HCIP-Video Conference H11-861_V2.0 Exam Dumps

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HCIP-Video Conference H11-861_V2.0 exam dumps have been cracked, which are good material for you to prepare for HCIP-Video Conference exam. In real Huawei H11-861_V2.0 exam, there are 60 questions, and you have 90 minutes to write the test. The required passing score of H11-861_V2.0 exam is 600. The available languages are English and Chinese. Free Huawei H11-861_V2.0 exam dumps are below.

Page 1 of 14

1. The SR message in TCP is a sending report, which describes the sending and receiving statistics of the sending gateway.

TRUE

FALSE

2. In multimedia services, RTP is used for real-time data message transmission, and RTCP is used to detect the service quality of RTP sessions.

TRUE

FALSE

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

TRUE

FALSE

4. Voice enhancement technology, automatic noise suppression ANR can solve the problem of the overall low or high call volume in the line.

TRUE

FALSE

5. Image format refers to the size or resolution of the image. Commonly used image formats include SOCIF, QCIF, CIF, ACIF, 16CIF, HD and Full HD.

TRUE

FALSE

6. The video signal starts from the input terminal equipment, encodes and compresses it and sends it to the network, and finally displays it. It has undergone many images processing links in the middle, mainly including: IP camera, preprocessing, compression encoding, data encapsulation and transmission, decoding, Image format changes, playback.

TRUE

FALSE

7. Full HD image resolution is?

1408 X 1152

1920x1080

1280x720

704X576

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

TRUE

FALSE

9. The arrangement of lamps and lanterns requires direct illumination to avoid diffuse reflection.

TRUE

FALSE

10. The color of the desktop should be adjacent to the skin color or gray, and avoid the same color as the skin color, the reflectivity of the desktop should be higher than the skin color to highlight the skin image.

TRUE

FALSE

Page 2 of 14

11. Loudness indicates the strength of the sound, and which can determine the loudness?

The material of the sounding body

Sound intensity

Amplitude of sound waves

sound frequency

12. The basic concept of white balance technology is "regardless of any light source, white objects can be restored to white", and the color cast phenomenon that occurs when shooting under a specific light source is compensated by strengthening the corresponding complementary color.

TRUE

FALSE

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

TRUE

FALSE

14. 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

15. Terminals with built-in mini-MCU function can hold multipoint conferences through the built-in MiniMcU, but the processing capacity will be limited.

TRUE

FALSE

16. 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

17. MCU built-in WEB includes multi-user management, address book management, conference management and equipment management.

TRUE

FALSE

18. When using the MCU wall riding mode, there is no need to add other devices for traversing the public and private networks.

TRUE

FALSE

19. The network port of the switch connected to the MCU must be: LOOM half-duplex.

TRUE

FALSE

20. Network recording service During the meeting, in addition to recording the content of the meeting, you can also watch it in real time through the live client.

TRUE

FALSE

Page 3 of 14

21. 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

22. Forward error correction (FEC), when the two parties establish a call and detect that the media stream packet loss exceeds 0.1% within 10s, the super error correction function will be enabled, and the super borrow correction function will divide a part of the call bandwidth. It is used to transmit redundant code streams that are resistant to packet loss.

TRUE

FALSE

23. Peer-to-peer network, diagnosis in the case of networking without public and private network traversal.

TRUE

FALSE

24. The Huawei NLOG software is part of the conference scheduling and management software, and is installed and used together with the SMC conference management software.

TRUE

FALSE

25. In H.460 networking, the RTP keep-alive code stream is?

Sent from the private network terminal to the public network terminal

The data sent by the public network terminal to the private network terminal

Sent by private network terminal to Ts

Sent by the public network terminal to Ts

26. Under the static NAT network, which is wrong about the signaling description of the public network terminal calling the private network terminal?

Callee Cs addr is the NAT address

Caller Cs addr is the NAT address

The DST address actually processed by the firewall is the private network terminal address

The DST address of the public network terminal is the NAT address

27. The basic functions of the firewall include: content filtering, user authentication, VPN, application proxy, NAT, packet filtering & state detection, IDs and alarms, logs, etc.

