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What is Stop-and-Wait Protocol?
In Stop and wait protocol, sender sends single frame, waits unless it receives confirmation from the receiver (okay to go ahead), and then sends the next frame.
Security Security is the protection of hardware software and data from unauthorized access. Restricted physical access to computer password protection limiting user priv
What is a LAN? LAN stands for Local Area Network. It refers to the connection among computers and other network devices that are located within a small physical location.
REPEATERS: Repeaters are needed when copper wire communication is takes place. According to the fact that electrical signal goes weaker while travelling over copper lines. A
Can you describe the concept of CDMA?
IEEE 802.3 frame format
LEASED SATELLITE CHANNEL: It may span arbitrarily big distance. It is given in the figure below. Figure Satellite connections are low bandwidth to protect cost
Determine about unique least-cost path If there is a unique least-cost path, the two algorithms will yield the similar result because they are both guaranteed to search the lea
Q. Show the Importance of Security? The Internet presents enormous business opportunities. The Internet is open to public, vulnerable to various attacks. One of the major
Q. Physical Layer Responsibilities of osi model? - Physical characteristics of interfaces as well as media - Representation of bits with no interpretation - Data rate is
Perfect Shuffle Permutation This was advised by Harold Stone (1971). Consider N objects each characterized by n bit number say X n-1, X n-2, X 0 (N is chosen such that N
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