D.

GRE Tunnel

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Question # 78

By logging in to the SMC3.0 admin admin as a conference administrator, you can add an MCU. ()

A.

True

B.

False

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Question # 79

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

A.

True

B.

False

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Question # 80

Ad hot meeting rooms are a way to activate a meeting and join a meeting via the () side.

A.

MCU B. SMC

B.

Terminal

C.

GK

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Question # 81

Regarding CloudRSE, is the following description correct?

A.

CloudRSE can provide video conferencing single-stream, dual-stream (video image + conference data sharing) recording and broadcasting.

B.

The CloudRSE power supply supports 1+1 hot backup, seamlessly switching to a backup power source in the event of a failure, ensuring consistent and reliable recording.

C.

CloudRSE supports resource pool management, and the CloudRSE in the resource pool is mutually backupable, and the resource pools cannot be backed up to each other.

D.

CloudRSE supports both HD and SD resolutions, and can only be viewed on-demand and live on a computer.

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