(single) Is the following description correct? EPON packets are variable length. The GPON downstream frame is fixed length.
A. True
B. False
(multiple) What is the correct description of the VLAN on the MA5600?
A. The type of A.sub-vlan can be smart-vlan or mux-vlan
B. Standard VLAN can contain standard Ethernet ports and service virtual ports
C. A mux-vlan can only contain one uplink port and service virtual port.
D. A smart-vlan can contain multiple uplink ports and service virtual ports.
(single) Is the following description correct? The transmission form of the LAN is generally based on the bus type. The most commonly used corresponding protocol is the carrier sense and collision detection CSMA/CD protocol.
A. True
B. False
(single) What is the maximum split ratio supported by the MA5680T GPBC board?
A. 1:32
B. 1:64
C. 1:128
D. 1:16
(single) Which layer of the OSI model does the router mainly work on?
A. Physical layer
B. Link layer
C. Network layer
D. Transport layer
(single) Is the following description correct? ONT call emulation refers to the use of the ONT test module instead of the user's phone for call testing. When the ONT POTS user cannot provide voice services, the ONT call emulation test is performed remotely through the OLT command line to help the user diagnose whether the POTS user call of the ONT is normal. ONT can be offline when performing ONT call simulation
A. True
B. False
(single) The MA5600T checks whether the version of the currently running board software meets the requirements for on-site deployment. Which command is used?
A. display language
B. display board
C. display version
D. All of the above can
(single) In the Solaris environment, which of the following commands (parameters) is used to unconditionally abort the process?
A. kill -7 pid
B. kill -8 pid
C. kill -9 pid
D. kill -10 pid
(single) Is the following description correct? In PON networks, multimode fibers are often used.
A. True
B. False
(single) Is the following description correct? TTL is mainly used to prevent the cyclic forwarding of IP packets in the network and waste network bandwidth.
A. True
B. False