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Question: Wireless Access points have been known to have various security vulnerabilities that can lead to breach of Secured wired networks. IEEE 802.11 standards have identifi
Length This is a 16 bit field that defines the total length of the user datagram, header plus data. This 16 bit can define a total length of a 0 to 65, 535 bytes.
Q. Show the Class A Addresses? Class A Addresses Numerically the lowest Use merely one byte to identify the class type and netid Three bytes are obtainable
Repeaters - Operate only in physical layer - Connects two segments of the same LAN - Both segments must be of the same protocol - Only forwards frames; does not filter
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
PACKET SWITCHES: To span large distances or several computers, networks must removed shared phase with packet switches. Each switch moves whole packet from one connection to
What is Synchronous TDM? In STDM, the multiplexer allocates exactly the same time slot to every device at all times, whether or not a device has anything to transmit.
popular digital encoding schemes ?
Session layer protocols consists of NFS, SQL, RPC, Appletalk Session Protocol (ASP), XWindows, and NetBEUI.
Q. Explain about Bandwidth – delay product? Bandwidth - delay product - A measure of competence of ARQ system = bandwidth (bits per second) * round-trip delay (in seco
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