TRUE

FALSE

28. According to the H.323 protocol, the signaling required to complete the process of capability exchange is?

DRQ, DCP

MSDR, KSDA

TCSR, TCSA

GRQ, GCF

29. 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

30. A SIP message consists of a start-line, a header consisting of one or more fields (riold), a blank line (CRLF) that marks the end of the header, and an optional message body (message boby) composition.

TRUE

FALSE

Page 4 of 14

31. For the SDP protocol, line 0 contains parameters related to the session owner, where the first parameter indicates?

Network Type

Session identifier of the calling party

Address Type

The name of the session initiator

32. In the Contirmed state, both the calling and the called can terminate the Dialog through ByE.

TRUE

FALSE

33. The branch parameter of the CANCEL transaction is the same as the INVITE.

TRUE

FALSE

34. RTP runs on (), and each RTP message is encapsulated in a () datagram.

OTCP, TCP

OUDP, TCP

OTCP, UDP

UDP

35. The illuminance is based on the luminous flux received by the vertical plane. If it is irradiated obliquely, the illuminance will decrease.

TRUE

FALSE

36. The color rendering index refers to the measure of the degree of color conformity of an object when illuminated by this light source and by a standard light source. The smaller the value, the higher the conformity degree.

TRUE

FALSE

37. Huawei's video product fault location methods can be summarized as follows: food and grass first, follow the vines, step by step, bold and careful, and pass on the fire from generation to generation.

TRUE

FALSE

38. A firewall protects a network from attacks by "untrusted" networks, but must also allow legitimate communication between the two networks.

TRUE

FALSE

39. Among the four elements of packet filtering by the firewall, the conditions that can generally be omitted are?

Destination port

Source Port

Destination address

Source address

40. In H.460 networking, what is the code stream hole between the public network and private network terminals maintained?

Timed keep alive package

Tunnel

IRQ heartbeat message

No need to maintain, the stream channel is established after the hole is opened

Page 5 of 14

41. Which of the following messages is not a status query message?

IRQ

RRQ

IACK

IRR

42. When 2 MCU are cascaded, a conference is scheduled, and the upper and lower MCU join the conference as a virtual conference site respectively.

TRUE

FALSE

43. Response message "lxx", indicating?

Indicates that the request message contains a syntax error or the SIP server cannot complete the processing of the request message

Further action shall be taken to complete the request

Indicates that the request cannot be fulfilled on any SIP server

Indicates that the request message has been received and is being processed

44. The SIP protocol, the Session Initiation Protocol, is used to establish, control and release sessions.

TRUE

FALSE

45. SDP is a text-based protocol for media type, encoding scheme, address negotiation, etc. during session establishment.

TRUE

FALSE

46. CANCEL transaction can only be sent after a provisional response to an INVITE (including 100) is received before the final response.

TRUE

FALSE

47. For the SDP protocol, line c contains information on the connection established for the multimedia session, which indicates the IP address used by the actual media stream.

TRUE

FALSE

48. Color temperature is the most common indicator of the spectral quality of a light source, and the unit is Lux (lx).

TRUE

FALSE

49. 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

50. The final effect of a video conference is only related to the conference equipment itself, and has little to do with the integrated environment of various peripherals in the conference room.

TRUE

FALSE

Page 6 of 14

51. Colors with opposite ends of any diameter of the color wheel are called complementary colors.

TRUE

FALSE

52. 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

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

TRUE

FALSE

54. 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

55. GK must support BRQ, BCF r BRJ messages and accept all bandwidth modification requests.

TRUE

FALSE

56. The opening process of the logical channel in the H323 protocol follows the principle of "whoever transmits, whoever opens it".

TRUE

FALSE

57. The single value in the header field can only appear once in the message, such as Via, Route, etc.

TRUE

FALSE

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

TRUE

FALSE

59. For the SDP protocol, the m line is also called the media line, which describes the information such as the media type supported by the sender, and the second parameter is?

Transmission Protocol

Media name

Number of four payload types supported

Port number

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

OPTIONS

INVITE

ACK

Page 7 of 14

61. The auxiliary stream can be a moving image or the content of the computer desktop.

TRUE

FALSE

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

TRUE

FALSE

63. On the UDP layer, the H.323 protocol is divided into three categories, of which the functions of terminal control are not included?

