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Free Huawei H11-879 Practice Questions & Answers 2026 Part2 | HCIE-Collaboration

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Question #1
Regarding MCU cascading, what is wrong in the following description?
A. MCU cascade is divided into manual cascade and automatic cascade
B. Manual cascading requires scheduling of two conference templates
C. Automatic cascading does not require configuration of cascading sites
D. Manual cascading must configure GK routing
View answer
Correct Answer: D
Question #2
In the central networking mode of the converged conference MCU, what is correct about the traversal of public and private networks? (Multiple selected)
A. TE/RP/TP access MCU through SC proxy signaling and media stream
B. eSpace Mobile accesses MCU C through SBC proxy audio and video media
C. External web client access MCU through MS proxy audio and video
D. eSpace PC connects to MCU through SC proxy signaling and media stream
View answer
Correct Answer: ABC
Question #3
In the remote disaster recovery scenario, when the master node (U1981) fails, POTS user A of a branch node (The branch site equipment is U1911). If you make an outgoing call to the local PSTN user B through the branch node, the network element through which the SIP signaling of the call passes is (------------)?
A. U1911->Preparation U1981->U1911
B. Prepare U1981->U1911
C. U1911
D. U1911->Main U1981->Backup U1981->U1911
View answer
Correct Answer: A
Question #4
If AAC_LD uses a coding rate of 48kbps and a packing time of 20ms, what is the IP bandwidth occupied by the codec () kbps
A. 6
B. 0
C. 4
D. 4
View answer
Correct Answer: D
Question #5
SMC2.0 does not support manually defining the number of channels for multi-channel cascading ().Right or Wrong
A. ight
B. rong
View answer
Correct Answer: B
Question #6
In the remote disaster recovery scenario, when the master node (U1981) fails, POTS user A of a branch node (The branch site equipment is U1911). If you make an outgoing call to the local PSTN user B through the branch node, the network element through which the SIP signaling of the call passes is (------------)?
A. U1911->Preparation U1981->U1911
B. Prepare U1981->U1911
C. U1911
D. U1911->Main U1981->Backup U1981->U1911
View answer
Correct Answer: A
Question #7
In the central networking mode of the converged conference MCU, what is correct about the traversal of public and private networks? (Multiple selected)
A. TE/RP/TP access MCU through SC proxy signaling and media stream
B. eSpace Mobile accesses MCU C through SBC proxy audio and video media
C. External web client access MCU through MS proxy audio and video
D. eSpace PC connects to MCU through SC proxy signaling and media stream
View answer
Correct Answer: ABC
Question #8
The following are not part of the H.245 capability set (-----)?
A. H
B. H
C. H
D. H
View answer
Correct Answer: C
Question #9
In the message classification of the RTCP protocol, which of the following messages describe the receiving statistics data of the receiving gateway?
A. SR
B. BYE
C. RR
D. SDES
View answer
Correct Answer: C
Question #10
Regarding MCU cascading, what is wrong in the following description?
A. MCU cascade is divided into manual cascade and automatic cascade
B. Manual cascading requires scheduling of two conference templates
C. Automatic cascading does not require configuration of cascading sites
D. Manual cascading must configure GK routing
View answer
Correct Answer: D
Question #11
When the number of bills exceeds the limit of the number of bill pools of the U1900 unified gateway, which statement is correct? () (multiple choice)
A. can be set to choose to overwrite old bills
B. can be set to discard new bills
C. It may cause the unified gateway to fail to register new users
D. May cause all users to be unable to initiate calls
View answer
Correct Answer: ABD
Question #12
A single Media board of VP9660 MCU can support up to (------) 1080P 30 ports?
A. 12
B. 36
C. 24
D. 8
View answer
Correct Answer: C
Question #13
After the terminal initiates a call and sends an ARQ message to GK, it receives an ARJ message. The possible reason for the call rejection is () (multiple choice)
A. The called is offline
B. The called party refuses to answer
C. Insufficient call bandwidth
D. called busy
View answer
Correct Answer: AC
Question #14
Regarding MCU cascading, what is wrong in the following description?
A. MCU cascade is divided into manual cascade and automatic cascade
B. Manual cascading requires scheduling of two conference templates
C. Automatic cascading does not require configuration of cascading sites
D. Manual cascading must configure GK routing
View answer
Correct Answer: D
Question #15
The following are not part of the H.245 capability set (-----)?
A. H
B. H
C. H
D. H
View answer
Correct Answer: C
Question #16
In the central networking mode of the converged conference MCU, what is correct about the traversal of public and private networks? (Multiple selected)
A. TE/RP/TP access MCU through SC proxy signaling and media stream
B. eSpace Mobile accesses MCU C through SBC proxy audio and video media
C. External web client access MCU through MS proxy audio and video
D. eSpace PC connects to MCU through SC proxy signaling and media stream
View answer
Correct Answer: ABC
Question #17
In the VoIP system, what are the factors that affect the quality of voice calls? (Multiple choice)
A. Jitter
B. delay
C. Packet loss
D. bandwidth
View answer
Correct Answer: ABCD
Question #18
There are two terminals, T1 and T2, both registered to the same GK. When T1 calls T2 by number, what is wrong with the following statement? () Multiple choice
A. The ACF message received by T1 contains the GK call signaling channel transmission address
B. The ACF message received by T1 contains the call signaling channel transmission address of T2
C. After T2 receives the Setup message, it sends an ARQ message to GK
D. After T2 receives the Setup message, it sends an ARQ message to T1
View answer
Correct Answer: AD
Question #19
The following are not part of the H.245 capability set (-----)?
