F5 Networks F5CAB5 Exam - Topic 4 Question 3 Discussion

Actual exam question for F5 Networks's F5CAB5 exam

Question #: 3
Topic #: 4

[All F5CAB5 Questions]

Which Virtual Server type prevents the use of a default pool?

APerformance (Layer 4)

BForwarding (IP)

CPerformance HTTP

DStandard

Show Suggested Answer

Suggested Answer: B

In BIG-IP TMOS administration, the 'Forwarding (IP)' virtual server type is unique because it is designed to act as a high-performance router rather than a typical load balancer. Unlike a 'Standard' virtual server, which terminates a connection and directs it to a specific pool of members, a Forwarding (IP) virtual server is intended to forward packets based on the system's routing table. Consequently, the configuration for this type of virtual server explicitly removes the option to associate a default pool. If an administrator is troubleshooting a scenario where they cannot assign a pool to a virtual server, they must verify if the type was accidentally set to Forwarding (IP). This type is most commonly used for outbound internet traffic (outbound SNAT) or to allow the BIG-IP to serve as a gateway between internal subnets. Identifying this constraint is vital for troubleshooting configuration errors where an administrator expects the system to load balance traffic but finds the pool association settings are grayed out or unavailable in the Configuration Utility.

by Brittni at Jan 24, 2026, 03:02 AM

Limited Time Offer

25%

Off

Get Premium F5CAB5 Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

Submit Cancel

Lakeesha

26 days ago

I think it's B) Forwarding (IP). No default pool allowed.

upvoted 0 times

...

Terrilyn

1 month ago

Yeah, B makes sense. Default pools are tricky!

upvoted 0 times

...

Kerrie

1 month ago

I always get confused with these options.

upvoted 0 times

...

Estrella

1 month ago

Wait, are you sure? I thought it was A) Performance (Layer 4).

upvoted 0 times

...

Albert

2 months ago

Totally agree, that's the right answer!

upvoted 0 times

...

Stefan

2 months ago

It's B) Forwarding (IP) that prevents default pools.

upvoted 0 times

...

Daniel

2 months ago

I'm going with B) Forwarding (IP). It's the most straightforward option that doesn't mention anything about pools.

upvoted 0 times

...

Joaquin

2 months ago

Haha, this question is a real brain-teaser. I'm just going to guess and hope for the best!

upvoted 0 times

...

Donte

2 months ago

D) Standard is the correct choice. It's the only one that doesn't have any special features that would prevent a default pool.

upvoted 0 times

...

Alpha

2 months ago

C) Performance HTTP seems like the right answer. It's the only one that's specifically about HTTP performance.

upvoted 0 times

...

Artie

3 months ago

I think it's B) Forwarding (IP). That's the only one that doesn't mention a default pool.

upvoted 0 times

...

Edison

3 months ago

I recall that Performance HTTP is often discussed in relation to default pools, but I can't remember if it prevents their use.

upvoted 0 times

...

Donte

4 months ago

I’m a bit confused. I thought all types could use a default pool, but maybe D) Standard is the exception?

upvoted 0 times

...

Lou

4 months ago

I practiced a similar question last week, and I believe it was about Performance (Layer 4) not allowing a default pool. Could be A) though.

upvoted 0 times

...

Truman

4 months ago

I think the answer might be B) Forwarding (IP), but I'm not entirely sure. I remember something about it not using a default pool.

upvoted 0 times

...

Domingo

4 months ago

I'm a little unsure about this one. I remember learning about the different virtual server types, but I'm having trouble recalling the specifics of which one doesn't use a pool. I'll make an educated guess and go with B) Forwarding (IP), but I'm not 100% certain.

upvoted 0 times

...

Niesha

4 months ago

Okay, let me think this through step-by-step. The question is asking which virtual server type prevents the use of a default pool. I know Performance (Layer 4) and Performance HTTP both use pools, so those are out. Standard virtual servers do use pools, so that's not the answer. That leaves Forwarding (IP) as the only option that doesn't use a pool. I'm confident that's the right answer.

upvoted 0 times

...

Thurman

4 months ago

Hmm, I'm a bit confused on this one. I know the different virtual server types have different capabilities, but I can't remember which one prevents the use of a default pool. I'll have to think this through carefully.

upvoted 0 times

...

Wei

5 months ago

I'm pretty sure the answer is B) Forwarding (IP), since that type of virtual server doesn't use a pool.

upvoted 0 times

...