Free HCIP-Video Conference V2.0 H11-861_V2.0 Sample Questions To Test Yourself

test2022-04-03T09:24:26+00:00

By test H11-861_V2.0 real dumps, H11-861_V2.0 Sample Questions, HCIP-Video Conference V2.0 0 Comments

Are you anxious about your H11-861_V2.0 HCIP-Video Conference V2.0 exam? To get your desired Cisco certification, you must practice with FreeTestShare H11-861_V2.0 sample questions. It contains real questions and answers for you to practice. Only a week of preparation is required to pass the HCIP-Video Conference V2.0 exam with flying colors. FreeTestShare 100% real H11-861_V2.0 dumps contain real exam questions and answers to help you pass H11-861_V2.0 exam on the first try.

This free practice test can now be used to assess your preparation.

Page 1 of 12

1. The alarm light on the MCU main control board is red, and the message "Insufficient license resources" is displayed when scheduling a conference. The possible reason is that the license of the MCU does not match the actual hardware configuration of the MCU.

TRUE

FALSE

2. Common SIP call SDP negotiation process includes? (Multiple choice)

Invite with SDP, then 2xx response with SDP

Invite with SDP, reliable lxx response with SDP, final 2xx response without SDP

Without SDP

Both Invite/Relnvite and final response (2xx) are processed with SDP

3. mcu wall-mounting mode needs to modify the firewall in the original network, (such as open ports)

TRUE

FALSE

4. What are the three types of video frames encoded by H.264?

A, Q, P

B, I, P

C, Q, B

T, C, B

5. In the H.460 networking, which signaling transmission phase is the transmission keep-alive duration, keep-alive port, and keep-alive field in?

ARQ message

In the ACF message

The OLC is in the process of opening the logical channel

In the IIR message

6. The response message is used to respond to the request message, indicating the success or failure status of the call. Different types of response status are distinguished by the status code. The status code contains a three-digit integer, and the first bit of the status code is used to define the response type and the other two bits are used to further describe the response in more detail.

TRUE

FALSE

7. Nlog v2.0 can export file formats including? (Multiple choice)

DoC

csv

EXE

Txt

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

TRUE

FALSE

9. Dynamic dual stream, follow () standard.

320

323

245

239

10. PCM coding mainly includes three processes: sampling, quantization, and coding.

TRUE

FALSE

Page 2 of 12

11. Dynamic dual streams can support simultaneous transmission () of independent video images to the far end.

12. () adopts the broadcast method, every time a data is sent, all ports can receive it. Users can connect to this device and use packet capture tools such as Wireshark to capture packets sent to the device on the network and packets sent from the device to the network.

Hub

13. In which protocol layer does NAT mainly work?

Data link layer

Application layer

Network layer

Transport layer

14. The usage rule of cascading channels is to occupy by priority, and resources are mutually exclusive at the same priority.

TRUE

FALSE

15. Wireshark is a network packet analysis tool. Its main function is to capture network packets in real time on the interface and display detailed protocol information of the packets in detail.

TRUE

FALSE

16. During the working process of the master GK, the GK address registered by the terminal is the master GK address.

TRUE

FALSE

17. The color temperature affects the reproducibility of the color of the video image. The higher the color temperature, the better the color.

White

bluish

Reddish

yellowish

18. What parts must a transaction contain? (Multiple choice)

ACK

Zero or more provisional responses

A final response

A request message

19. The design purpose of the terminal auxiliary IP is to allow users to log in the terminal to configure or debug in the local area network, which can be used for the main business.

TRUE

FALSE

20. Which of the following is not a disadvantage of forward error correction?

Occupies more bandwidth

Reduce video effects

There is a certain delay

Intensifies the jitter of the image

Page 3 of 12

21. RAS performs management functions, the main contents include? (Multiple choice)

Registration

Access Control

Security

Status

22. Please make a one-to-one correspondence with the following terminal conference control and function descriptions:

23. The stretching mode is full-screen stretching according to the output ratio, and part of the image will be captured.

TRUE

FALSE

24. The () protocol can be used to traverse public and private networks by devices that support the H.323 protocol.

460.18

25. After the terminal enables the NAT setting, the content of the sent packet can be changed, which can be used in static NAT networking mode and DNAT/NAPT networking mode.

TRUE

FALSE

26. Which of the following descriptions of the advantages and disadvantages of forward error correction (FEC) are correct? (Multiple choice)

It has high requirements for delay and is difficult to use on the existing network; it is only effective for small packet loss scenarios; it aggravates image jitter

Basically does not occupy bandwidth resources, and has little impact on image quality

Added redundant data, occupies a certain bandwidth, and reduces the video effect; there is no solution for sudden packet loss; a certain delay is introduced

The packet loss data with a certain probability can be recovered by the method of packet combination verification, which is more effective for general packet loss scenarios

27. H.323 ALG can only be used with certain firewalls.

TRUE

FALSE

28. The core of NAT mapping is to modify the packet header (source address) of the data packet and convert the source address into a NAT address.

