Use H11-861_V3.0-ENU Dumps to Obtain Huawei Certification

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May 7, 2024

If you're serious about obtaining the HCIP-Collaboration certification, practicing with Huawei H11-861_V3.0-ENU dumps questions is a must. By doing so, you'll become familiar with the exam format, identify knowledge gaps, develop time management skills, boost your confidence, and increase your chances of success. So, start practicing H11-861_V3.0-ENU exam dumps today and give yourself the best chance of passing the H11-861_V3.0-ENU exam! Test free HCIP-Collaboration V3.0 H11-861_V3.0-ENU exam dumps below.

Page 1 of 15

1. John wants to use HW Cloud Link Mobile quickly accesses company video conferencing, and he can use Harmony OS system mobile phone access.

True

False

2. Which of the following descriptions of the SIP protocol is correct?

Can be used to transmit voice packets

Can be transmitted based on TCP

Cannot be transmitted based on UDP

It is a transport layer protocol

3. If the SIP signaling of the video conference terminal is transmitted using the TCP protocol, the default port number of TCP is ().

4. When using IdeaHub for screen mirroring, which of the following methods can be used? (Multiple choice)

Wired screen projection on mobile phone

Mobile client screencasting

Smart screen projector

Computer wired screen projection

5. SNP (Super Network Passport) technology is used to achieve public and private network traversal without adding network equipment.

True

False

6. The H.323 terminal is a node on the network. It can conduct real-time, two-way communication with other H.323 terminals, gateways or MCUs.

True

False

7. Which of the following network elements have their own high-definition cameras? (Multiple choice)

Cloud Link Box 200-C

Cloud Link Camera200 Cloud

IdeaHub Pro 65

Cloud Link Bar 300

8. Which of the following does the flexible extension mechanism of the SIP protocol refer to?

Add header fields and message types

Text protocols are easy to extend

Media negotiation uses SDP to facilitate adding new media features

Add misalignment check

9. The underlying system of VP9830 is () OS.

10. Illumination, color temperature, white balance and color rendering index, these four indicators of light, have an important impact on the actual image effect of video conferencing.

TURE

FALSE

Page 2 of 15

11. It is known that the G.729 rate is 8Kbit/s, the packetization cycle is 20ms, and the voice bandwidth is _____Rbit/s.

12. Large-capacity multipoint conferences are generally cross-regional, multi-level large-scale conferences. Generally, multiple MCUs are required to be cascaded to ensure sufficient capacity. The conference format is mostly communicated from superiors to subordinates.

True

False

13. Huawei VP96 and VP98 series MCUs cannot be cascaded after capacity expansion in existing environments.

True

False

14. In the H.323 protocol, which of the following messages does the gateway send to the GK for call access authentication?

LPQ

RRQ

ARO

DRQ

15. IdeaHub whiteboard content can be reported or taken away by saving, scanning QR codes, and email.

True

False

16. The conference networking types of the SMC video conferencing system include fully adaptive networking and () networking.

17. Please sort the following live conference operation steps:

18. When two terminals registered in different GKs make point-to-point number calls, the GK queries the terminal IP address through the following ACF signaling.

True

False

19. Which of the following functions does the data conferencing of Huawei collaboration solution not support?

Desktop sharing

Access WeChat voice calls

Electronic whiteboard

Media Sharing

20. Which of the following descriptions of the RTP protocol are correct? (Multiple choice)

RTP is a transmission protocol for multimedia data streams

RTP applications can be carried on either the TCP protocol or the UDP protocol

RTP can provide quality of service monitoring and transfer information about participants in the media session

RTP applications can only be carried over UDP protocol

Page 3 of 15

21. Which of the following are MP functions of MCU? (Multiple choice)

Stream forwarding

Conference Control

Multi-screen processing

Call terminal

22. Which of the following options is wrong?

During the point-to-point number calling process, GK will receive two call requests.

During the point-to-point number calling process, Alerting signaling is the signaling used in the

225 connection process.

During a point-to-point number call,

245 will perform capability set matching before opening the logical channel.

