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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 messages
Mail Transfer Agent (MTA)
- Handles mail transfer across the Internet
- SMTP commands and responses are used to transfer messages between an MTA client and MTA server
- Occurs in three phases: message transfer, connection establishment and connection termination
How are routing neighbors discovered in BGP?
Can you define the difference among trusted and untrusted networks?
Describe about the term- network If network tends to lose the packets, it is better to acknowledge each one of them separately, so the lost packets could be retransmitted. On t
Which NetWare protocol works on layer 3--network layer-of the OSI model? Ans)IPX
define protocol
Q. Show V.32 standard? - ITU-T's V.32 standard was issued in 1991 for asynchronous and full-duplex operation at 14.4 Kbps. V.32bis - Is an extension of the V.32 technology?
RIP It is Broadcast There is no authentication It Support FLSM RIPV2 It is Multicast There is Authentication It Support VLSM
Fragmentation - Wireless environment is very noisy - Corrupt frames must be retransmitted - Large frames must be divided into smaller ones to increase efficiency
Deadlock Avoidance To avoid deadlocks two types of strategies are used: 1) Static prevention: It uses V and P operators and Semaphores to allocate and deallocate shared res
FIBER OPTIC EXTENSION: The LAN extension using fiber optic is given in the figure below: Figure The fiber-modem translates digital data into pulses of light the
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