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Q. Define V - 32 modem?
- ITU-T's V.32 standard was issued in 1989 for asynchronous and full-duplex operation at 9600 bps.
- Even though designed for asynchronous DTEs two V.32 modems in reality communicate synchronously.
- A circuit converts the asynchronous data stream into synchronous blocks and invisible to the application.
- V.32 supports modulation rates of 2400 and 4800 and 9600 bps.
Q. What are the basic key functions of data link layer? Ans: Data link layer transfers data in a structured and reliable manner so that the service given by the physical layer
In OSI 7 layer model, a header, or possibly a trailer, can be added to the data unit at each layerI 7 layer, but we will define a simple virtual packet which contains only 8bit dat
Describe difference among Single path and Multipath?
There are two kinds of characteristics in case of network performance. Delay Throughput
What is DHCP? DHCP is short for Dynamic Host Configuration Protocol. Its major task is to automatically assign an IP address to devices across the network. It first checks for
What are the different kinds of firewall architectures?
Plot way forms for the following modulation schemes using Mathlab: a) 2 ASK 4 ASK b) BFSK 4 FSK c) BPSK 4
To model a WAN, we need a graph in which the nodes model switches and the edges model direct join between switches. The modeling saves essence of network, and it ignores attached d
Q. Define transport layer of osi model? - The transport layer regulates information flow to makes sure end-to-end connectivity between host applications reliably and accurately
Connections in ATM are known virtual circuits or virtual channels These are known virtual, since connections are created in ATM by starting values in memory locations (tables) in A
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