Which of the following statement is correct?
A. A spin stabilized satellite used solar cells mounted on a cylinder body that continuously rotates so that 40 a time and it also uses gyroscopic action of a spinning satellite to maintain its orientati
B. A spin stabilized satellite uses solar panels whose cells are continually oriented toward the sun
C. Satellite transponders use lower frequency reception of radiation from earth stations and higher frequency for transmission to earth stations.
D. satellite transponders use a single frequency for reception and transmission from one point on earth to another
E. None of the above
Answer: Option A
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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