RS-232-G
A. is an interface between two data circuit terminating equipment as examplified by a local and remote modem
B. is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment
C. specifies only the mechanical characteristics of an interface by providing a 25-pin connector
D. requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
E. None of the above
Answer: Option B
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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