During a point-to-point number call, the called terminal will send a call request to GK only after receiving the setup.

23. Cloud Link Bar 500, Box 200, Room Both Presence 65S and RSE8800 are terminal peripheral products in video conferencing systems.

True

False

24. In the SIP protocol, which of the following transactions has a three-way handshake mechanism?

lessage

Invite

ACK

Cancel

25. When analyzing Wireshark packets, if you want to filter out packets with the source address or destination address 192.168.1.100, which of the following filter condition expressions need to be used to filter?

ip. src==192.168.1.100

ip. addr! ==192.168.1.100

ip. dst==192.168.1.100

ip. addr==192.168.1.100

26. Which of the following SC maintenance and configuration commands require a restart to take effect and will cause the call to be hung up and the conference site to leave? (Multiple choice)

system-view sip-config sip-server FALSE

system-view sys-config common-config security-mode 2

system-view sys-config common-config license-mode 1

system-view sip-config udp-port 6999

27. The attributes of the message body are described through the Content header field. Content-Length refers to the length of the message body, which is not necessary for TCP but is necessary for UDP.

True

False

28. Huawei Cloud link Camera 200 Pro is connected to Cloud link Box 300 through the HT-TX interface. This interface requires the use of Category 5 or above shielded cables and supports long-distance high-definition video transmission up to () meters.

29. The core of NAT mapping is to modify the destination address of the datagram header.

True

False

30. When a single MCU port capacity is insufficient for a multipoint conference, which of the following methods can be adopted to ensure the normal holding of the conference?

Add a new participant terminal

Add MCU to this service area

Change the venue terminal number prefix

Change the number prefix of the MCU

Page 4 of 15

31. Which of the following options does not belong to the anti-packet loss design in Huawei video conferencing system?

SEC anti-packet loss technology

Prioritize audio transmission

When the network packet loss rate is small, ARQ will be automatically enabled based on network delay.

Acoustic signal simulation

32. Use I deaHub to open an application and browse in split screen, browsing two pages of an application at the same time to improve the visual perception and user experience.

Which of the following is an unsupported browsing mode option?

Navigation mode

Shopping mode

Single window mode

Conference mode

33. ARQ carries the information of the node itself (IP address and port number), as well as the information of the hard-called terminal (terminal number)

True

False

34. Which characteristics of video image color will the color rendering index affect? (Multiple choice)

light and dark

Clarity

Reducibility

Saturation

35. In the Wireshark menu bar, the () function can jump to the captured data.

36. After the Huawei video terminal is successfully connected to the camera, the user can set the camera parameters, such as exposure mode, white balance mode, noise reduction, etc., through the terminal's Web interface. The larger the noise reduction value is, the less noise will be in the picture and the quality of the image will be reduced. The details are clearer.

True

False

37. In the public and private network traversal scenario of the SMC conference system in the DNZ area, when the external network access device only has a SIP terminal, the recommended deployment form of SC in the DMZ area is () SC.

38. SMC presents the system administrator with the () and memory usage of each container in the last 15 minutes through the system management interface, so that the system usage can be viewed and possible problems can be discovered in a timely manner to ensure the normal operation of SMC.

39. The system administrator logs in to the SC through remote SSH. This login operation will be recorded in the SMC's Web security log.

True

False

40. When Little A was holding a video conference, he found that the image was unclear and the overall image was dark. Please analyze it based on the optical principles of video conference construction. Which of the following is the most likely reason?

Insufficient illumination!

The light is too bright

The network is unstable

There is interference from strong signal sources around

Page 5 of 15

41. How many ways can a venue join an IVR conference?

42. In the idea of locating conference faults in the SMC video conferencing system, which of the following options do engineers need to specify for conference parameters? (Multiple choice)

Identify the type of meeting

Clarify the conference bandwidth

Clarify the conference resolution and frame rate

Clarify the conference video protocol

43. Which of the following sub-protocols does the H.225 protocol include? (Multiple choice)

RAS

460

239

931

44. () frame does not have complete picture data, only data that is different from the previous frame.

