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802.11 Architecture
ESS (Extended service set) two or more BSSs with APs connected through a distribution system (wired LAN) in an infrastructure network
Transition Phases A PPP connection goes through phases which can be shown in a transition phase . Dead: In the dead phase the link is not being used. There is no ac
Control Frame: claim_token Consider first station turned on Station notices no tokens Sends claim_token No competitors, so makes a ring of just itself P
popular digital encoding schemes ?
Q. Define the Network Security? The Internet and Web technology presents enormous promise for e-commerce. Web now is used to handle important business assets that became the
Q. Explain the Bit-Level Encryption? Bit-Level Encryption - Data is divided into blocks of bits then altered by encoding/decoding, permutation, substitution, exclusive OR
Q. Describe about Domain Name Space ? - Structure for systematize the name space in which names are defined in an inverted-tree structure with the root at the top - Every l
Protocol Layering To design structural network protocols the designers organize protocol and use the network hard ware and software to implement the protocol in layers. E
Authoritative DNS Servers Every organization with publicly accessible hosts ( such as web server and mail several on the internet must provide publicly accessible D
What are the different kinds of host in multicasting?
State about the communications network 1) The communications network may only accept blocks of data up to a specific size. (2) Error control might be more effective with a
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