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
E1 and 4E1 lines do not support H.460 traversal networking. () Correct or Wrong
A. Correct
B. Wrong
In the videoconferencing system, the MCU and T1 and T2 are deployed on the private network, and T3 is deployed on the public network. The MCU is used for wall-mounted networking. The following statement is wrong () (single choice)
A. The GE0 port of the MCU is registered with GK, and the GE1 port is only used for IP address call
B. Connect T2 to the network on the same network segment as the GE0 port of the MCU
C. Connect T3 to the network on the same network segment as the GE1 port of the MCU
D. The MCU's GE0 port and GE1 port can be connected to the same network segment
The SMC2.0 batch number allocation function supports the addition, modification and deletion of unmanageable sites, excluding ISDN sites () Correct or Wrong
A. Correct
B. Wrong
In the SIP protocol, the Cancel transaction can be used to cancel the Update transaction. () Right or Wrong
A. Right
B. Wrong
The lighting design of the telepresence meeting room includes three elements. () Multiple choice
A. Color temperature
B. color
C. Color rendering coefficient
D. Illuminance
One MCU supports 24-port 1080P30. Which of the following conference scenarios can be supported through configuration? ()
A. 24 1080P30 venues
B. 12 1080P30 venues + 24 720P60 venues
C. 6 1080P30 venues + 24 720P30 venues
D. 12 1080P60 venues + 24 4CIF venues
U1900 and the original traditional PBX can be connected through () to protect customers' early investment () (Multiple choice)
A. AT0
B. PRA
C. SIP
D. H.323
MCU adopts built-in web mode to manage and control, realize the function of () (multiple choice)
A. Terminal registration
B. Intelligent access to various types of terminals
C. Meeting convened
D. Conference control
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.460
B. H.323
C. H.460.18/19
D. Q.931