45. In the scenario where a large-scale SMC video conferencing system exists in the DMZ zone, the NAT address of the SMC needs to be configured on the external network firewall.

True

False

46. After adding a new SC through the SMC Web page, it is displayed that the SC addition failed. What may be the following reasons? (Multiple choice)

The target SC service is not started.

The target SC has not been installed or the installation failed.

Port 8443 on the target SC server has been opened.

The passwords of the smc_device_mgmt and smc_conf_mgmt accounts on the target SC have been changed.

47. In the H.323 protocol, which of the following options does not include what we usually call a node?

MCU

Terminal

Gateway

48. When the color rendering index is low, it will affect the image (), and the color of the video image will be greatly different from the original image.

49. HW Cloud Which of the following conference rooms can a Link soft terminal conference user join through the "Join Conference" tab? (Multiple choice)

Join a public virtual meeting room of the same organization

Join a public virtual meeting room of another organization

Join a personal virtual meeting room of a user in the same organization

Activate with the chairman password and join a personal virtual meeting room of a user in another organization

50. Huawei's video product fault locating methods can be summarized as follows: first, follow the vines, learn step by step, be bold and careful, and pass on the firepower from generation to generation.

True

False

Page 6 of 15

51. VDC is equipped with Huawei video conferencing platform, which provides rich conference control functions, supports customized conference control settings, and can set conference control shortcut keys and conference control descriptions.

True

False

52. () adopts the broadcast method, and all ports can receive each data sent. Users can connect to this device and use packet capture tools such as Wireshark to capture data packets sent to the device on the network and data packets sent by the device to the network.

53. SDP (Session Description Protocol) is a transport layer control protocol used to describe multimedia sessions.

True

False

54. Before encoding and compression, one frame of a 720p 30fps video occupies 42Mb of storage space, so the color depth used is 24bit.

True

False

55. Regarding the following description of "whiteboard scanning mode" in the whiteboard saving function of IdeaHub Pro, which options are correct? (Multiple choice)

Private network: Use WeLink client to scan the QR code.

None: Do not display the "Scan QR Code" tab.

Other third-party applications: After configuring the third-party server, use the corresponding third-party application to scan the code.

Browser: Within the same local area network, use the browser of your mobile device to scan the QR code.

56. When analyzing network messages, the Wireshark tool is often used. Please match the following Wireshark packet filtering expressions and their descriptions one by one:

57. CANEL transactions can be used for both CANCEL INVITE transactions and CANCEL non-INVITE transactions.

True

False

58. Which of the following descriptions of the three elements of acoustics are correct? (Multiple choice)

Pitch indicates the strength of the sound, and the amplitude of the sound wave determines the pitch.

You can identify different people by their timbre.

Pitch is mainly determined by the frequency of the sound and is also related to the intensity of the sound.

Loudness indicates the strength of the sound, and the amplitude of the sound wave determines the loudness.

59. Which of the following color sampling methods has a compression rate of 50%? (Multiple choice)

4:1:1

4:4:4

4:2:0

4:2:2

60. In the following description of the performance and capacity of the RSE6500, which one is wrongly selected?

Maximum number of online users (including registered users and visitors) 2,000

Maximum number of online conference terminals (including live broadcast and on-demand) 100

Supports recording 40 meetings at the same time, no video format restrictions

Supports recording 30 meetings at the same time, no video format restrictions

Page 7 of 15

61. Please provide the following terminal call status parameters and their descriptions - corresponding

62. The opening process of the logical channel in the H.323 protocol follows the principle of "whoever transmits, who opens".

True

False

63. Please check the recording server Cloud Steps to add sysadmin on RSE sorted

64. In the collaborative solution architecture, which of the following network elements belong to the media processing layer? (Multiple choice)

Cloud Link Box300

Cloud RSE

SMC

VP9860

65. In the header field of the SIP protocol, Via is used to identify the initiator of the request.

True

False

66. During a point-to-point call under different GKs, LRQ queries the neighbor GK for the called node information through the GK routing prefix.

True

False

67. When logging in to SC as the admin user through the command line for the first time, you need to select which of the following operations to perform?

