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What is VRC? It is the most common and least costly mechanism for Error Detection. In VRC, a parity bit is added to each data unit so that the total number of 1s becomes even f
What is the role of IEEE in computer networking? IEEE, or the Institute of Electrical and Electronics Engineers, is an organization composed of engineers that issues and manage
Simplicity The advantage of this approach is the simplicity of receiver buffering. The receiver need not buffer out of order packets the sender must maintain the upper an
Q. What is Bipolar Encoding? - Uses three voltage levels negative, positive and zero - Zero level represents binary 0; 1s are represented with alternating positive and negat
Q. What is Aspects of Security? - Security Attack: Any action whichcompromises the security of information owned by an organization. - Security Mechanism: A mechanism th
Address Resolution Protocol resolves the MAC address if the IP address is known. It is a layer 3 protocol.
Explain the physical and logical paths in a computer communication network also
Question: a) Compare Bluetooth and WIFI based networks over the following factors: Data rate, Range, Application Focus, Battery Power, Frequency Band, Security. b) Differe
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
Cut-Through is the best mode of switching. Store and Forward reads in the whole frame, confirms the frame is valid, and then forwards the frame onto the wire. Cut-Through only chec
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