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What is Ping?
Ping is a utility program that permits you to check connectivity among network devices on the network. You can ping a device by using its IP address or device name, like a computer name.
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
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Q. Describe Physical Layer in OSI layers model? Physical Layer : Controls the transmission of the actual data onto the network. It describes the electrical signals, line state
Compute the shortest path from t to all network nodes.
Question: a) The cpio utility has three operating modes. What are they? b) The characters of the permission string are broken up into three groups of three characters. Ex
Q. Explain Stop--and--Wait automatic repeat request? 1. Numbering frames prevents the retaining off duplicate frames. 2. Numbered acknowledgement are needed in case of delay
What is the equivalent layer or layers of the TCP/IP Application layer in terms of OSI reference model? The TCP/IP Application layer really has three counterparts on the OSI mo
Round Trip Time (RTT) and Time Out The size and the complexity of computer networks have grown in past years. To achieve an efficient and reliable transmission some
If a client gives a 4096-byte request to a server located 50 km away on a 1 Gbps fiber optic, then what is the efficiency of the line during this time? Suppose that the server give
Q. Explain about Bandwidth – delay product? Bandwidth - delay product - A measure of competence of ARQ system = bandwidth (bits per second) * round-trip delay (in seco
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