If a modem sends two ones in a row,the receiver can distinguish between them thanks to ________.
A) modulation
B) the fact that the ones will have different amplitude levels
C) the fact that the ones will have different frequencies
D) None of the above.
Correct Answer:
Verified
Q3: A smartphone connected to the Internet is
Q19: A device attached to a network is
Q21: Which type of circuit typically operates at
Q22: A modem converts original _ signals to
Q23: Circuits are reasonably efficient for _.
A)voice
B)data
C)Both A
Q25: When a switch receives a packet,the switch
Q26: Which of the following is true?
A)All binary
Q27: Packet switching is most efficient for _
Q28: With reserved capacity,data transmission speed for a
Q29: Reassembly is done on the _.
A)source host
B)destination
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