What frequency range is used for microwave communications, satellite and radar?
A. Low Frequency : 30 kHz to 300 kHz
B. Medium Frequency : 300 kHz to 3 MHz
C. Super High Frequency : 3000 MHz to 30000 MHz
D. Extremely High Frequency :30,000 MHz
E. None of the above
Answer: Option D
This Question Belongs to Networking >> Networking Miscellaneous
A. Agreements on how communication components and DTE
B. Logical communication channels used for transferri
C. Physical communication channels used for transferr
D. None of the above
A. Simplex
B. Four wire circuit
C. Full Duplex
D. Half Duplex
Error detection at the data link level is achieved by
A. Bit Stuffing
B. Cyclic Redundancy Code
C. Hamming Code
D. Equalization
Which of the following is a wrong example of network layer?
A. Internet Protocol (IP) - ARPANET
B. X.25 Packet Level Protocol (PLP)-ISO
C. Source routing and domain naming-USENet
D. X.25 level 2-ISO
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