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Nokia 4A0-102 Exam - Topic 5 Question 75 Discussion

Which regular expression will match the AS Path of a route originating in remote AS 65100?
A) '.+ 65100'
B) '65100.+'
C) '.* 65100.*'
D) '65100'

Nokia 4A0-102 Exam - Topic 5 Question 75 Discussion

Actual exam question for Nokia's 4A0-102 exam
Question #: 75
Topic #: 5
[All 4A0-102 Questions]

Which regular expression will match the AS Path of a route originating in remote AS 65100?

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Suggested Answer: A

by Leoma at Jan 27, 2025, 05:50 AM

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Helene
9 months ago
Surprised that B is even an option!
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Merissa
9 months ago
I agree with C, it covers all bases.
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Micaela
10 months ago
Wait, isn't D too simple for this?
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Emelda
10 months ago
Definitely not, it's C for sure.
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Mabel
10 months ago
I think option B is correct!
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Heike
10 months ago
I feel like option B could be correct too, since it starts with '65100', but I’m not sure if it captures the entire path correctly.
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Rosalia
11 months ago
I'm a bit confused about the difference between options A and C. I thought both could potentially match the AS Path, but I can't recall which one is more specific.
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Derrick
11 months ago
I remember practicing with similar questions, and I feel like option C might be the right choice since it allows for '65100' to appear anywhere in the path.
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Amber
11 months ago
I think the AS Path should definitely include '65100', but I'm not sure if it needs to be at the beginning or if it can be anywhere in the string.
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Paris
11 months ago
I'm a bit confused by this question. There are a few different ways the regex could match the AS Path. I'm not sure if I should go with the more specific B or the more general C. I'll have to think about this one a bit more.
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Gladys
11 months ago
Ah, this is a good one. I'm pretty confident the answer is A, '.+ 65100'. The question specifies the route originates in AS 65100, so the regex needs to have 65100 at the end of the string.
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Huey
11 months ago
Hmm, I'm not too sure about this one. The question is a bit tricky. I'm thinking maybe C, '.* 65100.*', since that would match any AS Path that contains 65100 anywhere in the string.
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Pamella
11 months ago
I think the answer is B, '65100.+'. The question is asking for a regular expression that matches the AS Path of a route originating in remote AS 65100, so the regex needs to have 65100 somewhere in it.
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Wei
2 years ago
A seems like the most comprehensive option. Gotta love those greedy wildcards, am I right?
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Staci
1 year ago
I agree, A) is the most comprehensive choice. Greedy wildcards make it easier to match the AS Path.
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Louis
2 years ago
A) .+ 65100 is definitely the way to go. Greedy wildcards for the win!
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Larae
2 years ago
Haha, D is just too simple. This is a routing exam, not a kindergarten quiz!
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Jules
1 year ago
D) '65100'
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Cyndy
1 year ago
C) '.* 65100.*'
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Wayne
2 years ago
B) '65100.+'
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Barb
2 years ago
A) '.+ 65100'
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Fannie
2 years ago
That makes sense, I change my answer to D) as well
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Lawrence
2 years ago
I think the correct answer is D) '65100' because it specifically matches routes originating in AS 65100
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Aimee
2 years ago
C looks good to me. Gotta catch that AS Path from any direction, you know?
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Kathrine
2 years ago
Yeah, C seems like the most comprehensive option to match the AS Path from remote AS 65100.
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Thomasena
2 years ago
I think C is the correct answer too. It covers all possibilities.
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Annabelle
2 years ago
But wouldn't option A match any characters before 65100 as well?
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Dean
2 years ago
Hmm, I think B is the way to go. The AS Path should have 65100 at the end, right?
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Kiley
2 years ago
I think C might also work, as it allows for any characters before and after 65100 in the AS Path.
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Elvis
2 years ago
I agree, B seems like the correct choice. It should match AS Path with 65100 at the end.
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Fannie
2 years ago
I disagree, I believe the answer is B) '65100.+'
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Annabelle
2 years ago
I think the answer is A) '.+ 65100'
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