A. H
B. H
C. H
D. H
View answer
Correct Answer: C
Question #20
In the central networking mode of the converged conference MCU, what is correct about the traversal of public and private networks? (Multiple selected)
A. TE/RP/TP access MCU through SC proxy signaling and media stream
B. eSpace Mobile accesses MCU C through SBC proxy audio and video media
C. External web client access MCU through MS proxy audio and video
D. eSpace PC connects to MCU through SC proxy signaling and media stream
View answer
Correct Answer: ABC
Question #21
In the remote disaster recovery scenario, when the master node (U1981) fails, POTS user A of a branch node (The branch site equipment is U1911). If you make an outgoing call to the local PSTN user B through the branch node, the network element through which the SIP signaling of the call passes is (------------)?
A. U1911->Preparation U1981->U1911
B. Prepare U1981->U1911
C. U1911
D. U1911->Main U1981->Backup U1981->U1911
View answer
Correct Answer: A
Question #22
In the H.460 public and private network traversing dual SC networking, the communication between the terminal and Client GK follows the () protocol (Single choice)
A. H
B. H
C. H
D. Q
View answer
Correct Answer: A
Question #23
In the remote disaster recovery scenario, when the master node (U1981) fails, POTS user A of a branch node (The branch site equipment is U1911). If you make an outgoing call to the local PSTN user B through the branch node, the network element through which the SIP signaling of the call passes is (------------)?
A. U1911->Preparation U1981->U1911
B. Prepare U1981->U1911
C. U1911
D. U1911->Main U1981->Backup U1981->U1911
View answer
Correct Answer: A
Question #24
Regarding MCU cascading, what is wrong in the following description?
A. MCU cascade is divided into manual cascade and automatic cascade
B. Manual cascading requires scheduling of two conference templates
C. Automatic cascading does not require configuration of cascading sites
D. Manual cascading must configure GK routing
View answer
Correct Answer: D
Question #25
How to order the recorded video on RSE6500 on the terminal side?
A. When there is SC and routing has been configured, the terminal directly calls the IP address of RSE6500
B. When there is SC and routing is configured, the terminal directly calls the recording ID
C. When there is no SC or SC is not configured with routing, the terminal directly calls the recording ID
D. When there is no SC or SC is not configured with routing, the terminal calls RSE6500IP address##Recording ID
View answer
Correct Answer: BD
Question #26
There are two terminals, T1 and T2, both registered to the same GK. When T1 calls T2 by number, what is wrong with the following statement? () Multiple choice
A. The ACF message received by T1 contains the GK call signaling channel transmission address
B. The ACF message received by T1 contains the call signaling channel transmission address of T2
C. After T2 receives the Setup message, it sends an ARQ message to GK
D. After T2 receives the Setup message, it sends an ARQ message to T1
View answer
Correct Answer: AD
Question #27
In the remote disaster recovery scenario, when the master node (U1981) fails, POTS user A of a branch node (The branch site equipment is U1911). If you make an outgoing call to the local PSTN user B through the branch node, the network element through which the SIP signaling of the call passes is (------------)?
A. U1911->Preparation U1981->U1911
B. Prepare U1981->U1911
C. U1911
D. U1911->Main U1981->Backup U1981->U1911
View answer
Correct Answer: A
Question #28
After adding the VP9650 MCU to the SMC2.0 in a manageable way, the MCU is offline. Which of thefollowing descriptions is correct? () (multiple choice)
A. he MCU connection method is wrong, it may not be SMC2
B. here is a firewall between MCU and SMC2
C. he SNMP mode setting of MCU is inconsistent with SMC2
D. he HTTP connection password on the SMC2
View answer
Correct Answer: AB
Question #29
Regarding Huawei Videoconferencing VME technology, which of the following descriptions is correct: () (multiple choice)
A. It can improve image compression ratio and save bandwidth
B. Optimize the image processing of the active area to increase the clarity
C. Optimize the graphics in the static area to increase the clarity
D. VME's frame doubling technology can improve the smoothness of images
View answer
Correct Answer: ABD
Question #30
The following are not part of the H.245 capability set (-----)?
A. H
B. H
C. H
D. H
View answer
Correct Answer: C
Question #31
There are two terminals, T1 and T2, both registered to the same GK. When T1 calls T2 by number, what is wrong with the following statement? () Multiple choice
A. The ACF message received by T1 contains the GK call signaling channel transmission address
B. The ACF message received by T1 contains the call signaling channel transmission address of T2
C. After T2 receives the Setup message, it sends an ARQ message to GK
D. After T2 receives the Setup message, it sends an ARQ message to T1
View answer
Correct Answer: AD
Question #32
Built-in MCU terminal plus RSE network, without the help of SMC, the functions that can beimplemented independently on the terminal do not include () (single choice)
A. oint-to-point recording meeting
B. hree-party live conference
C. oint-to-point live conference
D. ecording resource management
View answer
Correct Answer: D
Question #33
In the central networking mode of the converged conference MCU, what is correct about the traversal of public and private networks? (Multiple selected)
A. TE/RP/TP access MCU through SC proxy signaling and media stream
B. eSpace Mobile accesses MCU C through SBC proxy audio and video media
C. External web client access MCU through MS proxy audio and video
D. eSpace PC connects to MCU through SC proxy signaling and media stream
View answer
Correct Answer: ABC
Question #34
IAD supports configuration methods including (). (Multiple choice)
A. eb
B. MT
C. ommand Line
D. Sight
View answer
Correct Answer: ACD
Question #35
There are two terminals, T1 and T2, both registered to the same GK. When T1 calls T2 by number, what is wrong with the following statement? () Multiple choice
A. The ACF message received by T1 contains the GK call signaling channel transmission address
B. The ACF message received by T1 contains the call signaling channel transmission address of T2
C. After T2 receives the Setup message, it sends an ARQ message to GK
D. After T2 receives the Setup message, it sends an ARQ message to T1
View answer
Correct Answer: AD

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