Which of the following descriptions about the AU pointer are correct? (Multiple choice)

The correct answer is A. The root cause of AU pointer adjustment is that the clocks between the upstream and downstream D. If the receiving end detects that the H1H2 bytes are all "1", the local end generates an AU-AIS alarm. See the full explanation below for the reasoning.

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AThe root cause of AU pointer adjustment is that the clocks between the upstream and downstream
BSince the value of the AU-PTR pointer is placed in the last 10 bits of the two bytes H1 and H2, its
CAU-PTR refers to the position of the J0 byte.
DIf the receiving end detects that the H1H2 bytes are all "1", the local end generates an AU-AIS alarm.

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(36 responses)

A
75% (27)
B
11% (4)
C
14% (5)

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