Configure SC’s default route

Delete user configuration

Change the default password

Configure SC IP

68. Usually we use PCK coding, that is, the continuously changing d signal is converted into an e signal through three sequential steps of a, b, and c.

Which of the following options fits the description of abcde?

Quantization, sampling, encoding, digital, analog

Sampling, quantization, encoding, analog, digital

Sampling, encoding, quantization, analog, digital

Encoding, quantization, sampling, digital, analog

69. The license information of RSE6500 shown in the figure, which of the following conclusions can we draw? (Multiple choice)

If the user has enabled the live broadcast of 4 multi-party conferences on the SMC, the recording function cannot be enabled for the fifth multi-party conference.

Regardless of whether the user uses a mobile phone or a computer to watch on-demand videos, the RS6500 only supports a maximum of 500 users watching online at the same time.

The RSE6500 supports users to start live streaming of 4 multi-party conferences at the same time on the SU

If the user has enabled the recording of 4 multi-party conferences on the SC, the live broadcast function can be enabled for the fifth multi-party conference.

70. Please correspond to the following conference acoustic improvement goals and methods.

Page 8 of 15

71. Operation and maintenance originally means operation and maintenance. Operations and maintenance personnel are responsible for the normal operation of which of the following options? (Multiple choice)

Picture monitoring system

System management

Device Management

Park security

72. Effective field of view

Horizontal viewing angle 20-30°

Horizontal viewing angle is less than 10°

Horizontal viewing angle is greater than 30°

Horizontal viewing angle 10-20°

73. In the video conferencing system, if other terminals have not joined the conference and there is echo or howling when speaking at the local single-select venue, which of the following options can be used by the local venue to troubleshoot?

Is the sound cancellation processing algorithm abnormal?

Whether the mixer or audio matrix loops back the terminal output sound to the input

Confirm whether the gain of the local amplification equipment is too high.

Whether the speaker and microphone are close to each other.

74. The filter condition expression "ip.src==192.168.1.9&&ip.dst==192.168.1.200" means to filter out all packets of the device with the source IP address 192.168.1.9 and the destination MAC address 192.168.1.200.

True

False

75. Which of the following options are correct regarding the terminal troubleshooting function and its description? (Multiple choice)

Routing test: Simply determine the address route of the destination of the data packet through routing test.

Loopback test: Simulate the actual application of audio and video data and transmit it on the channel to test whether the expected output can be obtained. Video self-loop needs to be selected when executing the task.

Network test: Test the network interoperability between the terminal and other network element equipment through the network.

Signaling diagnosis: The hard terminal supports Web administrator users to conduct signaling diagnosis and export diagnostic files.

76. Please correspond the following MCU faults and solutions one by one:

77. A video conferencing terminal successfully registered to SC through SIP protocol (using TLS protocol for transmission).

Which of the following descriptions of the registration process is correct? (Multiple choice)

By default, SC registration port is 5060

The first registration message sent by the terminal to SC is REGISTER

By default, the registration keep-alive interval between SC and terminal is 300 seconds.

When sending a registration request to SC, the terminal needs to apply to SC in advance to establish a TCP link.

78. Which of the following descriptions of the SIP protocol format are correct? (Multiple choice)

SIP message consists of a start line, a message header consisting of one or more fields, a blank line marking the end of the message header, and optionally

SIP messages are encoded in text mode

SIP messages are only client-to-server requests

SIP messages only have server-to-client responses.

79. The code stream speed of a 1080P 60fps analog TV signal after digitization is approximately () Mbps.

80. SMC system administrator needs to upload an icon when adding an application. Which of the following options meet the requirements of the SMC system? (Multiple choice)

Icon name: Huawei.png, 128*128 pixels, 128k

Icon name: Huawei.gif, 256+256 pixels, 512k.

Icon name: Huawei.jpeg, 128+128 pixels, 196k.

Icon name: Huawei.jpg, 128+128 pixels, 256k.