TRANSFER OF DATA

Conference Control Signaling

Terminal call signaling

Negotiation signaling for logical channels and AV capabilities

64. 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

65. In the H.323 protocol stack, what is the protocol used by dual streams?

245

225

261

239

66. In June 2002, passed the SIP (), which is the core specification of the SIP protocol.

RFC3263

RFC3261

RFC3264

RFC3262

67. Message is the basic unit of SIP protocol, the basic interaction unit between client and server.

TRUE

FALSE

68. Which of the following messages is an extension request message?

MESSAGE

OPTIONS

INVITE

69. 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

70. The requirement of the video conference for the light source is that the color rendering index is greater than ( ).

150

100

Page 8 of 14

71. Cascading between MiniMCU, when calling by default, the calling party will be the main MCU, and the MiniMC that has been used as the main MCU will not be changed again in the conference.

TRUE

FALSE

72. High-definition video terminal (terminal for short) is a codec that processes audio and video streams and data streams.

TRUE

FALSE

73. When VGA output, the highest resolution is supported to ( ).

1366*768

1280*1024

1920*1080

1360*768

74. The code stream hole from the public network to the private network is opened by the redirection message of RTP. What is used to maintain it?

Subsequent RTP/RTCP stream maintenance

IRQ heartbeat message

Non-standard IRQ messages

No maintenance required

75. H.225 is used for media channel control, including call signaling (Q.931), and RAS messages between nodes and GK.

TRUE

FALSE

76. TCs refers to the capability exchange request, which is used to inform the peer end of the capability information of the local end.

TRUE

FALSE

77. According to the H.323 protocol, the signaling required to complete the master-slave decision process is ( )

TCSR, TCSA

MSDR, MSDA

GRQ, GCF

DRQ, DCF

78. The gateway in H.323 is between the circuit-switched network and the packet-switched network.

TRUE

FALSE

79. Direct sound refers to the sound signal that reaches the listener directly from the sound source. The meeting requires that the direct sound be the main one.

TRUE

FALSE

80. The configuration of the 3G network of the high-definition terminal, which of the following statement is correct?

To configure 3G network parameters, the license of the terminal needs to support 3G network

The default IP setting of 3G parameters is static

All 3G card HD terminals can be applied

APN in 3G configuration parameters is used for all data cards

Page 9 of 14

81. The data of NLOG V2 comes from ( )

SMC

Terminal

MCU

82. RTP is a real-time transmission control protocol: it provides end-to-end network transmission functions on multicast (multicast) or unicast (unicast) network services, suitable for applications to transmit real-time data, such as audio, video or Simulation data.

TRUE

FALSE

83. In the default configuration of the firewall, the communication from the network with high security level (intranet) to the network with low security level (Internet) is generally not restricted, otherwise the firewall will block it.

TRUE

FALSE

84. 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

85. T.140 subtitles are sent to the remote site separately, displayed on the monitor of the remote site, and superimposed on the local video image.

TRUE

FALSE

86. During the call, only one P frame is sent at the beginning of the establishment, and the subsequent video images are all encoded using the I frame.

TRUE

FALSE

87. According to the H.323 protocol, the message sent by the called party to the calling party indicates which message the called party has off-hook?

Alerting

Proceeding

Setup

Connect

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

Public network terminal

MCU

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

TRUE

FALSE

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

TRUE

FALSE

Page 10 of 14

91. The FEC forward error correction algorithm is an algorithm that sends redundant data at the sender and restores the code stream at the decoder according to the redundant data.

TRUE

FALSE

92. Dynamic dual stream, follow () standard.

320

323

245

239

93. The ( ) protocol is used to spread the code stream between the MCU and the network recording server.

323

Sip

RTP

94. 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

95. The response message is 3XX representation?

The request is received, processed, and successfully accepted

The request message has been received and is being processed

Further action is required to complete the request

Indicates that the SIP server fails to complete the processing of the correct message

96. 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

97. 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

98. The point-to-point call between terminals must use the MCU, but the multipoint conference can be scheduled without the MCU.

