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ETHERNET FIELDS:
In Ethernet fields the preamble and CRC is usually not given in frame. The destination address of each is the broadcast address. There is special value reserved for frame kind field.
FRAME WITHOUT TYPE FIELDS:
Some LAN methods do not add a kind field. Receiver and sender can agree on interpretation, which is as given: They agree on single message format and need only that formats these limits to one kind of data. In this way all devices on LAN have to use one format. Also they agree to encode the message format into first few bytes of the data field.
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
Q. Explain about Virtual Circuit Switching? Virtual Circuit Switching - All packets belong to a message (or) session is preserved. - Single route is selected between s
What is Redundancy? The method of including extra information in the transmission solely for the purpose of comparison. This technique is known as redundancy.
ONE TO MANY
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 nam
Cell splitting In practice, the distribution of traffic and topographic features is not uniform, and this shows opportunities of capacity enhance. Cells in areas of high usage
Can you describe in a generic manner the packet of IPSec
What is Ring Topology? The physical ring topology is a circular loop of point-to-point links. Every device connects directly to the ring or indirectly by and interface device o
how to implement chord connection as the network management system ?
Alice sends a message to Bob, encrypted with a symmetric key. Bob decrypts the message and finds it is a purchase order for an expensive workstation. When the time comes to deliver
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