Discuss F5 Networks 301a Exam Topic 8 Question 28

An LTM Specialist reports that an application si no longer reachable after it has been upgraded.

Nothing has been changed in the configuration on the LTM device.

The logs indicates that health monitors to all servers have failed as shown:

What should the LTM Specialist verify next?

AThat the TCP hand shake with the servers is stall completed using tcpdump

BThat the custom receive string for the HTTP monitor has changed with the upgrade

CThat the can still ping the servers from te BIG_ IP device.

DThat the firewall between the BIG-ip device and servers is still allowing HTTP

Suggested Answer: B

The log shows that tcp detection is normal, but http detection is abnormal. So we should pay attention to the detection problem of http level

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13 comments · newest first

Bonita 12 months ago

Can we still ping the servers? That’s a basic check!

Dorsey 12 months ago

What if the custom receive string got messed up during the upgrade?

Truman 1 year ago

Isn't it odd that nothing changed on the LTM but the app is down?

Stephaine 1 year ago

I think the TCP handshake is more critical to verify.

Jennifer 1 year ago

Definitely check the firewall settings first!

Malcolm 1 year ago

I feel like pinging the servers could be a basic first step, but I'm not confident if that's the best approach here.

Sharika 1 year ago

I'm not entirely sure, but I think verifying the TCP handshake could help identify if there's a connectivity issue.

Jesusita 1 year ago

I remember we discussed how health monitors can fail after an upgrade, so checking the custom receive string seems important.

Portia 1 year ago

I practiced a similar question where we had to check firewall settings. It might be worth looking into if the firewall is blocking traffic now.

Louvenia 1 year ago

I feel pretty confident about this one. The key is to create a branching business process flow that can handle all the different scenarios. That way, the team members can just follow the same process every time, no matter the customer type or contract status.

Beula 1 year ago

This question seems straightforward, I think the answer is A - Duplicate checks with the Customer Vendor Integration (CVI).

Hoa 1 year ago

I think the answer is single sign-on because it relates to maintaining a user's security context across services. It sounds familiar from our practice questions.

Rodolfo 1 year ago

I think with a humped yield curve, if medium rates drop, it could lead to a flattening effect. But I'm not entirely sure.

F5 Networks 301a Exam - Topic 8 Question 28 Discussion