TRUE

FALSE

29. The RAS message is a kind of message specified by the H.225.0 protocol. It is a protocol used between nodes and gateways to perform management functions, mainly including registration, access control, and status.

TRUE

FALSE

30. The gatekeeper sends an address resolution request to other gatekeepers. Which signaling can realize this function?

LRQ

URQ

RRQ

GRQ

Page 4 of 12

31. H.460 signaling interworking scheme ().

The public network terminal adopts

460 protocol communication

Private network terminal uses

460 protocol to communicate

Both public and private network terminals use the standard

323 protocol to communicate

The above statement is wrong

32. What are the main ways of NAT mapping? (Multiple choice)

Static address mapping

Port Mapping

Protocol Mapping

Dynamic Address Mapping

33. What is the reason for the call failure can be seen from the logs captured above?

The callee is busy

Insufficient call bandwidth

Failed to negotiate capabilities

The callee is offline

34. The intelligent control system includes video system, audio system and others. Which of the following is not a video system?

Video Input System

Pickup System

Lighting system

Video Display System

35. Which of the following functions does the gatekeeper provide? (Multiple choice)

Address translation

Access Control

Bandwidth Control

Conference Control

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

TRUE

FALSE

37. SMC platform, as Huawei's video service management platform, manages and schedules video conferences in a unified manner, can realize all conference control operations in video conferences, and can provide customers with a convenient and fast conference management experience.

TRUE

FALSE

38. The SMC platform, as Huawei's video conferencing service management platform, manages and schedules video conferences in a unified manner, can realize all conference control operations in video conferences, and provide customers with a convenient and fast conference management experience.

TRUE

FALSE

39. MSDR is the master-slave decision rejection message. If the result of capability exchange is inconsistent with the local setting, MSDR will be replied.

TRUE

FALSE

40. The H.323 gateway refers to the node that provides real-time bidirectional services between the H.323 terminal on the SCN and other nodes on the PBN.

TRUE

FALSE

Page 5 of 12

41. When using the MCU wall-mounting mode, it is necessary to modify the firewall in the original network (such as open ports).

TRUE

FALSE

42. As shown in the figure, configure the "()" parameter of the recording server to remind the user to deal with it in time when the recording space is insufficient.

Recording space threshold (%)

43. A transaction can only be identified by a unique branch.

TRUE

FALSE

44. The packet capture of network data flow can be mainly achieved in which of the following ways? (Multiple choice)

Go back to the multipoint conference and capture it directly on the monitoring computer

Back to point-to-point, capture directly on the monitoring computer

Capture the data by multiplexing the detected port by using the hub

Use the port mirroring function of the switch to capture

45. When DVI output, 9039S and 9039A can support 1080P 60fps main and auxiliary stream input resolution, what resolution can the auxiliary stream reach at this time?

1080P

7201

10801

720P

46. The advantages of static NAT include () (Multiple choice)

The terminals in the private network are the same as the public network terminals. The public network terminal can directly call the public network address after the NAT of the private network terminal.

The terminal behind the NAT is protected by a firewall.

Answer Most terminals support the NAT function.

It is very practical and convenient when there are a small number of private network terminals that need to access the public network.

47. The IP addresses of FE, GEO and GE1 cannot be in the same network segment, otherwise, network failure will occur. At this time, the ALM indicator on the front panel is always on.

TRUE

FALSE

48. People convert the corresponding mechanical vibration of sound into electrical signals, which are collectively referred to as audio signals.

TRUE

FALSE

49. The signal flow of the audio loop is?

Microphone->Audio Input->Audio Output->Speaker

Audio Output->Audio Input->Speaker->Microphone

Microphone->Audio Output->Audio Input->Speaker

Speaker Audio Input -> Audio Output -> Microphone

50. In the multi-channel cascade, what is the priority of the multi-channel usage of the upper and lower MCU?

have the same priority

Upper-level MCU>lower-level MCU

Upper MCU < Lower MCU

You can set it according to your needs

Page 6 of 12

51. Terminal control mainly refers to terminal call signaling, negotiation of logical channels and video and audio capabilities, and signaling such as conference control.

TRUE

FALSE

52. All MCU under the same service area must have the same prefix number.

TRUE

FALSE

53. When the GK resolves the called node belonging to the neighbor GK area according to the called number, the GK supports requesting the neighbor GK to resolve the called number.

