Question 26

Which of the following is the common point between the two-fiber bidirectional multiplex segment shared protection ring and the four-fiber bidirectional multiplex segment protection ring?
  • Question 27

    Which of the following technologies is the main difference between an open DWDM system and an integrated DWDM system?
  • Question 28

    The primary and backup ports of the linear multiplexing segment must be on the same board.
  • Question 29

    OLA stations can also be monitored using ESC.
  • Question 30

    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.