What is the most common layer 2 device?
A. Hub
B. Bridge
C. Switch
D. Router
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Answer / nishant mendhe
C b"cos switch is works @ layer 2 n hub is works @ layer 1
| Is This Answer Correct ? | 14 Yes | 0 No |
Answer / mushtaq
C is the best answer
hub works on physical layer
switch works on datalink layer
switch is mutiport repeater
hence switch is best answer.
| Is This Answer Correct ? | 14 Yes | 1 No |
Give some benefits of LAN switching.
in the ospf area network dr and bdr selection procedure occur let there are 4 router in that n/w r1 have the higher priority then r2 and r2 have higher priority then r3 and so on like that r1>r2>r3>r4 now as we know that selection of dr and bdr based upon the router priority so in this case r1 will be dr and r2 will be bdr now my question is that if i am going to implement 5th router which have greater priority then r1 then will it become dr atomically remember that i am not going change my 5 or 1st router property answer that one please
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CCNA 
