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Router R3 is configured with an import policy to reject updates with an AS Path matching the regular expression ".+ 65540". Which of the following regarding updates originating in AS 65540 is TRUE?
Suggested Answer: C
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31 comments · newest first
CH
Chanel
11 months ago
I disagree, D can't be right if R3 has that policy.
DE
Deja
11 months ago
Wait, how can R3 accept updates from R2? That seems off.
CH
Chaya
11 months ago
Definitely B, that makes the most sense.
MA
Maile
12 months ago
I think it only rejects updates from R1, not R2.
AL
Allene
12 months ago
Router R3 rejects all updates from AS 65540.
DA
Dana
1 year ago
I’m leaning towards option D, but I’m not confident. I remember something about how AS Path matching works, and it’s tricky!
NE
Nelida
1 year ago
I feel like R3 might accept updates from R1 but not from R2, but I can't recall the exact details of the policy.
VE
Verda
1 year ago
I think I practiced a similar question where updates were accepted based on the path. Could it be that R3 accepts some updates depending on the router?
RE
Remona
1 year ago
I remember something about AS Path filtering, but I'm not sure if it completely rejects all updates from AS 65540.
RO
Royal
1 year ago
Hmm, I'm a bit confused about the terminology here. I'll need to review my notes on network protocols to make sure I understand the difference between LMCP and LACp packets.
LE
Lewis
1 year ago
Okay, I think I've got this. The requirement is to make sure Product A can't be removed, so the "Required" option seems like the best choice here.
SH
Shawnee
1 year ago
Okay, I think I've got it. The key is to find the right balance between thorough testing and not slowing down the release too much.
ST
Staci
1 year ago
I'm pretty sure the answer is 0 parameters for a default constructor. That's the whole point of a default constructor - it doesn't take any arguments.
LO
Loren
1 year ago
I'm feeling pretty confident about this one. I just need to do some simple calculations using the given information to arrive at the correct answer.
NE
Nettie
1 year ago
Wait, is this a trick question? If R3 is configured to reject updates with a specific AS Path, shouldn't it just reject everything coming from AS 65540, regardless of the route? I'm going with A, but honestly, I might need to consult a router whisperer for this one.
DO
Dottie
1 year ago
Aha, I've got it! B is the correct answer. R3 is looking at the AS Path, not the origin AS, so it'll reject updates from R2 but accept the ones from R1. Easy peasy, just like configuring BGP on a Friday night.
LA
Lavonda
1 year ago
This is a tricky one, but I think D is the way to go. R3 is configured to reject updates with a specific AS Path, not the origin AS, so it should accept from both R1 and R2. Routers, the gift that keeps on giving headaches!
NA
Nan
1 year ago
Exactly, it's all about the AS Path matching the regular expression. Routers can definitely be tricky sometimes!
LE
Leota
1 year ago
So, even though the updates are originating in AS 65540, as long as they are not transited through R2, R3 should accept them.
WE
Wendell
1 year ago
Yeah, that makes sense. R3 is only configured to reject updates based on the AS Path, not the origin AS.
FR
Freeman
1 year ago
I agree, I think D is the correct answer. R3 should accept updates from both R1 and R2.
AL
Alline
1 year ago
I'm going with C. Seems like R3 would accept updates from R2 since they're just transiting, but reject the ones directly from R1 in AS 65540. Gotta love those regular expressions!
BR
Brunilda
1 year ago
I'm leaning towards B. R3 should accept updates received from R1 and reject updates transited through R2.
RE
Reynalda
1 year ago
I agree with C. R3 would accept updates transited through R2 but reject updates received from R1 in AS 65540.
DE
Desiree
1 year ago
I think D is the correct answer. R3 should accept updates from both R1 and R2.
PA
Paris
2 years ago
Hmm, that makes sense. Router R3 would only reject updates transited through router R2 based on the import policy.
FE
Fernanda
2 years ago
Hmm, looks like the correct answer is B. R3 rejects updates with AS Path matching the regex, so it should accept updates from R1 and reject those from R2 since they're transiting through AS 65540.
BR
Brent
1 year ago
That makes sense. R3 is configured to reject updates with AS Path matching the regex, so it will only accept updates from R1.
RO
Rosendo
1 year ago
I agree, the correct answer is B. R3 will accept updates from R1 and reject updates from R2.
CH
Charlene
2 years ago
I disagree, I believe the answer is B) Router R3 accepts updates received from router R1 and rejects updates transited through router R2.
PA
Paris
2 years ago
I think the answer is A) Router R3 rejects all updates originating in AS 65540.