Page 9 of 15

81. As can be seen from the picture, the venue cannot receive the video of the remote venue during the conference. Which of the following measures can the user take to locate the cause of the fault? (Multiple choice)

Check the video input status of the remote site

Check the remote site camera status

Check the video input status of the local venue

Check the microphone status of the local venue

82. If a certain channel of voice uses G.728 encoding (the total length of the Ethernet/IP/UDP/RTP header is 60bytes, the encoding rate is 64kbps), and the packaging time is 20ms, then the IP bandwidth required to transmit this channel of voice is approximately which of the following options?

96kbps

88kbps

80kbps

64kbps

83. The figure below shows a screenshot of the data packet of a certain video stream. From the information provided in the figure, which of the following conclusions can be drawn? (Multiple choice)

When the video stream is encoded, it only contains I frames and P frames, but does not include B frames.

The data packets currently transmitted by this video stream use inter-frame coding

When the video stream is encoded, it contains I frames, P frames and B frames.

The data packets currently transmitted by this video stream use intra-frame encoding.

84. Which of the following are SC application layer accounts? (Multiple choice)

user

admin

scoperator

sys

85. The hardware in the new generation of ldeaHub provides powerful computing power. Which of the following options are included in the hardware that provides computing power? (Multiple choice)

TPU

CPU

GPU

NPU

86. IdeaHub uses H.265 for both the main video and auxiliary stream encoding and decoding protocols. Combined with Huawei’s proprietary active video enhancement technology (VME), it can obtain 4K 30fps video and up to 8K data experience.

True

False

87. In the header field, Via is used to indicate the SIP entity and routing response that the request passes through.

True

False

88. Which of the following options is not the main cause of blocking effects when using H.264 encoding? (Multiple choice)

The quantization level of the coding block jumps, causing brightness bursts at the boundary.

Unreasonable division of macroblock coding modes, resulting in false edges

The macroblock is in an area of intense motion, with large differences, resulting in obvious edges.

The deblocking filter (Deblocking) is not strong enough, resulting in insufficient smooth edges.

89. A European company convenes a meeting through IdeaHubS2. After the meeting, it needs to save the content written on the whiteboard. Which of the following methods can be chosen? (Multiple choice)

After configuring the email address, save it by sending it via email.

Use the scan function of the mobile client that matches the QR code on the interface to scan the code and take it away.

Save or export the whiteboard content to a local or USB device by opening the whiteboard save local.

Save through Huawei Cloud WeLink conference platform.

90. According to the H.323 protocol, which of the following signalings are required to complete the master-slave decision process?

TCSR, TCSA

MSDR, MSDA

GRQ, GCF

DRQ, DCF

Page 10 of 15

91. Which of the following information can be obtained through the MCU debugging command bnrm allconf? (Multiple choice)

Meeting rate

Conference name

Number of meetings

Total number of venues included in the conference

92. Conference room administrators can use Category 6 cables to the HT-RX interface on the Link Camera 200 Pro is connected to the Cloud Link Box 300.

True

False

93. Please review the following SMC venue meeting parameters and their examples - corresponding

94. The SC forms an area with the nodes under its management, and manages the nodes in the area according to prefixes. One SC can have multiple area prefixes.

True

False

95. In the scenario where SMC and SC are co-located, the SMC system administrator manually upgrades the SC version and decompresses the new version V600R019CL0SPCb21 upgrade package. Which of the following scripts should be executed?

sc_deployment_docker.sh

SMC_Docker.sh

Sc_update_docker.sh

ScinstallVithDocker.Tar

96. The virtual conference ID range of the SMC video conferencing system is configured in the range of 9100000-9299999. Then which of the following options may be the newly generated ordinary conference ID (not bound to the virtual conference room)? (Multiple choice)

9288889

9100009

9300001

9688889

97. Any color with opposite ends of the diameter of the color wheel is called a complementary color.

True

False

98. Which of the following scenarios is the SVC conference of the SMC video conferencing system more suitable for? (Multiple choice)

Traditional executive meeting scene

The terminal used is a TE terminal

A relatively free academic exchange scene

New expansion of the original fully adapted conference site SVC conference terminal

99. SC is independently deployed on X86 servers, and SMC system administrators manually upgrade the old version SCV600R0019C10SPCb25. After extracting the new version of the package, which of the following scripts should be executed?

