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The distance over which data moves within a computer may differ from a few thousandths of an inch, as is the case within a one IC chip, to as much as lot of feet along the backplane of the main circuit board. Over these small distances, digital data might be transmitted as direct, two-level electrical signals over simple copper conductors. Except for the fastest computers, circuit designers are not very concerned about the shape of the conductor or the analog characteristics of signal transmission.
Explain Is NAT a firewall?
Define the term - frame and packets Frames sum up packets. When a packet arrives at data link layer, the complete packet, header, data and remaining all, is used as data field
Virtual channel is normally a link from one source to one destination, although multicast connections are also allowed. The other name for virtual channel is virtual circuit.
Can you describe circuit level gateway?
The marketing term 'ISDN modem' was formed to help sell the ISDN idea to America. There is no such thing as an analog modulator demodulator for digital ISDN. The Terminal Adapter (
What are the two broad class classifications under which Networks can be divided? All computer networks fit in one of the two dimensions namely: a) Transmission Technol
Example Programmes for Parallel Systems Now we shall complete this with the examples on shared memory programming. Example 13: Adding elements of an array using two proce
Demarcation is the point in which responsibility changes hands.
Security models by giving striking analogies to the real world A classical case study: (With due acknowledgements to the security exponent who proposed this theory.) He has c
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
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