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Network Layer The internet network layer is responsible for moving network layer packets known data grams from one host to another. The internet transport layer pro
Explain the term- Encryption Because all of the user traffic, as well as control traffic, is digitized in second generation systems, it is a relatively simple matter to encrypt
What is TCP/IP TCP/IP is short for Transmission Control Protocol / Internet Protocol. This is a set of protocol layers that is intended to make data exchange possible on dissim
Time out The protocols name Go Back N is derived from the sender behaviour in the presence of lost or overly delayed packets. A timer will again be used to recover
Reliable data transfer over a channel bit error rdt : 20 A more realist model of the underlying channel is one in which bits in packet may be computed. Such bit erro
BRDGING BETWEEN BUILDINGS: If two buildings are placed far from each other, a bridge, a pair of fiber modems and an optical fiber may be used to locate two LANs as given in t
Responsibility of Application Layer
Explain about the Digital traffic channels The most notable difference among the two generations is that first generation systems are almost purely analog, while second generat
Retransmission of packets The disadvantage of thronging away a correctly received packet is that the subsequent retransmission of the packet might be lost or garbled and
objective practical questios answers
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