Sc_update_docker.sh

Sc_deployment_docker.sh

Online_update_S sh

Deployment Sh

100. SIP is an application layer protocol, which is independent of the transport layer protocol below. It can be carried on different transport protocols, such as UDP/TCP/TLS/SCTP. TCP is currently the most commonly used.

True

False

Page 11 of 15

101. In a public-private network traversal scenario where SMC and SC are co-deployed on a bare metal server, SC supports data conference proxy and the internal and external networks support normal data interoperability.

True

False

102. Cloud The typical networking of Link Edge1000 intranet contains hard terminal 1 (only supports H.323) and hard terminal 2 (supports H.323/SIP). In a normal multi-point conference scenario, the following is about network element data and signaling. Which flow descriptions are correct? (Multiple choice)

When the conference is in progress, the system administrator performs signaling diagnosis on the SC and obtains the package Cloud the MCU side IP is 127.0.0.1

Hard terminal 1 sends SIP signaling flow to SC

Cloud MCU will send INVITE message to SC

Hard terminal 2-way Cloud NCU sends voice/video stream

103. In the integrated construction of conference rooms, try to use direct sound for sound pickup, and use reverberant sound appropriately for sound pickup. It is recommended that the direct sound for pickup is around ().

0.7

0.9

0.8

0.95

104. Huawei Cloud Link Edge 1000 does not include which of the following network elements?

Cloud MCU

SMC

Cloud RSE

105. On N1og's F1ash graphical interface, we can check the network status of the terminal by checking different data types. For example, after checking NRJ, the interface will display the jitter of the current terminal receiving data packets. Then, by checking _____, you can check the packet loss rate of the demo code stream received by the terminal.

106. Please correspond to the following camera screen display problems and their causes.

107. Which of the following statements are correct? (Multiple choice)

The video signal starts from being input to the terminal device, is encoded and compressed, and then sent to the network until it is finally displayed. It goes through many image processing links, mainly including: image acquisition, preprocessing, compression encoding, data encapsulation and transmission, decoding, Image format changes, playback.

In the video conferencing system, the camera converts each pixel in the image into three independent signals of RG

Since RGB is not conducive to compression, it needs to be converted to YUV format for processing first.

In the video conferencing system, the monitor will convert the HSV signal received from the camera into RGB format for display.

Before a video is compressed and encoded, one frame of the 1080p image occupies 9.5Mb of storage space, so its color bit depth is 24bit.

108. Which of the following descriptions about the SIP protocol are correct? (Multiple choice)

SIP is a transport layer protocol

SIP is a protocol developed by IEIF for multimedia sessions.

The SIP protocol adopts a distributed architecture

SIP is an application layer protocol

109. The organizational structure of a certain video conferencing system is as follows: a tree structure. There is a public virtual conference room A1 under organization A, and a public virtual conference room B2 under organization B. Which of the following options are correct for the description of the administrator rights of the conference system? (Multiple choice)

The conference administrator under organization B can see the public virtual conference room A1 under organization A and the public virtual conference room B2 under organization B in the conference management system.

The meeting administrator of organization A and the meeting administrator of organization B can only see the public virtual meeting rooms under their respective organizations.

The conference administrator under organization A can see the public virtual conference room A1 under organization A and the public virtual conference room A1 under organization B and the public virtual conference room B2 under organization B in the conference management system

The conference administrator under the root organization can see the public virtual conference room A1 under organization A and the public virtual conference room B2 under organization B in the conference management system.

110. The figure describes the process of echo formation. ~' technology is used in video conferencing to solve this problem.

