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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
Q. Explain physical layer of Osi reference model? - The physical layer deals among the physical characteristics of the transmission medium. - It defines the mechanical, elec
State the example of intranet security Imagine a situation when a company develops a major new product secretly using its Intranet. Hackers break the security and take away all
The distance over which data moves within a computer may differ from a few thousandths of an inch, as is the case within a one IC chip, to as much as lot of feet along the backplan
DNS spoofing This process is generally refers to the process of responding a DNS request that was supposed to implement for another server. This can be in the case where the s
Describe Circuit switching, Packet switching and Virtual Circuit Packet switching. Explain their suitability for different applications such as telephone and internet. Packet S
Describe the term - License-free operation Users would prefer to buy and operate wireless LAN products without having to secure a license for the frequency band used by the LAN
100Base-TX Uses two category 5 UTP cable pairs or else two STP cable pairs to connect stations to a hub (star) One pair holds frames from station to hub one pair from
Q. Explain about Congestion control? Congestion control Open-loop congestion control - prevent congestion before it happens retransmission policy - Ret
Definition of CSMA/CD CSMA/CD (Carrier Sense Multiple Access with Collision Detection) is used to minimize collisions, coordinate traffic and maximize number of frames deliver
Set Cookies 1178345 When Hussan browser receives the HTTP response message it sees the set cookies header. The browser then appends a line to the special cookie file th
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