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QUESTION a) List the seven layers of the ISO-OSI model and briefly describe the role of each layer b) Describe the functions of the following intermediate systems- Rep
Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. Calculate the efficiency of stop-and-wait ARQ (a) Transmits a
What is EGP (Exterior Gateway Protocol)? It is the protocol the routers in neighboring autonomous systems use to recognize the set of networks that can be reached within or by
Identify the purpose of the TCP three step handshakes Ans) The three step handshake establishes the parameters needed for a TCP connection. During the handshake process series n
The term "forest" is used to explain a collection of AD domains that share a one schema for the AD. All DC's in the forest share this schema and it is replicated in a hierarchical
What are the main features of TCP connections? Why is it said that TCP provides full-duplex service?
Determine the task which should intranet require Intranet to work smoothly, the following tasks should be properly synchronised: All computers connected together in a n
discuss the concept of redundancy in error detection and correction
How LANs connected to Internet. Doubling every 18 months means factor of four gains in 3 years. In 9 years, gain is then 43 or 64, which leads to 6.4 billion hosts. My intuitio
stop and wait arq
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