Page 12 of 15

111. Usually, the actual bandwidth occupied by video conferencing is higher than the conference bandwidth. What are the possible reasons? (Multiple choice)

The IP data header occupies a certain bandwidth

UDP data header occupies a certain bandwidth

Signaling interaction data occupies a certain bandwidth

Packet loss and retransmission occupy a certain bandwidth

112. When GK agrees to the terminal’s registration request, which of the following response messages will be sent?

RCF

RRJ

URJ

ARJ

113. H.323

OPTIONS

INVITE

LRQ

RRQ

114. A gatekeeper can send an address resolution request to other gatekeepers through which of the following signalings?

RRQ

GRQ

LRQ

URQ

115. If there are multiple RCUs (VP98X0VP96X0, Cloud NCU, etc.), when summoning an H.264 1080 During the p30 SVC conference, the system will randomly select one of the MCUs as the conference access.

True

False

116. A video conferencing terminal successfully registered to SC through SIP protocol (using UDP transmission protocol).

Which of the following descriptions of the registration process is correct? (Multiple choice)

The first registration message sent by the terminal to SC is REGISTE

By default, the registration keep-alive interval between SC and terminal is

When the terminal sends a registration request to the SC, it needs to apply to the SC in advance to establish a TCP link.

By default, SC’s registration port is 5060.

117. Which of the following refers to the functionality of extending the request NOTIFY?

Identify the reliability of provisional responses

Send event status to status server

Send a notification event

Request an instant message

118. Timbre represents the sensory characteristics of sound, which is mainly determined by the frequency of the sound. Different people can be identified by their timbre.

True

False

119. A transaction contains several parts, which part is not necessary?

Zero or more provisional responses

A final response

A request message

ACK

120. John encountered the following error when deploying the SMC and SC joint scenario. To interpret this sentence, which of the following options are correct? (Multiple choice)

Docker: Error response from daemon: Requested CPUs are not available - requested 36-47, Available:0-39.

In this co-location scenario, the SC service requires 36-47 cores. Qi certified

Docker reports an error. Docker can only use 40 cores when executing this deployment.

The server has sufficient logical cores.

Docker reports an error that the requested CPU36-47 core is unavailable.

Page 13 of 15

121. Which of the following operations-related signaling needs to be processed by SC? (Multiple choice)

Initiate a multipoint conference on SMC2.0

Two soft terminals hold a point-to-point conference by calling numbers

Two terminals hold a point-to-point conference by calling IP addresses.

Multi-screen broadcast during the conference

122. Which of the following does not belong to Huawei's multi-functional collaboration features?

Writing with pen edge

Ejection expression

Gesture Erase

Two people writing the same book

123. Please correspond to the video types and purposes of the following recording and broadcasting equipment:

124. A SIP message consists of a start-line, a message header consisting of one or more fields, an ending blank line (CRLF), and a required message body (message boby).

True

False

125. MSDA is a master-slave decision response message. The Master or Slave flag carried in it tells the other end what the status of the two points is.

True

False

126. Which of the following registration information does RRQ carry to initiate registration with GK? (Multiple choice)

323ID

IP address

MAC address

Port number

127. Which of the following descriptions are correct? (Multiple choice)

Cloud RSE belongs to conference resources

The ASR server belongs to the conference resource back

Cloud MCU belongs to conference resources

SC belongs to access resources

128. The version of IdeaHub of S Company is 20.XX. If you want to enable the smart writing function, you need to upgrade to the latest version 21.XX.

True

False

129. Under videoconferencing services, when calls from the public network to the private network are blocked, interoperability can be achieved by modifying private network messages. Which of the following public-private network traversal technologies are generally used? (Multiple choice)

SNP

ALG

Static NAT

460

130. When using Wireshark to analyze packets, if you want to filter out the packets sent by terminal T1 (IP address 192.168.1.100) to SC (IP address 192.168.1.212), which of the following filter condition expressions can be used to filter?

ip. src==192.168.1.100 and ip. dst==192.168.1.212

ip. dst==192.168.1.100 and ip. src==192.168.1.212

ip.addr==192.168.1.100 and ip.addr==192.168.1.212

ip. addr! =192.168.1.100 and ip. addr!X:ospf666=192.168.1.212

Page 14 of 15

131. The SIP protocol is designed based on the C/S architecture. The network server in the SIP protocol usually refers to which of the following servers? (Multiple choice)

Proxy server

Session Server

Redirect server

132. When entering the screencast code into IdeaShare on a mobile phone or PC to cast the screen, the interface prompts "Connection failed, please check whether the screencast code is correct and whether the network is available." This may happen because the mobile phone/PC and IdeaHub are not connected to the same network or because the port is restricted.

