Discuss F5 Networks F5CAB3 Exam Topic 1 Question 5

All pool members are online. All other virtual server settings are at default.

What might alter the load balancing behavior? (Choose one answer)

AAdding a OneConnect profile

BEnabling SNAT automap

CEnabling a fallback host in the HTTP profile

DAdding a persistence profile

Suggested Answer: D

By default, BIG-IP load balancing algorithms (such as Round Robin) distribute connections evenly across all available pool members. However, persistence profiles override normal load balancing decisions by forcing subsequent connections from a client to be sent to the same pool member.

According to the BIG-IP Administration: Data Plane Configuration documentation:

Persistence creates a client-to-server mapping that is honored before load balancing algorithms are applied.

When persistence is enabled, BIG-IP may repeatedly select the same pool member even if others are available.

This directly alters load balancing behavior.

Why the other options are incorrect:

A . Adding a OneConnect profile

OneConnect optimizes server-side TCP connections but does not change which pool member is selected.

B . Enabling SNAT automap

SNAT affects source address translation, not pool member selection.

C . Enabling a fallback host in the HTTP profile

A fallback host is only used when no pool members are available.

Correct Resolution:

Adding a persistence profile alters load balancing behavior by maintaining client affinity to a specific pool member.

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26 comments · newest first

Delsie 3 months ago

Adding a persistence profile seems crucial too. It keeps sessions stable.

Mica 4 months ago

What about enabling a fallback host? It could affect traffic flow.

Mari 4 months ago

I’m leaning towards enabling SNAT automap. It helps with IP address management.

Royce 4 months ago

I think adding a OneConnect profile could change things. It optimizes connections.

Alida 5 months ago

I didn't realize these settings could affect load balancing so much.

Willis 6 months ago

Wait, a fallback host in the HTTP profile? That sounds interesting!

Ona 6 months ago

Not sure about that, I feel like a persistence profile would have more impact.

Ressie 6 months ago

I think enabling SNAT automap is the way to go!

Maile 6 months ago

Adding a OneConnect profile can change how connections are handled.

Graciela 6 months ago

Haha, I bet the exam writer was trying to trick us with those other options. Nice try!

Curt 6 months ago

Enabling SNAT automap is the way to go. Easy peasy!

Gracie 7 months ago

Hmm, I was thinking option D, but SNAT automap makes more sense.

Cheryll 7 months ago

I agree, SNAT automap is the way to go here.

Rory 7 months ago

Option B is the correct answer. Enabling SNAT automap will alter the load balancing behavior.

Amina 7 months ago

I’m leaning towards enabling a fallback host in the HTTP profile, but I’m not confident if that really alters load balancing behavior.

Marcos 7 months ago

I feel like we had a practice question about persistence profiles and their impact on load balancing. Could that be the answer?

Terrilyn 8 months ago

I think enabling SNAT automap might change how traffic is routed, but I can't recall the specifics.

Kate 8 months ago

I remember discussing OneConnect profiles in class, but I'm not entirely sure how they affect load balancing.

Dorothea 8 months ago

Enabling a fallback host in the HTTP profile - that's an interesting option. I'll make sure to consider that as a possibility.

Karina 9 months ago

Adding a OneConnect profile seems like it could potentially impact the load balancing, but I'll need to double-check the details on that.

Shawn 9 months ago

I'm a bit confused on this one. I'm not sure if enabling SNAT automap would affect the load balancing or not.

Ula 9 months ago

Okay, let's see. I think adding a persistence profile might change the load balancing behavior, but I'm not totally sure.

Sharen 9 months ago

Hmm, this seems like a tricky one. I'll need to think through the different load balancing options carefully.

Elizabeth 3 months ago

↳ replying to Sharen

I’m leaning towards the OneConnect profile. It seems impactful.

Kina 3 months ago

↳ replying to Sharen

What about enabling SNAT automap? That might help too.

Francoise 3 months ago

↳ replying to Sharen

I think adding a persistence profile could change the load balancing.

F5 Networks F5CAB3 Exam - Topic 1 Question 5 Discussion