Exam4Training

Huawei H11-851_V3.0-ENU HCIA-Collaboration V3.0 Online Training

Question #1

Which of the following descriptions of the open features of IdeaHub is correct?

  • A . IdeaHub does not support open SDK
  • B . The industries that IdeaHub can be applied to do not include smart finance, smart teaching, smart healthcare, etc.
  • C . Third-party applications cannot access IdeaHub hardware peripherals and audio and video codec capabilities
  • D . IdeaHub supports optional OPS modules to extend Windows

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Correct Answer: D
Question #2

During an SVC conference, how many code streams can the terminal send to the MCU at most, including auxiliary streams and mainstream streams, and the resolution is between 90P~720P?

  • A . 4
  • B . 8
  • C . 2
  • D . 6

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Correct Answer: A
Question #3

In which of the following conferences, the MCU only needs to forward the audio and video streams and does not need to perform video codec conversion?

  • A . AVC meeting
  • B . SVC meeting
  • C . Data Conference
  • D . Cascading conference

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Correct Answer: B
Question #4

Which of the following device licenses supports floating management in SMC2.0?

  • A . VP9660
  • B . Terminal
  • C . Cloud MCU
  • D . Recording and broadcasting

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Correct Answer: C
Question #5

The existing venues T1, T2, and T3 have venue numbers 0571001, 0571002, and 0571003 respectively. There are three MCU1, MCU2, and MCU3 with prefixes 0571, 0551, and 0755 in the same service area. These three venues are now used on SMC to convene tripartite meetings.

Which of the following descriptions is correct?

  • A . If all three MCUs have sufficient resources, the conference will be automatically scheduled on MCU3.
  • B . When SIMC schedules a conference, it will first select the MCU with the most remaining resources in the same service area.
  • C . If all three MCUs have sufficient resources, the conference will be automatically scheduled on MCU2
  • D . If all three MCUs have sufficient resources, the conference will be automatically scheduled on MCU1

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Correct Answer: D
Question #6

Which of the following terminals cannot be added to SMC2.0 in a manageable manner?

  • A . Soft terminal
  • B . Cloud Link Box300
  • C . TE50
  • D . IE30

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Correct Answer: B
Question #7

Which of the following descriptions of service area resources configured in SMC3.0 is wrong?

  • A . When there is only one service area, the Default service area is directly used by default for scheduling meetings, and matching rules must be configured to identify the service area.
  • B . When SHC3.0 schedules a recording and broadcasting conference, the media and recording and broadcasting resources in the main service area will be used first.
  • C . When SMC3.0 schedules a recording and broadcasting conference, if neither the main service area nor the backup service area has recording and broadcasting resources, the recording and broadcasting conference will not be held normally.
  • 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 that the meeting is held smoothly.

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Correct Answer: D
Question #8

If you want all users to be able to view the recorded video, which action is the administrator needs to take on RSE?

  • A . Video release
  • B . Video editing
  • C . Record meeting
  • D . Add user group

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Correct Answer: A
Question #9

Regarding the picture-in-picture display mode of VPT300, which of the following descriptions is wrong?

  • A . The picture-in-picture display is turned off, and the close-up image is displayed in full screen during close-up tracking.
  • B . Picture-in-picture settings will affect the presentation in auto-tracking mode.
  • C . VPT300 supports setting the picture-in-picture display mode. The small screen size is fixed and the position is fixed at the upper right corner.
  • D . The picture-in-picture display is turned on. During close-up tracking, the holy screen shows a panoramic view of the meeting, and the small screen shows a close-up.

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Correct Answer: C
Question #10

IdealHub supports the signaling diagnosis function. this function cannot be used to locate which of the following type problem?

  • A . Network packet loss
  • B . Registration failed
  • C . Call failed
  • D . Media Consultation

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Correct Answer: A

Question #11

Regarding IdeaHub configuration backup and recovery, which of the following descriptions is wrong?

  • A . IdeaHub supports configuration file backup and export through the web page.
  • B . Idealiub only supports the backup of one configuration file. If it has been backed up before, the previous backup file will be overwritten when you back it up again.
  • C . Click "Maintenance>Configuration Management>Backup and Maintenance>Backup" on IdeaHub, and the backup configuration file will be automatically stored in the terminal file system.
  • D . IdeaHub supports exporting configuration backup files through USB flash drives.

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Correct Answer: A
Question #12

() Support creating and joining meetings through IVR.

