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The Ethernet board has an external port (Port) and an internal port (VCTRUNK). The external port can set the Tag attribute, but the internal port cannot set the Tag attribute.
The Ethernet board has an external port (Port) and an internal port (VCTRUNK). The external port can set the Tag attribute, but the internal port cannot set the Tag attribute.A . TrueB . FalseView AnswerAnswer: B
In Ethernet, the frame length has a lower limit, which is mainly due to the following considerations?
In Ethernet, the frame length has a lower limit, which is mainly due to the following considerations?A . Carrier SenseB . Multi-point accessC . Conflict DetectionD . Improve network bandwidth utilizationView AnswerAnswer: C
The device IP addresses of the gateway network element and non-gateway network element must be set in the same network segment.
The device IP addresses of the gateway network element and non-gateway network element must be set in the same network segment.A . TrueB . FalseView AnswerAnswer: B
If SNCP services with the same source, sink or route are grouped, the SNCP switching speed can be improved.
If SNCP services with the same source, sink or route are grouped, the SNCP switching speed can be improved.A . TrueB . FalseView AnswerAnswer: A
The number of network elements (including REG) in a two-fiber bidirectional multiplex section shared protection ring can exceed 16.
The number of network elements (including REG) in a two-fiber bidirectional multiplex section shared protection ring can exceed 16.A . TrueB . FalseView AnswerAnswer: A
The clock unit can only access the external clock source as the timing signal source of the system through the external clock interface. In addition, it can also output the processed clock and provide the clock source for other devices that need timing.
The clock unit can only access the external clock source as the timing signal source of the system through the external clock interface. In addition, it can also output the processed clock and provide the clock source for other devices that need timing.A . TrueB . FalseView AnswerAnswer: B
Physical port: also known as MAC port, which is the external port of the board.
Physical port: also known as MAC port, which is the external port of the board.A . TrueB . FalseView AnswerAnswer: A
Which of the following descriptions about multiplexing is correct? During byte interleaving multiplexing, the information payload and pointer bytes of each frame are interleaved and multiplexed according to the original values, and the segment overhead is also multiplexed accordingly.
Which of the following descriptions about multiplexing is correct? During byte interleaving multiplexing, the information payload and pointer bytes of each frame are interleaved and multiplexed according to the original values, and the segment overhead is also multiplexed accordingly.A . STM-4 has 4 times the overhead of STM-1B . The...
Which of the following descriptions about the FIU board is correct?
Which of the following descriptions about the FIU board is correct?A . The FIU board processes monitoring information.B . FIU can complete the access and extraction of OSC channels.C . In the OptiX OSN8800 equipment, when there is no signal input, the FIU board will report an alarm.D . Whether...
FAS is the frame alignment overhead, with a length of 6 bytes, located in the 1st row and the 1st to 6th columns. The 1st to 3rd bytes are 3 OA1 bytes, each OA1 is always "1111 0110", which is F6 in hexadecimal. The 4th to 6th bytes are 3 OA2 bytes, each OA2 is always "0010 1000", which is 28 in hexadecimal.
FAS is the frame alignment overhead, with a length of 6 bytes, located in the 1st row and the 1st to 6th columns. The 1st to 3rd bytes are 3 OA1 bytes, each OA1 is always "1111 0110", which is F6 in hexadecimal. The 4th to 6th bytes are 3...
