Doug,
I see you're using one of your "lifelines"
I'd go with answer B & make it your final answer.
Reason as stated in the ACRC book is "The only time a DR or BDR will
change is if one of them goes down. If the DR goes down, the BDR takes over
as the DR and a new BDR is elected. If the BDR goes down, a new BDR is
elected."
HTH,
Steve
"Doug Laing" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> This is a question for study purposes. I want to verify what I think
> the answer is:
>
> Let's say Router A is the Designated Router with priority of 100 and
> fails. Router B (Backup Designated Router) with priority of 90 becomes
> the DR and Router C with a priority of 80 becomes the BDR.
>
> If Router A comes back up on the network?
> A) An election held and Router A becomes the DR and Router B becomes the
> BDR..
>
> B) No election is held until Router B goes down. Then Router A becomes
> the DR and Router C remains the BDR.
>
> C) No election is held until Router B goes down. Then Router C becomes
> the DR and Router A becomes the BDR.
>
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