TRUE

FALSE

54. Which of the following is an extension request? (Multiple choice)

MESSAGE

PUBLISH

OPTIONS

NOTIFY

55. Among the six basic request messages, () is used to query server capabilities.

OPTIONS

INVITE

ACK

56. When negotiating the voice codec capability in the SIP protocol, the voice codec supported by the local device is provided, including PCMU and PCMA. According to the RTP message shown in the figure, it can be seen that ( ) voice codec is selected.

PCMU

57. Which of the following description about the high-definition terminal is correct?

HD video terminal cannot communicate with SD video terminal

HD video terminal must be registered with GK to communicate

HD video terminal supports remote control of camera

The password of the web page of the HD video terminal cannot be empty

58. The terminal reads the camera data through ().

Video cable

Audio cable

Control Line

Infrared

59. The horizontal viewing angle refers to the angle between the viewer's eyebrows and the two ends of the screen in the horizontal direction.

TRUE

FALSE

60. Illuminance, expressed by the luminous flux received per unit area, expressed in lux (Lux, lx).

TRUE

FALSE

Page 7 of 12

61. The bandwidth limitation of the network segment may cause the terminal to fail to register with the GK.

TRUE

FALSE

62. RTCP can ensure the transmission quality through RR, and each participant receiving data must send RR.

TRUE

FALSE

63. The network packet loss model applicable to SEC2.0 is burst packet loss.

TRUE

FALSE

64. In the figure, select an attribute of the data packet, right-click and select the option in the () group to specify this attribute as a filter condition, which will take effect only after clicking Apply.

Apply as Filter

65. MSDA is a master-slave decision response message, and the Master or Slave flag carried in it refers to the state of the local end.

TRUE

FALSE

66. The height of the VP9650 MCU is () U, and there are () slots in total.

5, 3

4, 3

5, 4

4, 4

67. Which of the following statements about static NAT is correct? (Multiple choice)

The vast majority of terminals support the NAT function, with good compatibility

It is very convenient to use when there are a few private network terminals that need to access the public network

The static NAT method is used for networking, which is more secure.

68. The method for adjusting the horizontal included angle includes: when the screen width is fixed, adjusting the seat; adjusting the screen width can change the horizontal included angle.

TRUE

FALSE

69. The color temperature affects the white balance of the camera, and the complex color temperature will lead to the color cast of the image.

TRUE

FALSE

70. The H.460 protocol specifies that the H.323 signaling part of the public and private network traversal processing is?

460.18

460.19

460.20

460.21

Page 8 of 12

71. Illuminance, expressed by the luminous flux received per unit area, expressed in units of lux (Lux, lx).

TRUE

FALSE

72. Video conference room integration refers to an end-to-end solution that meets the user requirements for various scenarios in the conference room by using corresponding equipment in accordance with certain design principles in the construction of conference rooms.

TRUE

FALSE

73. When the MiniMCU is cascaded, the calls that are more than three cascaded levels will fail.

TRUE

FALSE

74. The MCU encodes the images of each terminal that needs to be added to the multi-screen combination, and then combines them into one image and transmits it to all terminals viewing the multi-screen.

TRUE

FALSE

75. Static NAT converts private network addresses into Internet addresses, and it is many-to-many. It does not guarantee that a private network address will be converted into a public network address.

TRUE

FALSE

76. The clear and smooth strategy is applicable to the H.264H.265 protocol. If there is no ability in the public ability, the clear and smooth strategy will not work.

TRUE

FALSE

77. The process of echo formation is described in the figure, and the () technology is used in video conferences to solve this problem.

HD-CALL

78. In the design of the conference room, it is necessary to avoid the direct illumination of the top light and metering from the top or outside the window, which will directly cause influence.

TRUE

FALSE

79. The SIP protocol is a () protocol.

Application layer

Data link

Network layer

Transport layer

80. The default working mode of the GE1 port of the MCU is?

Riding the Wall

Capture packets

Backup

Dynamic switching

Page 9 of 12

81. The user can create a video conference by calling the conference access number and then following the IVR prompt.

TRUE

FALSE

82. In any viewing mode, the venue can watch any other venue.

TRUE

FALSE

83. What information is not included in the IP header in the SETUP message? (Multiple choice)

Caller CS addr

Caller RAS addr

Callee CS addr

GK RAS addr

84. When the MCU works in the wall-mounting mode, GE0 and GE1 must be on two different network segments, and the GE0 (or GE1) of all boards must be on the same network segment.

TRUE

FALSE

85. RRJ send to [(218.5.64.98:18616)] [5928509444] [[0x00000065: err reg wrong account or pass work]]

From the above log, it can be concluded that the reason for the registration failure is?

Account password is wrong

Network segment registration restrictions

Network Segment Bandwidth Limitation

The communication line is abnormal

86. The voice enhancement technology Jitter Buffer uses a signal wave of human intervention to eliminate the echo signal generated during the communication process, while retaining other normal voice signals to achieve the normal use of communication.