True

False

133. The Q.931 protocol is a protocol used for information exchange between the gateway and the gatekeeper. It is mainly responsible for signaling processing during the call process.

True

False

134. Huawei’s smart collaboration solution uses Auto-Framing radio selection technology, which automatically adjusts the screen layout according to changes in participants to present the best viewing angle.

True

False

135. A SIP user needs to register with the server every time he powers up.

True

False

136. John is an SMC system operator. He tries to deploy SMC and SC co-deployment on a new bare metal server that meets the minimum requirements for co-deployment. Which installation scenario should he choose?

MEDIUM

Cloud Link Edge 1000

LARGE

STANDRD

137. For the SDP protocol, line c contains information about the connection established for the multimedia session, which indicates the IP address used by the real media stream.

True

False

138. John uses HW Cloud When Link Kobile connected to the company's video conference, due to network reasons, the video packet loss rate reached 20%. At this time, it could still display the video screen normally without blurry screen, mosaic and other phenomena.

True

False

139. When two terminals are making a point-to-point number call, when will the called single-selection terminal send a call request to GK?

After the called party sends the connect message A

After receiving the setup signaling, the called party

After the called party sends call proceeding

After the called party conducts master-slave negotiation with the calling party

140. A certain terminal's calling call set fails. Which of the following measures can the user take to locate the cause of the failure? (Multiple choice)

Check the GK registration status of the terminal

Check the SIP registration status of the terminal

Check whether the terminal has Do Not Disturb enabled

Check the terminal’s network connection status

Page 15 of 15

141. If the conference networking type of the SHC video conferencing system is configured as "Full Adaptation Networking", which of the following options should the SHC system administrator configure after the SKC initialization configuration? (Multiple choice)

Configure the service area type as SVC

Add registered SC

Multi-channel value configuration

Add MCU to Default service area configuration

142. When using the remote control wizard to operate ldeaHub, which of the following functions cannot be achieved?

Increase or decrease volume

Click the laser pointer to select

Turn pages up and down

Laser pen selected area

143. Which of the following devices provide or support 4K Ultra HD codec capabilities? (Multiple choice)

HW LED conference all-in-one machine

Room Presence 65s

VP9830-T

RSE8800

144. In different scenarios, which of the following descriptions of video compression methods are correct? (Multiple choice)

When most of the image contents between two consecutive frames are the same, transform coding can be used for compression.

When most of the image contents between two consecutive frames are the same, motion prediction can be used for compression.

When the contents of a certain area in the same frame of image are the same, motion estimation can be used for compression.

When the contents of a certain area in the same frame are the same, transform coding can be used for compression.

145. A video conference terminal initiates registration with the SC through the SIP protocol. The registration message received by the SC side is as shown in the figure below. Then the protocol type of the terminal’s SIP signaling transmission is ()

146. Which of the following types of RTCP messages is used to describe the source of sending RTCP packets?

SDES

APP

147. Please match the following codes and coding types one by one

148. Use () to accurately position the color temperature.

149. AVC conference is also called multi-stream conference.

True

False

150. In the following description of the video conferencing terminal using the SIP protocol to register, which option is wrong?

When the video conferencing terminal uses the TLS protocol for transmission, the terminal needs to apply to the SC in advance to establish a TCP link before registering with the S

When the video conferencing terminal uses the UDP protocol for transmission, the terminal needs to apply to the SC in advance to establish a TCP link before registering with the S

When the video conferencing terminal uses the TCP protocol for transmission, the terminal needs to apply to the SC in advance to establish a TCP link before registering with the S

When the video conferencing terminal establishes a TCP link with the SC before registration, the TCP link will remain in existence and will only be released when the terminal logs out.

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