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What is CRC
The CRC is computed while transmission and appended to output stream as soon as last bit goes out onto wire. If the CRC were in header, it will be necessary to make a pass over frame to compute CRC before transmitting. This would need each byte to be handled twice-once for check summing and one time for transmitting. Using trailer cuts the work in half.
NICs Network interface cards, commonly referred to as NICs are used to connect a PC to a network. The NIC gives a physical connection among the networking medium and the comput
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
FDDI Media FDDI signifies a 100 Mbps token-passing dual-ring LAN that uses a fiber-optic transmission medium. Even though it operates at faster speeds FDDI is similar to Tok
SWITCHING: A switched LAN has a single electronic device that sends frames among the connected devices. A hub with several ports simulates a single shared phase. However a swi
Q. Illustrate the Bus Backbone network? - Topology is a bus - Utilized in networks such as 10Base5 or 10Base2 - Normally utilized to connect different buildings or to con
Determine the method to protect the Web servers The company should install additional levels of security measures since it is possible for hackers to generate and send data wit
IEEE 802.4-Token bus Physical line or tree however logical ring. Stations know "left" as well as "right" stations. One token "passed" from station to station. Only station with
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
What is the difference between trigger and rule? Ans) The triggers are known as implicitly by database generated events, whereas stored procedures are known as explicitly by cli
What is Client/Server? Clients and Servers are part logical entities that work together over a network to accomplish a task. Lots of systems with very dissimilar architectures
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