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Huawei H11-879 Exam Questions and Answers, HCIE-Enterprise Communication Written Exam | SPOTO

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Question #1
Regarding the Fusion Conference 3.0 solution, which of the following statements is correct () (single choice)
A. The account to log in to the eMP system needs to be created in the eMP system
B. The eMP system accesses the BMU system to obtain UC system address book information
C. The eMP system queries the address book information of the video conferencing system by accessing eUAcorrect
D. eSpace Web Query the address book information of the video conferencing system by accessing eUA
View answer
Correct Answer: C
Question #2
The SMC2.0 resource pool solution can improve the reliability of the videoconferencing system. If the MCU in use suddenly goes down during a conference, which of the following principles will SMC2.0 choose to use as a backup MCU? () Multiple choice
A. Same service area first
B. MCUs with the same prefix are preferred
C. The MCU with the most remaining resources in the same service area is preferred
D. Among all MCUs, the MCU with the most remaining resources is preferred
View answer
Correct Answer: ABC
Question #3
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 addresscorrect
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 T1correct
View answer
Correct Answer: AD
Question #4
The eSpace phone supports () mode, the PC can disconnect the PC port to share the network connection after receiving the call () (single choice)
A. Bridge
B. exchange
C. routing
D. Commissioning
View answer
Correct Answer: B
Question #5
In the U1900 series unified gateways, regarding the relationship between prefix, office direction, office direction selection code and trunk, the correct statement is () multiple selection
A. One prefix can only correspond to one office direction selection codecorrect
B. One office route selection code can only correspond to one prefix
C. The correspondence between office direction selection code and office direction is one-to-manycorrect
D. One office route can correspond to multiple different types of relays
View answer
Correct Answer: AC
Question #6
How many pixels of a camera with 1080P image resolution equivalent ()
A. 2 millioncorrect
B. 800w
C. 2
D. 5000000
View answer
Correct Answer: A
Question #7
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 IDcorrect
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 IDcorrect
View answer
Correct Answer: BD
Question #8
Using the VPC620 camera, the OSD image interface image as shown in the figure appears on the display screen, the following description is correct () (multiple choice)
A. This OSD interface is caused by the TV settings and needs to modify the TV configuration
B. This OSD interface displays camera information, which is only displayed in local mode, not in remote modecorrect
C. Press the mode button of the camera to cancel this OSD interface
D. Press the delete button on the remote control twice in succession to cancel this OSD interfacecorrect
View answer
Correct Answer: BD
Question #9
An enterprise has deployed eSight network management, DNS server and DHCP server on its existing network. For deploying 200 IP phones, which of the following methods cannot achieve batch configuration of TR069 parameters? ()
A. Batch delivery via DHCP Option 246 field
B. Configure the eSight domain name and IP address mapping in the DNS server
C. Use access scan
D. Through the web configuration interface of IP Phone
View answer
Correct Answer: D
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 routingcorrect
View answer
Correct Answer: D
Question #11
Regarding the IP phones and analog phones in the U1900 system, which of the following statements is correct ()
A. When IP phones A and B have successfully registered to the same U1900 system, if IP phones A and B are able to dial each other, the U1900 system must include an MTU board
B. If IP phone A and analog phone C (directly connected to the ASI board of U1900) are successfully registered to U1900, when A calls C, U1900 may not contain MTU board
C. If you want to successfully register IP phones A and B to the U1900 system, the U1900 system must include the MTU board
D. When IP phone A and B have successfully registered to the same U1900 system, if IP phone A calls When calling IP phone B, IP phone B is busy, then if you need IP phone A to hear busy Line tone, the U1900 must contain MTU board
View answer
Correct Answer: D
Question #12
Which of the following backup methods is not supported by VP9660 MCU? ()
A. Main control board backup
B. Power backup
C. IP/E1 line backupcorrect
D. Media/signaling board backup
View answer
Correct Answer: C
Question #13
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 #14
In the Huawei eSpace UC solution, U1981, U1980, U1960, U1911 all support dual-system active and standby () Correct or Wrong
A. Correctcorrect
B. Wrong
View answer
Correct Answer: A
Question #15
The SMC2.0 resource pool solution can improve the reliability of the videoconferencing system. If the MCU in use suddenly goes down during a conference, which of the following principles will SMC2.0 choose to use as a backup MCU? () Multiple choice
