Pass the F5 LTM Specialist 301b Questions and answers with ExamsMirror

An LTM Specialist has just manually failed the active LTM device over to the standby LTM device. The LTM Specialist notices the newly active LTM device is NOT currently receiving traffic. The LTM Specialist verifies the newly active device is responding to ARP but still no traffic is hitting the virtual servers. The LTM Specialist also notices that the virtual servers eventually start responding.

What should be added to the configuration to resolve the problem?

An LTM device pool has suddenly been marked down by a monitor. The pool consists of members 10.0.1.1:443 and 10.0.1.2:443 and are verified to be listening. The affected virtual server is 10.0.0.1:80.

Which two tools should the LTM Specialist use to troubleshoot the associated HTTPS pool monitor via the command line interface? (Choose two.)

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Refer to the exhibit.

An LTM Specialist is troubleshooting an HTTP monitor that is marking a pool member as down. Connecting to the pool member directly through a browser shows the application is up and functioning correctly.

ltm monitor http http_mon {

defaults-from http

destination *:*

interval 5

recv "200 OK"

send "GET /\\r\\n"

time-until-up 0

timeout 16

}

What is the issue?

What does the following iRule do?

when CLIENT_ACCEPTED {

if { [matchclass [IP::client_addr] equals WebClient1-Whitelist1] }{

#log local0. "Valid client IP: [IP::client_addr] - forwarding traffic"

#Pool WebClient1

} else {

log local0. "Invalid client IP: [IP::client_addr] - discarding"

discard

}

}

An application owner claims an LTM device is delaying delivery of an HTTP application. The LTM device has two VLANs, an internal and an external. The application servers reside on the internal VLAN. The virtual server and clients reside on the external VLAN.

With appropriate filters applied, which solution is most efficient for obtaining packet captures in order to investigate the claim of delayed delivery?

An HTTP 1.1 application utilizes chunking.

Which header should be used to notify the client's browser that there are additional HTTP headers at the end of the message?

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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?

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Refer to the exhibit.

A company uses a complex piece of client software that connects to one or more virtual servers (VS) hosted on an LTM device. The client software is experiencing issues. An LTM Specialist must determine the cause of the problem. The LTM Specialist has the tcpdump extract. The client loses connection with the LTM device.

Where is the reset originating?

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Refer to the exhibit.

An LTM Specialist is working on an LTM 11.0.0 installation and has identified a security vulnerability as shown in the exhibit. The LTM Specialist is tasked with applying the latest available hotfix to resolve the problem.

Which procedure resolves the problem?

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Refer to the exhibits.

Which URL on which server is causing the highest latency for users?