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After router A receives the BGP update for the 10.3.3.0/24 prefix, which routers will the route be propagated to?
Suggested Answer: E
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30 comments · newest first
ST
Stephaine
6 months ago
I doubt E. B is more logical for stability.
HO
Hobert
7 months ago
I feel E could be right too, only eBGP neighbors.
GO
Golda
7 months ago
But A could cause issues. B is safer.
JE
Jeanice
7 months ago
I’m leaning towards A. Why not share with all?
ST
Stephania
7 months ago
Agreed, B makes sense. Avoids loops.
AR
Arlene
7 months ago
I think it's B. Router A won't send it back to router B.
MI
Micheal
8 months ago
Definitely not D), that's not how BGP works.
OZ
Ozell
8 months ago
Wait, so it doesn't go back to router B? That seems odd.
WI
William
8 months ago
Totally agree with B), makes the most sense!
MI
Micah
8 months ago
I think it's E) only eBGP neighbors.
AU
Audra
9 months ago
It's B) for sure, can't send it back to the source.
LE
Levi
9 months ago
B) All routers with which it has a BGP session, except the router it received the update from, which is router B. Duh, it's the only one that makes sense. Unless, of course, the question is a trap...
AN
Antonio
9 months ago
E) Only eBGP neighbors. Wait, what? I thought this was an iBGP update. Someone's trying to trick us here.
LE
Levi
9 months ago
C) All routers with which it has a BGP session, except the router it received the update from, which is router C. Gotta love these tricky BGP questions!
VI
Virgina
9 months ago
I feel like it’s definitely not A, but I’m torn between B and C. I need to remember which router A received the update from.
MA
Marcos
9 months ago
I practiced a similar question where the update was only sent to eBGP neighbors. I wonder if that applies here too.
JO
Joesph
10 months ago
I'm feeling pretty confident about this one. BGP update propagation is something I've studied a lot for this exam.
JE
Jesusita
10 months ago
I've got a strategy for these types of BGP questions. Let me walk through the options and see which one fits best.
OR
Ora
10 months ago
Ugh, BGP questions are the worst. I'm going to have to really focus on this one to get it right.
MA
Marjory
10 months ago
I’m not entirely sure, but I remember something about eBGP and iBGP sessions. Could it be E?
NA
Natalie
10 months ago
B) All routers with which it has a BGP session, except the router it received the update from, which is router B. Seems like the most logical answer.
MA
Maynard
11 months ago
I think the answer might be B, since BGP usually doesn’t send updates back to the router it received them from.
ON
Onita
11 months ago
D) All routers with which it has a BGP session, except the router it received the update from, which is router D. I'm pretty sure that's the correct one.
CA
Cassie
11 months ago
Okay, let me see if I can break this down step-by-step. I think I know the answer, but I want to make sure I'm not missing anything.
JU
Jutta
11 months ago
Hmm, this looks like a tricky BGP question. I'll need to think through the BGP update propagation rules carefully.
NI
Niesha
6 months ago
I agree, B is the best choice.
XO
Xochitl
6 months ago
A is too broad, right?
MA
Matt
6 months ago
But what about option A?
MA
Margot
6 months ago
Yeah, that makes sense.
CA
Candida
6 months ago
I think it's B.