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Huawei H11-861 Exam Sample Questions | SPOTO

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Question #1
The To tag, From tag, and Call-ID define the SIP relationship between the user agent client (UAC) and user agent server (UAS), which refers to a dialog. ()
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #2
In the video system, Anti Packet Loss mainly has forward error correction FEC and packet loss retransmission ARQ. ( )
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #3
SEC: Super Error Concealment, is a kind of anti packet loss technology using ARQ algorithm. ( )
A. TRUEcorrect
B. FALSEcorrect
View answer
Correct Answer: AB
Question #4
Under IVR application scenario, by which way the terminal can not join a meeting?
A. conference call access numbercorrect
B. Call the MAC address of MCUcorrect
C. Call Unified Access Number
D. call the IP of MCU
View answer
Correct Answer: AB
Question #5
MCU built-in WEB includes multi-user management, address book management, conference management and equipment management.
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #6
Loudness indicates the strength of the sound, and which can determine the loudness?
A. The material of the sounding body
B. Sound intensity
C. Amplitude of sound wavescorrect
D. sound frequency
View answer
Correct Answer: C
Question #7
The recording request from a video terminals sent to the MCU and the MCU controls the record ing.()
A. TRUE
B. FALSE
View answer
Correct Answer: B
Question #8
The basic functions of the firewall include: content filtering, user authentication, VPN, application proxy, NAT, packet filtering & state detection, IDs and alarms, logs, etc.
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #9
According to the H.323 protocol, the signaling required to complete the process of capability exchange is?
A. DRQ, DCP
B. MSDR, KSDA
C. TCSR, TCSAcorrect
D. GRQ, GCF
View answer
Correct Answer: C
Question #10
The network port of the switch connected to the MCU must be: LOOM half-duplex.
A. TRUE
B. FALSEcorrect
View answer
Correct Answer: B
Question #11
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.
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #12
Multicast allows one or multiple senders (multicast sources) to send one data packet to multiple receivers at a time. ( )
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #13
In H.460 protocol, Which stipulates the H.323 media stream part of the public and private network traversing process? ( )
A. 460
B. 460
C. 460
D. 460
View answer
Correct Answer: A
Question #14
HD video terminal upgrade software format is ( ).
A.
B.
C.
D.
View answer
Correct Answer: AB
Question #15
Under the static NAT network, which is wrong about the signaling description of the public network terminal calling the private network terminal?
A. Callee Cs addr is the NAT address
B. Caller Cs addr is the NAT address
C. The DST address actually processed by the firewall is the private network terminal address
D. The DST address of the public network terminal is the NAT addresscorrect
View answer
Correct Answer: D
Question #16
For INVITE transaction, messages are retransmitted at intervals of () by default.
A. 500ms, 1s, 2s, 4s, 4s, 4s
B. 500ms, 1s, 2s, 4s, 8s, 16scorrect
C. 500ms, 1s, 2s, 4s, 8s, 8s
D. 500ms, 1s, 2s, 4s, 16s, 16s
View answer
Correct Answer: B
Question #17
The SR message in TCP is a sending report, which describes the sending and receiving statistics of the sending gateway.
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #18
In Multi - channel Cascading, the prioritie at using the multiple channels is ( ).
A. they are the same
B. Upper - level MCU > Lower - level MCU
C. Upper - level MCU < Lower - level MCU
D. user can define it
View answer
Correct Answer: B
Question #19
Call Setup Signaling SETUP refers to a message sent by the caller to the called, indicating that the call is wanted to be established.
A. True
B. False
View answer
Correct Answer: A
Question #20
What is the role of HD terminal LAN2 port ? ( )
A. for the main businesscorrect
B. local login terminal configuration, capture package
C. for main/standby switch with LAN1 portcorrect
D. for load sharing with LAN1 port
View answer
Correct Answer: AC
Question #21
Users can dial the MCU IP address and follow the IVR instructions to create a conference. ()
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #22
Packet loss retransmission ARQ, similar to TCP's retransmission mechanism, requires the peer to resend the UDP when the UDP packet loss of the video stream is detected in the network Stream, the receiving side stores the received stream in a certain cache, and only opens the decoding after receiving the retransmitted stream.
A. False
B. True
View answer
Correct Answer: B
Question #23
Illuminance, expressed by the luminous flux received per unit area, expressed in lux (Lux, lx).
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #24
Call setup signaling SETUP refers to the calling's message sent to the called, expressed the hope to establish a call. ( )
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #25
The network diagnostic tool supports remote diagnostic mode, and the network diagnostic tool remotely controls another network diagnostic tool to initiate a network diagnosis and judgment against other network diagnostic tools.
A. True
B. False
View answer
Correct Answer: A
Question #26
The methods for scheduling a conference that supports recording include ( ). (Select 3 answers)
A. Using the video phone
B. Using the SMC
C. Using the video terminal web interface
D. Using the telepresence system touch panel
View answer
Correct Answer: BCD
Question #27
The NLog is part of SMC, Huawei’s conference management software. ()
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #28
Which of the following description is correct about the relationship between RTCP port number and RTP port number? ( )
A. RCTP port number = RTP port number + 2correct
B. RCTP port number = RTP port number + 1correct
C. RCTP port number = RTP port number - 1
D. RCTP port number = RTP port number
View answer
Correct Answer: AB
Question #29
In H.323 protocol, opening the logical channel follows the rule of "who want to transmit, who open it". ()
A. TRUEcorrect
B. FALSE
View answer
Correct Answer: A
Question #30
Call process signal CALL PROCEEDING refers to the calling's message sent to the called, indicating that the call is being processed. ( )
A. TRUEcorrect
B. FALSEcorrect
View answer
Correct Answer: AB

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