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F5 Networks 201 Exam - Topic 2 Question 98 Discussion

A virtual server is listening at 10.10.1.100:80 and has the following iRule associated with it:when HTTP_REQUEST { if { [HTTP::header UserAgent] contains "MSIE" }{ pool MSIE_pool }else { pool Mozilla_pool }If a user connects to http://10.10.1.100/foo.html and their browser does not specify a UserAgent, which pool will receive the request?
B) Mozilla_pool
A) MSIE_pool
C) None. The request will be dropped.
D) Unknown. The pool cannot be determined from the information provided.

F5 Networks 201 Exam - Topic 2 Question 98 Discussion

Actual exam question for F5 Networks's 201 exam
Question #: 98
Topic #: 2
[All 201 Questions]

A virtual server is listening at 10.10.1.100:80 and has the following iRule associated with it:

when HTTP_REQUEST { if { [HTTP::header UserAgent] contains "MSIE" }

{ pool MSIE_pool }

else { pool Mozilla_pool }

If a user connects to http://10.10.1.100/foo.html and their browser does not specify a UserAgent, which pool will receive the request?

Show Suggested Answer Hide Answer
Suggested Answer: B

by Eric at Sep 19, 2024, 10:35 AM

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Jessenia
9 months ago
I thought it would drop the request if there's no UserAgent.
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Colette
10 months ago
I agree, it should be Mozilla_pool. That's standard behavior.
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Tyra
10 months ago
Wait, are we sure about that? What if the iRule behaves differently?
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Providencia
10 months ago
Definitely Mozilla_pool! No UserAgent means no MSIE.
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Derrick
10 months ago
The UserAgent is empty, so it goes to Mozilla_pool.
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Ligia
10 months ago
I feel like the answer is D, but I can't recall if the iRule has a fallback for missing headers. This is tricky!
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Mitsue
11 months ago
I'm a bit confused. Does the absence of a UserAgent mean the request is dropped, or does it just go to a default pool?
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Leonora
11 months ago
I think I practiced a similar question where the absence of a UserAgent led to a specific pool being chosen. Could it be Mozilla_pool?
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Svetlana
11 months ago
I remember that if the UserAgent header is missing, it defaults to the else condition, but I'm not entirely sure if it goes to Mozilla_pool.
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Odette
11 months ago
This is a tricky one. The iRule logic seems clear, but the question is specifically about a request without a User-Agent. I'll have to think it through carefully.
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Denae
11 months ago
I'm not sure about this one. The question doesn't provide enough information about the behavior when the User-Agent header is missing. I'll need to make an educated guess.
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Lavina
11 months ago
Okay, I've got this. If the User-Agent header is not present, the request will not match the "MSIE" condition, so it will be routed to the Mozilla_pool.
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Leota
11 months ago
This looks like a straightforward iRule question. I'll carefully read through the iRule logic and think about how it would handle a request without a User-Agent header.
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Lorita
11 months ago
Hmm, I'm a bit confused by the iRule syntax. I'll need to review how these conditional statements work to determine the correct pool.
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Shaunna
2 years ago
I agree with Carlee, it should go to Mozilla_pool.
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Carlee
2 years ago
I believe the request will go to Mozilla_pool.
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Kendra
2 years ago
I think the request will be dropped.
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Victor
2 years ago
This question is as clear as mud. If the user's browser doesn't have a UserAgent, it's like they're trying to sneak into a party without an invitation. C) None. The request will be dropped, and they'll have to try again with a proper UserAgent.
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Leigha
2 years ago
D) Unknown. The pool cannot be determined from the information provided.
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Alana
2 years ago
C) None. The request will be dropped.
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Lillian
2 years ago
B) Mozilla_pool
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Owen
2 years ago
A) MSIE_pool
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Garry
2 years ago
Well, this is a tricky one. If the browser doesn't tell us what it is, how can the iRule decide which pool to use? Gotta be C) None. The request will be dropped. No UserAgent, no pool!
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Kelvin
2 years ago
Hmm, interesting question. If the UserAgent isn't specified, I'd say the request is in a bit of a limbo. I'll have to go with D) Unknown. The pool cannot be determined from the information provided.
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Marleen
2 years ago
I'm not sure, but I think it makes sense that the request will be dropped.
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Mable
2 years ago
I agree with you, I also think the request will be dropped.
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Sabina
2 years ago
I think the request will be dropped, so I'll go with C) None.
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Ligia
2 years ago
If the user's browser doesn't specify a UserAgent, the iRule won't be able to determine which pool to send the request to. I'd go with C) None. The request will be dropped.
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Emmanuel
2 years ago
Yes, that's correct. The iRule needs the UserAgent to determine which pool to send the request to.
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Refugia
2 years ago
So, if the browser doesn't specify a UserAgent, the request will just be dropped?
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Craig
2 years ago
That makes sense, the iRule won't know where to send the request without the UserAgent.
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Galen
2 years ago
I agree with you, C) None. The request will be dropped.
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