In the UTP wiring used in LANs,how many wire pairs are there in a cord?
A) 1.
B) 2.
C) 4.
D) 8.
E) 25.
Correct Answer:
Verified
Q12: Which of the following layers deals with
Q13: In UTP cables,each wire is surrounded by
Q15: Propagation effects can make a signal unreadable
Q16: The physical layer _.
A)deals with propagation effects
B)deals
Q18: When a signal travels,this is called _.
A)transit
B)end-to-end
Q21: UTP categories rate the _ of cabling.
A)quality
B)cost
C)quality-of-service
Q22: A high signal-to-noise ratio reduces _ errors.
A)signal
B)noise
C)interference
D)attenuation
E)All
Q26: Analog signaling is relatively immune to small
Q28: In digital signaling there is (are)_ state(s).
A)one
B)two
C)a
Q33: Binary signaling is relatively immune to small
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