Deck 1: HCNA-VC (Huawei Certified Network Associate - Video Conference)

Question 1

How many MCU resources maximumly does Multi-resource management center can manage?

A) 128
B) 256
C) 64
D) 512

Answer 1

128

Question 2

Operational support layer may include? (Select 2 answers)

A) Operators billing system
B) MCU
C) GK
D) Multi Resource Management Center

Answer 2

Operators billing system
Multi Resource Management Center

Question 3

Access control belongs to the functions of GK

Answer 3

True

Question 4

What are the following responsible for system streaming video and audio signal processing?

A) HDPA
B) POEA
C) GWBA
D) VOBA

Question 5

What are RP multifunctional intelligence installation modes? ( ) (select 3 answers)

A) Ceiling mode
B) Fixed Mode
C) Move mode
D) on the wall mode

Question 6

7Z0P image effect equal to ( )

A) 4CIF
B) 8CIF
C) 9CIF
D) 12CIF

Question 7

HD camera can be turned on or off the image upside down functionality through VIDEO settings.

Question 8

What is the range that the human ear can recognize the sound frequency?

A) 10~10K
B) 20~20K
C) 30-30K
D) 40~40K

Question 9

The function of Switch Centre is ( )

A) External ports provide third-party telephone numbers
B) provide address resolution, access control, bandwidth management and regional management functions
C) monitoring node registration and call status  
D) Collaborative Resource Manager to achieve special code calls and site call function

Question 10

Can not be extended after the appointment conference.

Question 11

E1 comparative advantages of IP(Select 3 answers)

A) Bandwidth stable
B) QOS guaranteed
C) Data confidentiality, better security
D) low cost, line can be shared

Question 12

AAC-LD ( ) kHz sampling support dual-channel high-fidelity CD quality

A) 7
B) 16
C) 48
D) 64

Question 13

Which of the following several types are included in H323 node? (choose 3 answers)

A) terminal
B) MCU
C) the gateway
D) the routing

Question 14

MCU can not register to SwitchCentre or Resource Manager case may be? (select 3 answers)

A) Failure terminal
B) network failure
C) Registration parameters are inconsistent
D) segment limit

Question 15

SMC2.0 add a non-Huawei device, select "Other devices"

Question 16

What can select the input when call pear?

A) the opposite end IP address
B) the opposite end model
C) the opposite Physical location
D) the opposite end password

Question 17

By default, GE1 network interface works in what mode?

A) Backup mode
B) Capture mode
C) Dynamic switching
D) Fence model

Question 18

One MCU can establish a connection with( )a RM interface at the same time.

A) 1
B) 2
C) 3
D) 4

Question 19

In video products in the network diagram, which layer is Switch Manager located in ? ( )

A) User Access Layer
B) Media exchange layer
C) Network control layer
D) Operational support layer

Question 20

Which of the following is supported by the main control board switchover?

A) GCCA
B) GCCB
C) GCCC
D) GCCD

Question 21

Conference access number is made up of ( ) and ( ). (Select 2 answers)

A) Sub-conference number
B) MCU Code
C) Conference special code
D) Cascade special code

Question 22

How many process does the IP address call mainly includes?  (select 2 answers)

A) RPQ
B) setup
C) RCF
D) connected

Question 23

50/60 fields are a middle way of relatively low transmission load, which give consideration to 60 frames smooth and 30 frames.

Question 24

Business management system is used for centralized management of video resources, responsible for reservation and scheduling of meetings, including network control center, conference reservation system ( ).

A) the billing system
B) Multi-Resource Management Center
C) GK
D) all of the above

Question 25

LRQ is the node positioning request

Question 26

GK according to the called number parsing GK regional node is called node belong to the neighbours, GK support GK request parsing was called number to neighbor

Question 27

Which organization is it that set the standard H.323?

A) ITU_T
B) IEEE
C) NSI
D) ISO

Question 28

MCU8650C height ( ) U.

A) 1
B) 2
C) 3
D) 4

Question 29

Which of the following is the highest video format supported currently by Video conference system?

A) 4CIF
B) 720P
C) 1080P
D) 2016P

Question 30

IP addresses call directly which don't need GK.

Question 31

Large capacity multipoint generally cross-regional, level larger conferences, generally require multiple cascaded MCU to ensure adequate capacity, the meeting was more superior to the lower convey style.

Question 32

Network packet loss is high, Multi Resource Management Center will alarm.

Question 33

Which of the following is the networking format of intelligence video network? (please choose 3 answers)

A) IP
B) E1
C) 4E1
D) ADSL

Question 34

I frame is a complete picture, and P-frames and B-frames is recorded with respect to change in I frames.

Question 35

Which of the following types of equipment are high terminal accessories( ) (Select 3 answers)

A) array microphone
B) HD camera
C) Remote control
D) Switch

Question 36

Which layer does the HD terminal video communications system located in?

A) operational support layer
B) Network control layer
C) Media exchange layer
D) User Access Layer

Question 37

Veneer refers GPUA (general purpose processing unit board).

Question 38

Which of the following is a configuration option HD Camcorder( ) (Select 3 answers)

A) IR
B) VIDEO
C) FLIP
D) MCU

Question 39

Multifunction Telepresence main scenario( )

A) Ordinary Meeting conference
B) Senior Management Office
C) Professional conference rooms

Question 40

HD Codec of the intelligence conference room supports 3-way high-definition video input and output.

