The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are
A. universal accessibility for private network Data Terminal Equipment (DTE)
B. adequate cost control mechanisms for administration of the private networks
C. to assign address to private network DTEs
D. A and B both
E. None of the above
Answer: Option D
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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