GATE | Gate IT 2005 | Question 31

Which of the following statements is FALSE regarding a bridge?
(A) Bridge is a layer 2 device
(B) Bridge reduces collision domain
(C) Bridge is used to connect two or more LAN segments
(D) Bridge reduces broadcast domain


Answer: (D)

Explanation:

  • Bridge is a layer 2 device -TRUE //A device used to connect two separate Ethernet networks into one extended Ethernet and Ethernet works on DATA LINK Layer
  • Bridge reduces collision domain-TRUE//A bridge is a two interfaces device that creates 2 collision domains, since it forwards the traffic it receives from one interface only to the interface where the destination layer 2 device (based on his mac address) is connected to.
  • Bridge is used to connect two or more LAN segments -TRUE // It is its sole purpose
  • Bridge reduces broadcast domain- FALSE //Bridge can reduce collision domain but can NOT reduce broadcast domain

Therefore, Answer is D

 



 

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