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Carrier Sense Multiple Access/Collision Avoidance
a) Necessary since wireless LANs cannot implement CSMA/CD
b) Collision detection requires increased bandwidth requirements
c) Collisions might not be detected due to obstacles
d) Distance between stations may prevent collisions from being heard
e) Collision avoidance is accomplished through network allocation vector (NAV)
Q. Which steps are used at receiver end by check sum? The receiver follows these steps: The unit is divided into "k" sections each of "n" bits All sections are
These two command show the cisco IOS filename a) show ver b) show flash
Medium Earth Orbiting satellite is an orbit which is located just above the few hundred miles to a few thousands above the earth surface. It is of higher advantage than Low orbit s
Control Frame: set_successor Station X wants to leave Successor S Predecessor P X sends set_successor frame to P With S as data field P changes its
What is the concept of gateway of last resort?
Encoding Process c= uG u: binary data sequence of length 4( input) G: Generator matrix which is 7*4 c: Codeword D
To execute any algorithm, selection of a proper data structure is very crucial. A particular operation may be executed with a data structure in a smaller time but it may have a ver
wan notes
A default route is used if there is not a particular entry in the routing table for the destination.
How is final different from finally and finalize ()? Final is a modifier which can be applied to a class or a method or a variable. final class can't be inherited, final method
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