Access control is more of a problem for wired lans than for wireless lans. a. true b. false

false

Media access control methods allow computers to transmit signals over a network cable. This only ensures that one PC transmits at a time. A collision can occur especially in wired networks if two PCs place signals simultaneously on the wire. Collision Avoidance which is a feature of the MAC layer is not feasible in wireless environments.  

Windows defender is an antispyware software.it does not work effectively if any other antispyware is added.

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