A WAN typically uses ____ communications.
A) microwave
B) radio
C) fiber-optic
D) Both A and B.
Correct Answer:
Verified
Q17: Frames typically operate at the Network layer
Q18: A(n)frame does not include routing information.
Q19: Encoding involves converting a frame or packet
Q20: Often a LAN ends when there is
Q21: A number of connected LANs in a
Q23: PCM sets the stage for _.
A)T-carriers
B)modems
C)PCs
D)ICs
Q24: The _ manages RFCs.
A)IEEE
B)FCC
C)IETF
D)ARPA
Q25: _ developed the first laser.
A)IBM
B)ARPA
C)MIT
D)Bell Labs
Q26: A _ is typically the least complex
Q27: When getting specific, a frame represents information
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