A. Same service area firstcorrect
B. MCUs with the same prefix are preferredcorrect
C. The MCU with the most remaining resources in the same service area is preferredcorrect
D. Among all MCUs, the MCU with the most remaining resources is preferred
View answer
Correct Answer: ABC
Question #16
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 #17
In the SIP response message, which of the following messages are numbered 300-399? ()
A. success
B. Redirectcorrect
C. Client error
D. Server error
View answer
Correct Answer: B
Question #18
The customer purchased two SCs, namely SC1 and SC2. Even if SC1 is configured with 1 service IP and SC2 is configured with 2 service IPs, it will not affect the configuration of SC1 and SC2. () Right or Wrong
A. Right
B. Wrongcorrect
View answer
Correct Answer: B
Question #19
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 #20
Add active and standby SCs on SMC2.0, which of the following statements is correct () (multiple choice)
A. The license information of the active SC and the backup SC must be the samecorrect
B. In the process of SC active/standby configuration, the "Mode" parameter indicates the working status of the SC, the "Mode" value is 1 for standby, and the "Mode" value is 2 for active
C. The service IP is a virtual Icorrect
D. The active SC and the standby SC share this virtual service IP to provide external registration and call servicescorrect
E. The management IP address and service IP address of the active SC can be in two different network segments
View answer
Correct Answer: ACD
Question #21
The MTU board can support 4 E1/T1 interfaces. How to switch between E1 and T1 interfaces? Which statement is correct () (single choice)
A. You only need to select E1 or T1 in the "Parameter Configuration> Transmission Mode" in the "Quick Configuration> Configure Board" page on the U1900 Web management page, and the switch can be completed
B. The default is the E1 interface
C. The default is T1 interface, switch to E1, you need to remove the jumper cap inside the MTU board, and you need to enter the Web management page to modify the configuration
D. None of the above
View answer
Correct Answer: B
Question #22
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. RRcorrect
D. SDES
View answer
Correct Answer: C
Question #23
Phone A has been successfully registered to the U1900 system. At some point, unplug the network cable. At this time, log in to the U1900 system to check the registration status of phone A. The following statement is wrong ()
A. The registration status of phone A in the U1900 system may change immediately
B. The registration status of phone A in the U1900 system may remain unchanged
C. The registration status of phone A in the U1900 system may change after a period of time
D. The registration status of phone A in the U1900 system is updated, only after the network cable of phone A is unplugged, the change occurs after half of the registration period of phone A has passedcorrect
View answer
Correct Answer: D
Question #24
In video systems, image processing uses RGB color space. () Right or Wrong
A. Right
B. Wrongcorrect
View answer
Correct Answer: B
Question #25
In the U1900 unified gateway, outgoing calls need to be configured in a certain order. The following configuration process is correct () Multiple choice
A. Office route selection code -> office route -> trunk -> prefixcorrect
B. Office route selection code -> Trunk -> Office route -> Prefix
C. Office route selection code -> prefix -> office route -> trunkcorrect
D. Office route selection code -> Trunk -> Prefix -> Office route
View answer
Correct Answer: AC
Question #26
Regarding call bills and billing scenarios, which of the following statements is correct () (multiple choice)
A. The CDR data will eventually need to be imported into the CDR database
B. Users can query the bill data through the web page of the U1900 unified gateway
C. In the CDR integrated network, the third-party billing system is used as FTP Clientcorrect
D. A single bill server can store and process bill data from multiple IP PBX hosts at the same timecorrect
View answer
Correct Answer: CD
Question #27
When other conditions are the same, the longer the reverberation time of the room, the clearer the sound heard Clarity. () Right or Wrong
A. Right
B. Wrongcorrect
View answer
Correct Answer: B
Question #28
Which of the following signaling is included in a SIP call? () (multiple choice)
A. Invite
B. 200 OK
C. ACK
D. Set UP
View answer
Correct Answer: ABC
Question #29
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->U1911correct
B. Prepare U1981->U1911
C. U1911
D. U1911->Main U1981->Backup U1981->U1911
View answer
Correct Answer: A
Question #30
Regarding Huawei Videoconferencing VME technology, which of the following descriptions is correct: () (multiple choice)
A. It can improve image compression ratio and save bandwidthcorrect
B. Optimize the image processing of the active area to increase the claritycorrect
C. Optimize the graphics in the static area to increase the clarity
D. VME's frame doubling technology can improve the smoothness of imagescorrect
View answer
Correct Answer: ABD

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