TRUE

FALSE

87. Several widely used video compression standards include: H.261, H.263 and H.264, and MPEG-1, MPEG-2 and MPEG-4. Its H.26X series of standards are mainly used for real-time video communication, and the MPEG series of standards are mainly used for video storage (DVD), video broadcasting and video streaming.

TRUE

FALSE

88. During a point-to-point number call, H.245 will perform capability set matching before opening a logical channel.

TRUE

FALSE

89. RRQ carries registration information () to register with GK. (Multiple choice)

Port number

MAC address

323 ID

ip address

90. The video signal starts from the input terminal equipment, encodes and compresses it and sends it to the network, and finally displays it. There are many images processing links in the middle, mainly including: IP camera, preprocessing, compression encoding, data encapsulation and transmission, decoding, image format change and play.

TRUE

FALSE

Page 10 of 12

91. Which of the following statements about high-definition terminals is correct? (Multiple choice)

140 subtitles include banners, middle subtitles and instant messages, which can be displayed on different output ports through configuration

Select the output interface to display

239 to display the main stream and auxiliary stream at the same time

The clear and smooth strategy does not require special settings. Set the main and auxiliary video protocols to Auto in the "Conference Parameters" of the terminal TEB page, and the clear and smooth strategy will take effect during the call.

Camera parameters such as exposure mode and white balance mode can only be set on the terminal web page

92. SIP messages are encoded in text mode.

TRUE

FALSE

93. Auxiliary streams can only be displayed on one monitor along with the mainstream, and cannot be displayed independently.

TRUE

FALSE

94. A terminal with built-in mini-MCU function can hold a multipoint conference through the built-in MiniMCU, but the processing capacity will be limited.

TRUE

FALSE

95. The description of the recording and broadcasting server (CR101/CR102), which is wrong?

Support the conference in progress, users can watch the conference through PC browser, etc., similar to live broadcast

After the conference is over, the user can watch the conference recording saved on the recording server through the PC browser

The recording server supports the codec function

The recording server can record and on-demand the MCU media stream

96. The packet loss rate recorded by NLOG does not include packet loss of data equipment on the line.

TRUE

FALSE

97. Dynamic mapping can be the conversion of multiple private network addresses into one public network address, or the conversion of multiple private network addresses into multiple public network addresses.

TRUE

FALSE

98. H.323 can only be used on IP networks.

TRUE

FALSE

99. The dialog is uniquely identified by Call-ID, From Tag, To Tag, which can be modified after establishment.

TRUE

FALSE

100. Banners and subtitles are multicast.

TRUE

FALSE

Page 11 of 12

101. What upgrade methods are currently supported by MCU? (Multiple choice)

Web upgrade

FTP upgrade

Minimize upgrades

All of the above can be

102. An MCU can only belong to one service area, but a service area can have multiple MCU.

TRUE

FALSE

103. H.323 defines the H.323 gateway, gatekeeper, multipoint processor (MP), but does not define the multipoint conference control unit (MCU).

TRUE

FALSE

104. Which of the following protocols are encapsulated transmission protocols? (Multiple choice)

RTP

RSVP

RTSP

SIP

105. Capability exchange information includes? (Multiple choice)

TCS

TCSA

TCSR

IRR

106. Ways to improve building acoustics include? (Multiple choice)

Low reverberation time

Low background noise

Low corridor noise

Low controllable noise

107. Each RTP datagram consists of a header and a payload. The meaning of the first 12 bytes of the header is fixed, and the payload can be audio or video data.

TRUE

FALSE

108. The color difference (YPbPr) output supports both 16:9 and 4:3 output.

TRUE

FALSE

109. Please correspond the following meeting acoustic improvement goals to their methods one by one

110. Image format refers to the size or resolution of an image. Commonly used image formats include: SQCIF, QCIF, CIF, 4CIF, 16CIF, HD, and Full HD.

TRUE

FALSE

Page 12 of 12

111. In the multi-channel cascade feature, the maximum number of cascade channels between two MCUs in the same conference is 32 channels.

TRUE

FALSE

112. In the H.460 networking, the SETUP connection of the private network terminal is?

Public network terminal

MCU

113. What is the role of RTP protocol?

Conference Control

Real-time transmission

Call Signaling

Media Control

114. Which of the main functions of the gateway does not include?

Signal Conversion

Protocol Conversion

Conference Control

Data Transformation

115. The Call-ID header field is used as a unique identifier for a series of messages. In the dialog, in all requests and responses sent by each UA, the Call-id must be the same.

TRUE

FALSE

116. Regarding the HD terminal auxiliary IP, which of the following statements is wrong?

You can enter the terminal through this IP

Can be left blank

Used for terminal debugging in LAN

For main business

117. Which of the following socket on the MCU is the default service network port?

GE0

GE1

RS232