  • A . VP9850
  • B . VP9860
  • C . VP9660
  • D . C l oud MCU

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Correct Answer: C
Question #13

When adding TE series terminals in manageable mode in SHC2.0, the "user name" and "password" in the authentication information must be consistent with the username and password of the terminal () user.

  • A . Web interface
  • B . api
  • C . test
  • D . debug

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Correct Answer: B
Question #14

SMC3.0 provides device management functions and can manage up to () MCUs.

  • A . 512
  • B . 250
  • C . 100
  • D . 600

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Correct Answer: A
Question #15

SMC3.0 provides terminal management functions. The communication protocol used between SMC and terminals is ().

  • A . Telnet
  • B . SNMP
  • C . TR069
  • D . CMIP

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Correct Answer: B
Question #16

Regarding the multi-point recording feature of CloudRSE, which of the following descriptions is wrong?

  • A . During the multi-point conference recording process, the conference administrator is supported to perform recording and broadcast control on the SWC3.0 platform, such as pausing the recording and broadcasting, resuming the recording and broadcasting, and stopping the recording and broadcasting.
  • B . A SIP call is established between CloudRSE and MCU. MCU sends an RTP code stream to CloudRSE, and CloudRSE converts the RIP code stream into a video that can be live broadcast and on-demand.
  • C . Once CloudRSE is called into a multi-party conference by the MCU, it will only record according to the video switching policy of the MCU. It cannot specify any venue or multiple screens in the conference for recording on SMC3.0.
  • D . CloudRSE supports single-stream and multi-stream recording in multi-point video conferencing networks.

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Correct Answer: C
Question #17

When multiple MCUs are cascaded, the () feature enables the upper-level venue to browse the lower-level venue screens across levels.

  • A . Intelligent auxiliary flow adaptation
  • B . Network remote recording
  • C . Multi-channel cascade
  • D . Device-cloud collaboration

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Correct Answer: C
Question #18

Regarding the 0.931 call process, which of the following descriptions is correct?

  • A . ALERTING -> CALL PROCEEDING -> SETUP-> CONNECT -> RELEASE COMPLETE
  • B . ALERTING -> CALL PROCEEDING -> CONNECT -> SETUP -> RELEASE COMPLETE
  • C . Call SETUP -> CALL PROCEEDIN -> ALERTIN -> CONNECT -> RELEASE COMPLETE
  • D . CALL PROCEEDING -> ALERTING -> CONNECT -> SETUP -> RELEASE COMPLETE

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Correct Answer: C
Question #19

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

  • A . Call recent call history
  • B . Calling call set
  • C . Meeting agenda
  • D . Calling terminal IP

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Correct Answer: C
Question #20

After IdealHub joins the conference, the remote site cannot hear the sound of the local site. Which of the following troubleshooting methods is wrong?

  • A . One-click trace diagnosis
  • B . Far-end audio loopback
  • C . Local audio loopback
  • D . Local video loopback

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Correct Answer: D

Question #21

() only supports adding to SMC2.0 through unmanageable methods.

  • A . TE10
  • B . Box300
  • C . TP3206
  • D . RP100

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Correct Answer: C
Question #22

In Cloud Link Edge1000 networking scenario, the maximum number of concurrent conferences supported by the system is ().

  • A . 150
  • B . 100
  • C . 250
  • D . 50

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Correct Answer: C
Question #23

No need to set () when making point-to-point calls

  • A . The peer’s IP address or venue number
  • B . Line type
  • C . Velocity
  • D . GK name

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Correct Answer: D
Question #24

Conduct return visits to recorded meetings through various platforms such as Web/pad/mobile phone/terminal, etc. This process is called ()

  • A . Live broadcast
  • B . On demand
  • C . Record
  • D . Offline transcoding

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Correct Answer: B
Question #25

NLOG V2 data comes from ()

  • A . SMC
  • B . GK
  • C . Terminal
  • D . MCU

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Correct Answer: D
Question #26

AAC-LD () KHz sampling high-fidelity CD sound quality supports two channels

  • A . 7
  • B . 16
  • C . 48
  • D . 64

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Correct Answer: C
Question #27

Default H.323 call monitoring port ()

  • A . 1719
  • B . 1720
  • C . 1721
  • D . 1729

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Correct Answer: B
Question #28

Q.931 is part of which agreement?

