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Category: 301b

Exam F5 301b : LTM Specialist: Maintain & Troubleshoot

Which change to the LTM device configuration will resol…

Refer to the exhibit.
An LTM Specialist creates a virtual server to load balance traffic to a pool of HTTPS servers. The servers
use client certificates for user authentication. The virtual server has clientssl, serverssl, and http profiles
enabled. Clients are unable to connect to the application through the virtual server, but they are able to
connect to the application servers directly.
Which change to the LTM device configuration will resolve the problem?

What is the problem?

Refer to the exhibit.
A web application is configured to allow sessions to continue even after a user computer is shut down for
the night. A new LTM device is configured to load balance the web application to several servers. The
application owner reports that application users are logged out of the web application whenever their
browser is restarted or computer is rebooted.
What is the problem?

What is the root cause of the problem?

Refer to the exhibit.
An LTM Specialist has created a virtual server to load balance traffic to a pool of HTTPS servers. The
servers use client certificates for user authentication. The virtual server has clientssl, serverssl, and http
profiles enabled. Clients are unable to connect to the application through the virtual server. Clients are able
to connect to the application servers directly.
What is the root cause of the problem?

What is the root cause of the error?

Refer to the exhibit.
An LTM Specialist has created a virtual server to balance connections to a pool of application servers and
offload SSL decryption. Clients connect to the application at https://www.example.com/. The virtual server is
configured with a clientssl profile but no serverssl profile. The application servers are listening on ports 80
and 443. Users are unable to connect to the application through the virtual server but are able to connect
directly to the application server.
What is the root cause of the error?

What is the solution to the problem?

Refer to the exhibit.
Users report that a web application works incorrectly. Sometimes contextual data displayed on the web
pages is accurate; other times it is inaccurate.
The LTM administrator looks at the connection table with a filter on one of the client IP addresses currently
connected using the command “tmsh show sys connection cs-client-addr 10.0.20.1”
with the following results:
10.0.20.1:60048 10.0.20.88:80 10.0.20.1:60048 172.16.20.1:80 tcp 3 (tmm: 0) 10.0.20.1:60050
10.0.20.88:80 10.0.20.1:60050 172.16.20.3:80 tcp 3 (tmm: 0) 10.0.20.1:60047 10.0.20.88:80
10.0.20.1:60047 172.16.20.2:80 tcp 3 (tmm: 0) 10.0.20.1:60049 10.0.20.88:80 10.0.20.1:60049
172.16.20.1:80 tcp 3 (tmm: 0)
What is the solution to the problem?

How should the LTM Specialist modify the HTTP profile t…

Refer to the exhibit.
An LTM Specialist is performing an HTTP trace on the client side of the LTM device and notices there are
many undesired headers being sent by the server in the response. The LTM Specialist wants to remove all
response headers except “Set-Cookie” and “Location.”
How should the LTM Specialist modify the HTTP profile to remove undesired headers from the HTTP
response?


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