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. To switch to T1, you need to remove the jumper cap inside the MTU board. Need to enter the Web management page to modify the configuration
- 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
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 passed
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
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 -> prefix
- B . Office route selection code -> Trunk -> Office route -> Prefix
- C . Office route selection code -> prefix -> office route -> trunk
- D . Office route selection code -> Trunk -> Prefix -> Office route
How many pixels of a camera with 1080P image resolution equivalent ()
- A . 2 million
- B . 800w
- C . 2.3 million
- D . 5000000
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
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
Which of the following backup methods is not supported by VP9660 MCU? ()
- A . Main control board backup
- B . Power backup
- C . IP/E1 line backup
- D . Media/signaling board backup
A single Media board of VP9660 MCU can support up to () 1080P 30 ports?
- A . 12
- B . 36
- C . 24
- D . 8
In the Huawei eSpace UC solution, U1981, U1980, U1960, U1911 all support dual-system active and standby () Correct or Wrong
- A . Correct
- B . Wrong
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
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
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
The following are not part of the H.245 capability set ()
- A . H.235
- B . H.239
- C . H.350
- D . H.460
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
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 . Wrong
In the converged conference MCU central networking mode, what method does the eSpace PC support to join the conference directly with the chairman authority? () (multiple choice)
- A . Key in the conference list
- B . Dial in
- C . Join by email link
- D . Invitation from outside
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 Client
- D . A single bill server can store and process bill data from multiple IP PBX hosts at the same time
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 eUA
- D . eSpace Web Query the address book information of the video conferencing system by accessing eUA
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 mode
- 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 interface
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 . Wrong
In the SIP response message, which of the following messages are numbered 300-399? ()
- A . success
- B . Redirect
- C . Client error
- D . Server error
SMC2.0 added TE terminal search in a manageable way to 10%, unable to continue, possible reasons are () (multiple choice)
- A . SNMP V2C read community name or SNMP V3 user encryption method is inconsistent
- B . SNMP V2C read community name or SNMP V3 user password is inconsistent
- C . Device SNMP is not enabled
- D . API account or password issue
In video systems, image processing uses RGB color space. () Right or Wrong
- A . Right
- B . Wrong
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 code
- B . One office route selection code can only correspond to one prefix
- C . The correspondence between office direction selection code and office direction is oneto-many
- D . One office route can correspond to multiple different types of relays
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
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
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 same
- 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 IP. The active SC and the standby SC share this virtual service IP to provide external registration and call services
- D . The management IP address and service IP address of the active SC can be in two different network segments
Which of the following methods can reset the web login password of the TE terminal? () Multiple choice
- A . When the system is just started, long press the mode button of the TE30 terminal
- B . When the system is running normally, long press the Reset button on the TE60 terminal
- C . Log in to the TE40 terminal via SSH and enter web password 0
- D . Restore factory settings via remote control
E1 and 4E1 lines do not support H.460 traversal networking. () Correct or Wrong
- A . Correct
- B . Wrong