Question 41

What is the resolution of 1080P?

A) 1960*1080
B) 1024*720
C) 1920*1080
D) 704*576

Question 42

What is the resolution of 1080P?

A) 1080*720 progressive scanning
B) 1080*720 interlaced scanning
C) 1920*1080 progressive scanning
D) 1920*1080 interlaced scanning

Question 43

In double-flow meeting, you can transmit two-way video source images of home terminal at the same time or see two-way video source image of remote at the same time.

Question 44

Which does belong to HD resolution? ( ) (select two answers)

A) CIF
B) 4CIF
C) 720P
D) 1080P

Question 45

Each system must have operating billing system.

Question 46

What function the Intelligence Host contains? (Please Choose 3 Answers)

A) Video Matrix
B) Switch
C) US-SCM
D) Audio Processor

Question 47

The venue terminal can through calling the ( ) to join the meeting

A) the Sub-conferences number
B) conference access number
C) the service area code
D) Chairman special code

Question 48

Which of the following is the main control board of MCU8650C?

A) GCCX
B) GCCA
C) GCCB
D) GCCC

Question 49

What's the difference between video conference and traditional telephone ( ) (Select two answers)

A) hear each other's voice
B) saw each other's image
C) Computer Desktop Sharing
D) All of the above

Question 50

Which meeting number is Manual cascade needed to schedule?

A) 1
B) 2
C) 3
D) 4

Question 51

What's the 4CIF resolution ratio?

A) 352 x 288
B) 704 x 576
C) 1280 x 720
D) 1920 x 1080

Question 52

When the terminal dials conference special code, multipoint resource management center through the ( ) and ( ) will return relevant information of the meeting to terminal, which is for the terminal to choose to join again. (Please choose 2 answers)

A) Schedule Web
B) MCU
C) GKM
D) GK

Question 53

Huawei video equipment can achieve stable level of telecom equipment, 7*24 hours of uninterrupted operation.

Question 54

Which of the following is true? (Please choose 3 answers)

A) SMC 2.0 change from C/S structure to B/S architecture, provide Web operating interface, and support Internet explorer browser.
B) SMC 2.0 supports multi-user management, manage the user rights according to organization structure, support configuration of users' right.
C) SMC 2.0 provides SOAP interface, for the third party development, support functions of meeting to make an appointment.
D) SMC 2.0 cannot fuse with Microsoft Lynch.

Question 55

HD terminal cannot login via WEB interface to restore the factory settings.

Question 56

All MCU support built-in WEB devices meeting management/built-in GK.

Question 57

Multipoint resources management center does not support intelligence system access.

Question 58

For GCCB board, which of the following is true? (please choose 3 answers)

A) GCCB board is indispensable veneer of MCU8660
B) can be installed in 0, 1 slot
C) the main/standby working way
D) can add function gusset plate (at most four) to achieve business board function

Question 59

Which of the following is the main control board of MCU8660?

A) GCCX
B) GCCA
C) GCCB
D) GCCC

Question 60

1080i i respectively show ( )

A) progressive
B) interlacing
C) By vertical
D) Every vertical

Question 61

( ) achieves the switching between the number, name, etc and IP addresses.

A) GK
B) Terminal
C) MCU
D) Gateway

Question 62

POEA is in charge of the 4E1 signal access

Question 63

What is the main function of the GateWay?

A) Protocol and Date Rate conversion
B) Node Manager
C) Media Encoder
D) Conference Control

Question 64

TP3118 support meeting of up to 18 people each side.

Question 65

What are the telepresence characteristics (choose 3 answers)

A) choose to reach 1080P
B) the virtual reality, all-view experience
C) life-size, eye to eye
D) high rate

Question 66

HD camera can modify resolution through FLIP mode.

Question 67

1080P image quality is equal to ( ).

A) 9CIF
B) 16CIF
C) 20CIF
D) 24CIF

Question 68

In the network diagram of video products, which layer is RM located in?

A) the user access layer
B) media exchange layer
C) network control layer
D) operation support layer

Question 69

HD terminal setup wizard can complete the configuration of the ( ). (Please choose 3 answers)

A) Basic information terminal
B) Camera parameters
C) Network parameters
D) License information

Question 70

MCU8650C is mainly for ( ) client (choose 2 answers)

A) Industry
B) Private Network
C) corporate customers
D) operators

Question 71

One Multi Resource Management Center only can manager one service area.

Question 72

All boards have FE, GE0, GE1 three kinds of network port.

Question 73

What does LFQ mean?

A) node registration request
B) node exit request
C) node localization Request
D) node cancellation request

Question 74

The main control board of the MCU8650 is ( ).

A) GCCX
B) GCCA
C) GCCB
D) GCCC

Question 75

The resolution of HD terminal video output image can be set ( ) (choose 3 answers)

A) DVD
B) 720P
C) 1080P
D) 1080I

Question 76

How many higher MCU the lower MCU can use?

A) 4
B) 3
C) 2
D) 1

Question 77

On the UDP application layer, what can H323 protocols be divided into? (Choose 3 answers)

A) terminal control category
B) the media control category
C) data application category
D) error checking category

Question 78

Higher MCU can have multiple summer MCU; Summer MCU can also have multiple superior MCU.

Question 79

The full name of GPUS is General Processing Unit Single-Board. It is XPU, which takes charge of the functions of multi-picture deal with the system, remix treatment and so on.

Question 80

GCCA is the master control board of the MCU8650