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Q. What is Authentication ?
- Verification of sender's identity.
- Accomplished through a digital signature, which is based on public key encryption/decryption.
- Uses reciprocity of RSA, however secret key is kept by the sender to -sign? the transmission.
Q. Explain Multipurpose Internet Mail Extensions? - The Multipurpose Internet Mail Extensions is an extension of SMTP that allows the transfer of multimedia and other non-ASCII
Question 1 What is bandwidth? >>What is the bandwidth of a) Telephone signal b) Commercial radio broa
SONET STS SONET defines a hierarchy of signalling levels called as STSs (Synchronous Transport Signals). Every STS level supports a certain data rate specified in megabits p
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
TPC and UDP are 2 layer of Transport protocols.
User Datagram Protocol - UDP is a connectionless oriented transport protocol for use when the upper layers give error-recovery and reliability. UDP does not series data or re-assem
There are three building blocks of client/server a) The client b) The server and c) Middleware.
What is Round Trip Time? The duration of time it takes to send a message from one end of a network to the other and back, is known as RTT.
What is primary and secondary ring One of the two FDDI rings is known as the primary ring; the other is called the secondary ring. The primary ring is utilized for data tra
What is data encapsulation? Data encapsulation is the method of breaking down information into smaller manageable chunks before it is transferred across the network. It is also
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