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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.
Describe shor note on Physical layer?
Q. Illustrate Data-Link Layer in osi layers model? Data-Link Layer: This layer takes the data messages or frames from the Network Layer and gives for their actual transmissio
What is the IEEE specification for Spanning Tree Protocol Ans) IEEE 8021.d Spanning Tree Protocol (STP) was developed to stop routing loops in a network. If a router, switch, or
what is routing
Develop traffic flow mapping and performance requirements for flows. A) Traffic Flow Mapping B) Performance Requirements
• This device creates one big collision domain and one large broadcast domain.
Q. What are the Tools sued for Cryptography and Web Security? Tools - Cryptography VPN - remote access PGP - email Dedicated Circuits -tunnels' - IPSec
Fixed version of rdt 2.0 rdt 2.1 The rdt 2.1 sender and receiver FSM each now have twice as many states as before. This is because the protocols state must now refle
Define the terms Unicasting, Multiccasting and Broadcasting? If the message is sent from a source to a one destination node, it is called Unicasting. If the message is sent
- Light source is LED (light-emitting diode) or a laser - LEDs are cheaper however not as precise (unfocused) limited to short-distance use - Lasers is able to have a narrow
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