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F5 Networks F5CAB3 Exam - Topic 1 Question 1 Discussion

Posted by Alfred on Jan 28, 2026 at 03:40 PM

Users are unable to reach an application. The Virtual Server shows a red diamond status.

What is the cause?

Suggested Answer: A

A red diamond indicates that the Virtual Server is enabled but unavailable, typically due to all pool members being down.


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26 comments · newest first
EL
Eleonora 3 months ago
D) Pool members disabled could also be a reason. We should check that too.
DO
Donte 4 months ago
I agree with A. If all members are down, users can't connect.
CH
Cherelle 4 months ago
I lean towards C) Virtual Server disabled. It could happen easily.
ST
Stephaine 4 months ago
I think it's A) All pool members are down. That makes sense.
KI
Kiley 5 months ago
Could also be pool members disabled, but I'm leaning towards A.
LE
Lezlie 6 months ago
Wait, how can all pool members be down? That seems unlikely.
EL
Elvera 6 months ago
Definitely not B, that doesn't make sense.
BE
Benton 6 months ago
I think the virtual server might be disabled.
AA
Aaron 6 months ago
Looks like all pool members are down.
CH
Cherry 6 months ago
A) All pool members are down. Yep, that's my pick.
KE
Kerry 6 months ago
B) HTTPS traffic sent to HTTP VS. Haha, classic mistake!
LE
Leonie 7 months ago
D) Pool members disabled. Definitely the culprit here.
DI
Dierdre 7 months ago
C) Virtual Server disabled. Seems like the obvious answer to me.
SC
Scot 7 months ago
A) All pool members are down. That's gotta be it!
CR
Crista 7 months ago
I feel like D could be a possibility, but I also recall that if all pool members are down, it would show a red status too. It's confusing!
RO
Roselle 7 months ago
I’m leaning towards C, but I feel like there were questions about disabled pool members too. It’s hard to remember which one it was.
AL
Alpha 8 months ago
I remember something about HTTPS and HTTP mismatches causing issues, so could it be B? That sounds familiar from our practice questions.
DA
Dahlia 8 months ago
I think the red diamond status usually means something is wrong with the pool members, so maybe it's A? But I'm not entirely sure.
TA
Tamesha 8 months ago
Alright, let me think this through step-by-step. First, I'll check the Virtual Server status. Then I'll look at the pool member health. That should help me narrow it down.
JA
Janna 9 months ago
I'm a bit confused here. Could it also be that the pool members are disabled? I'll need to review the options carefully.
DA
Dahlia 9 months ago
The question mentions HTTPS traffic sent to an HTTP Virtual Server, so that's definitely a possibility too. I'll need to double-check the configuration.
HY
Hyun 9 months ago
Okay, so the Virtual Server is showing a red diamond status. That's not good. I'm thinking it could be either all pool members are down or the Virtual Server is disabled.
AL
Aliza 9 months ago
Hmm, this looks like a tricky one. I'd start by checking the Virtual Server status and pool member health.
GE
Gertude 3 months ago
↳ replying to Aliza
Don't forget about the HTTPS to HTTP issue. That could cause problems too.
JA
Jacinta 3 months ago
↳ replying to Aliza
Could be, but what if the Virtual Server is disabled?
LA
Latricia 3 months ago
↳ replying to Aliza
I think the red diamond means all pool members are down.
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