  • A . H.225
  • B . H.239
  • C . H.245
  • D . H.281

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Correct Answer: A
Question #29

Which organization established the standard H.323?

  • A . ITUT
  • B . IEEE
  • C . NSI
  • D . ISO

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Correct Answer: A
Question #30

The format of the MCU upgrade file using the built-in web management interface is ()

  • A . .dat
  • B . .bin
  • C . .xml
  • D . .txt

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Correct Answer: B

Question #31

The range of sound frequencies that the human ear can recognize is ()

  • A . 10~10KHZ
  • B . 20~20KHZ
  • C . 30~30KHZ
  • D . 90~40KHZ

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Correct Answer: B
Question #32

TE30 and TE40 support () channel multi-viewing respectively.

  • A . 1 way, 2 way
  • B . 2 way, 2 way
  • C . 2 way, 3 way
  • D . 3 way, 3 way

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Correct Answer: B
Question #33

Switch Center is located in () in the video product system

  • A . User access layer
  • B . Media processing layer
  • C . Service support layer
  • D . Business Management

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Correct Answer: D
Question #34

A lower-level MCU can have () upper-level MCUs at the same time

  • A . 4
  • B . 3
  • C . 2
  • D . 1

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Correct Answer: D
Question #35

() frames per second has reached basic smoothness for the human eye.

  • A . 20
  • B . 30
  • C . 50
  • D . 60

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Correct Answer: B
Question #36

The default RAS signaling port is ()

  • A . 1719
  • B . 1720
  • C . 1721
  • D . 1729

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Correct Answer: A
Question #37

Which of the following audio formats has the best effect?

  • A . G.711
  • B . G.722
  • C . G.719
  • D . AAL_LD

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Correct Answer: D
Question #38

The height of MCU8650C is ()U

  • A . 1
  • B . 2
  • C . 3
  • D . 4

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Correct Answer: A
Question #39

() frames per second is the limit of human eye resolution.

  • A . 20
  • B . 30
  • C . 50
  • D . 60

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Correct Answer: D
Question #40

Which of the following is not a feature of TE HD terminals?

  • A . Calling call set
  • B . Wireless dual-stream
  • C . Video recording
  • D . Multiviewing

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Correct Answer: C

Question #41

LRQ refers to ().

  • A . Node registration request
  • B . Node exit request
  • C . Node location request
  • D . Node logout request

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Correct Answer: C
Question #42

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

  • A . 6xx
  • B . 5xx
  • C . 1xx
  • D . 3xx

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Correct Answer: A
Question #43

For the response message "3xx", what does it mean?

  • A . The server has received the request message and is processing it.
  • B . The server must take further action to complete the request.
  • C . The request is received, processed, and successfully accepted.
  • D . Indicates that the SIP server failure cannot complete the processing of the correct message.

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Correct Answer: B
Question #44

SMC3.0 manages IdeaHub through the () protocol.

  • A . SNMP
  • B . TR069
  • C . Telnet
  • D . SSH

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Correct Answer: A
Question #45

1080p image pixels are equivalent to ().

  • A . 16CIF
  • B . 9CIF
  • C . 20CIF
  • D . 25CIF

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Correct Answer: C
Question #46

The video resolution of 1080p is ().

  • A . 1920*1080
  • B . 720*1080
  • C . 1000*1920
  • D . 1080*720

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Correct Answer: A
Question #47

Regarding the H323 protocol, which of the following descriptions is correct? ()

  • A . The auxiliary stream data transmission protocol is not included in the 323 protocols.
  • B . The terminal control management protocol is responsible for sending audio and video streams.
  • C . Video encoding protocol, audio encoding protocol, and media transmission protocol are media control protocols.
  • D . Media control protocols are responsible for conference control and terminal calls.

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Correct Answer: C
Question #48

What does the response message "1xx" mean?

  • A . The server must take further action to complete the request.
  • B . The request cannot be fulfilled on any SIP server.
  • C . The request message contains a syntax error or the STP server cannot complete the processing of the request message.
  • D . The server has received the request message and is processing it.

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Correct Answer: D
Question #49

Among the six basic request messages, () is used to end the session.

  • A . CANCEL
  • B . ACK
  • C . BYE
  • D . INVITE

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Correct Answer: C
Question #50

The control method of IdeaHub does not include ().

  • A . Web page
  • B . Touch
  • C . Touch screen
  • D . Remote control

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Correct Answer: D
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