A.External clock source
B.Internal clock source
C.The clock extracted from optical links
D.The clock extracted from network management system
第1题
A.Version
B.Type
C.Source Port
D.Flags
E.Data
第2题
A.Broadcast
B.Point-to-point call
C.Group call
D.Barge in
第3题
A. source address and subnet mask
B. destination address and wildcard mask
C. source address and wildcard mask
D. destination address and subnet mask
第4题
A、The SHEL model showed the importance of the human in aviation system
B、In SHEL model, the hardware in the center, is the most valuable, the most important factor
C、The SHEL model indicates that the source of pilot error
第5题
Which of the following is NOT included as source of humidity in this passage?
A.Oceans.
B.Plants.
C.Air.
D.Dryers.
第6题
A.%
B.*
C._
第7题
第8题
Which of the following is NOT a source of public speaking fear?
A.Anxiety about the future.
B.Perfectionism.
C.Preparation.
D.Procrastination.
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