TRUE

FALSE

99. 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

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

TRUE

FALSE

Page 11 of 14

101. In the SMC2.0 system, which of the following users has the highest authority level?

Conference Administrator

Conference Operator

System administrator

System dispatcher

102. The color temperature range of warm colors is?

3000K~5000K

<3000K

>5000K

5000K-8000K

103. The three operating modes of Proxy include: Call Stateful, Stateless, and Transaction Stateful.

TRUE

FALSE

104. 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

105. 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

106. 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

107. Short message refers to the ability to send () information to a designated venue or all venues for communication between venues and information prompts.

Text

Video c. pictures

Forms

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

GE0

GE1

RS232

109. In the RTP message, Timestamp reflects the sampling instant of the first bit in the RTP data packet. The sampling instant accuracy must meet the synchronization requirements for synchronization and jitter calculations. The initial value of the time stamp is random, and then increases with the size of the packet data.

TRUE

FALSE

110. GK can only have one prefix.

TRUE

FALSE

Page 12 of 14

111. Banners are used to briefly display the content of the meeting, and subtitles are used to highlight the theme of the meeting.

TRUE

FALSE

112. Which of the following messages is used for endpoint registration?

RCF

ACF

LCF

INAK

113. 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

114. Network Address Translation (NAT) is used to convert between private network addresses and public network addresses.

TRUE

FALSE

115. 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

116. In multi-channel cascading, two MCU in one conference can support up to () channels of cascading channels.

117. During the active/standby switchover of the MCU main control board, the conference and site status on the SMC will be offline for about 10 seconds.

TRUE

FALSE

118. 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

119. How much ways for a site to join an IVR conference?

120. Wireshaik can capture packets of many types of network interfaces, except wireless local area network interfaces.

TRUE

FALSE

Page 13 of 14

121. Accept the message sent by the terminal to the gatekeeper about the gateway requesting deregistration, which of the following signaling can implement this function?

GRQ

RRQ

URQ

ARQ

122. 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

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

Riding the Wall

Capture packets

Backup

Dynamic switching

124. Omnidirectional pickup is suitable for large conference rooms, and directional pickup is suitable for small conference rooms.

TRUE

FALSE

125. In a video conference, the local noise is required not to be greater than ( ).

36dB

38dB

40dB

34dB

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

CANCEL

BYE

INVITE

ACK

127. When the private network terminal calls the public network terminal, when the logical channel is opened, what is the reason for the single pass of the media stream?

The firewall does not open the corresponding port

The public network terminal cannot find the private network address

The terminal cannot perform master-slave determination

The terminal cannot perform capability negotiation

128. In the registration signaling process, the terminal initiates which of the following messages to the GK indicates a registration request?

RCF

RRJ

RRQ

MSD

129. In the H.323 protocol, it is finally represented by the number 3 is?

Network based on B-ISDN

Based on a network with guaranteed quality of service

Networks based on Packet Transport Protocol

GSTN and Wireless-Based Networks

130. The establishment of the keep-alive packet in the H.460 media stream interworking scheme is established by which of the following protocols?

931

460.18

460.19

255.0

Page 14 of 14

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

Video cable

Audio cable

Control Line

Infrared

132. After the terminal enables the NAT setting, it can change the content of the packet sent, and which mode of NAT networking can be used to realize the intercommunication of public and private networks?

Static NAT networking

DNAT

NAPT

The above NAT networking is supported

133. Under the static NAT network, the packets of the private network terminal passing through the firewall will change. Which of the following description is wrong?

The terminal RAS addr becomes the address after NAT

The terminal CS addr becomes the address after NAT

NAT addr is the public network egress address of the firewall

GK RAS addr becomes the address after NAT

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

5, 3

4, 3

5, 4

4, 4

135. In the RTP specification (RFC3550), a total of () RTCP reports are defined to report the current control information.

136. Which of the following sockets on the MCU is the default service network port?

GEO

GE1

RS232

137. 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

138. Under the static NAT network, the change of the SRC address of the terminal under the private network is ( ).

No change

Convert to NAT egress address

Convert to any available public address

Convert to GK addr

139. During the point-to-point number call process, the terminal finally obtains the () of the peer terminal from the GK, thereby making a call.

Number

IP address

MAC address

VLAN ID

140. 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

HCIP-Video Conference H11-861_V2.0 Exam Dumps

HCIP-Video Conference H11-861_V2.0 Exam Dumps

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