[2026] F5 LTM Specialist: Maintain & Troubleshoot

문제1

Which two items can be logged by the Application Visibility Reporting analytics profile? (Choose two.)

A. User Agent

B. Per Virtual Server CPU Utilization

C. HTTP Response Codes

D. HTTP version

정답: A,C

문제2

An LTM Specialist is investigating reports from users that SSH connections are being terminated unexpectedly. SSH connections are load balanced through a virtual server. The users experiencing this problem are running SQL queries that take upwards of 15 minutes to return with no screen output. The virtual server is standard with a pool associated and no other customizations.
What is causing the SSH connections to terminate?

A. The virtual server has no persistence.

B. The pool has Reselect Retries set to 0.

C. UDP IP ToS

D. TCP idle timeout

정답: D

문제3

-- Exhibit- -- Exhibit -

Refer to the exhibit.
A server administrator notices that one server is intermittently NOT being sent any HTTP requests. The server logs display no issues. The LTM Specialist notices log entries stating the node (172.16.20.1) status cycling between down and up. The pool associated with the virtual server (10.10.1.100) has a custom HTTP monitor applied.
Which tcpdump filter will help trace the monitor?

A. tcpdump -i external port 80 and host 10.10.1.100

B. tcpdump -i external port 80 and host 172.16.20.1

C. tcpdump -i internal port 80 and host 172.16.1.33

D. tcpdump -i internal port 80 and host 172.16.1.31

정답: D

문제4

An FTP monitor is NOT working correctly.
Which three pieces of information does the LTM Specialist need to provide to ensure a properly working FTP monitor? (Choose three.)

A. username

B. FTP server IP address

C. FTP server port

D. alias

E. password

F. File path

정답: A,E,F

문제5

A web application requires knowledge of the client's true IP address for logging and analysis purposes. Instances of the application that can decode X-Forwarded-For HTTP headers reside in pool_a, while pool_b instances assume the source IP is the true address of the client.
Which iRule provides the proper functionality?

A. when HTTP_REQUEST { if {[HTTP::header exists X-Forwarded-For]}{ pool pool_a } else { pool pool_b } }

B. when HTTP_RESPONSE {
if {[HTTP::header exists X-Forwarded-For]}{
pool pool_a
} else {
pool pool_b
} }

C. when HTTP_OPEN { if {[HTTP::header exists X-Forwarded-For]}{ pool pool_a } else { pool pool_b } }

D. when HTTP_DATA {
if {[HTTP::header exists X-Forwarded-For]}{
pool pool_a
} else {
pool pool_b
}
}

정답: A

문제6

An LTM HTTP pool has an associated monitor that sends a string equal to 'GET /test.html'.
Which two configurations could an LTM Specialist implement to allow server administrators to disable their pool member servers without logging into the LTM device? (Choose two.)

A. Set 'disable pool member' equal to 'SERVER UP' and ask the server team to set string 'SERVER DOWN' in test.html.

B. Set 'alias' equal to 'SERVER DOWN' and ask the server team to set string 'SERVER DOWN' in test.html.

C. Set 'receive disable string' equal to 'SERVER DOWN' and ask the server team to set string 'SERVER DOWN' in test.html.

D. Set monitor to transparent and ask the server team to set string 'TRANSPARENT' in test.html.

E. Set 'receive string' equal to 'SERVER UP and ask the server team to set string 'SERVER DOWN' in test.html.

정답: C,E

문제7

-- Exhibit- -- Exhibit -

Refer to the exhibit.
An LTM Specialist is troubleshooting an issue with SSL and is receiving the error shown when connecting to the virtual server. When connecting directly to the pool member, clients do NOT receive this message, and the application functions correctly. The LTM Specialist exports theappropriate certificate and key from the pool member and imports them into the LTM device. The LTM Specialist then creates the Client SSL profile and associates it with the virtual server.
What is the issue?

A. The client CANNOT verify the certification path.

B. The common name on the SSL certificate does NOT match the hostname of the site.

C. The SSL certificate and key have expired.

D. The SSL certificate and key do NOT match.

정답: A

문제8

A device on the network is configured with the same IP address as the management address of the active LTM device, causing the management GUI to be inaccessible.
Which two methods should the LTM Specialist use to access the LTM device in order to change the management IP address? (Choose two.)

A. Connect via ssh to the standby unit and connect via ssh across the serial link between the devices.

B. Connect a monitor and keyboard to the LTM device.

C. Connect via ssh to the AOM IP address.

D. Connect via ssh to the management address.

E. Connect to the LTM device via serial connection.

정답: C,E

문제9

A user is having issues with connectivity to an HTTPS virtual server. The virtual server is on the LTM device's external vlan, and the pools associated with the virtual server are on the internal vlan. An LTM Specialist does a tcpdump on the external interface and notices that the host header is incomplete.
In which location should the LTM Specialist put a traffic analyzer to gather the most pertinent data?

A. internal VLAN

B. server

C. client machine

D. external VLAN

정답: C

문제10

An LTM Specialist is troubleshooting a problem on an eCommerce website. The user browses the online store using port 80, adding items to the shopping cart. The user then clicks the "Checkout" button on the site, which redirects the user to port 443 for the checkout process. Suddenly, the user's shopping cart is shown as empty. The shopping cart data is stored in memory on the server, and the default source address persistence profile is used on both virtual servers.
What is the issue?

A. The port 443 pool member is deleting the user's session cookie.

B. The port 80 and port 443 connections are balanced to the same node.

C. The port 80 and port 443 connections are balanced to different nodes.

D. The port 80 pool member is deleting the user's session cookie.

정답: C

문제11

-- Exhibit-

-- Exhibit -
Refer to the exhibits.
How should the LTM Specialist minimize the configuration?

A. Create a single monitor and apply it to each pool member.

B. Remove the pool member level monitors.

C. Create a single monitor, apply it to the pool, and remove the pool member level monitors.

D. The configuration is as minimized as possible.

정답: C

문제12

An LTM Specialist is troubleshooting an issue where one LTM device in a three LTM device group is failing to synchronize after a synchronize to group command is issued. The LTM Specialist verifies there are no packet filters, port lock down, or network issues preventing the connection.
What are two reasons the synchronization group is having issues? (Choose two.)

A. Certificates stored for the device trusts on all of the peer LTM devices are corrupted.

B. Certificates expired on all of the peer LTM devices.

C. Admin passwords changed on one of the peer LTM devices that are able to synchronize.

D. Certificates stored for the device trusts on the LTM device NOT receiving the configuration are corrupted.

E. Admin password changed on the LTM device NOT receiving the synchronized configurations.

정답: D,E

문제13

An LTM Specialist notices the following error on the stdout console:
mcpd[2395]: 01070608:0: License is not operational(expired or digital signature does not match contents)
Which command should be executed to verify the LTM device license?

A. bigpipe version

B. tmsh show /sys license

C. tmsh /util bigpipe version

D. tmsh show /sys license status

정답: B

문제14

An LTM Specialist wants to allow access to the Always On Management (AOM) from the network.
Which two methods should the LTM Specialist use to configure the AOM interface? (Choose two.)

A. Choose the network configurator in the AOM menu on the serial port.

B. Configure the AOM IP from the front panel buttons and LCD.

C. Configure the AOM network address in the GUI under System>Platform.

D. Log in to the Host via ssh, "ssh aom", and modify the network configuration file.

정답: A,D

문제15

Internet clients connecting to a virtual server to download a file are experiencing about 150 ms of latency and no packet loss.
Which built-in client-side TCP profile provides the highest throughput?

A. tcp

B. tcp-wan-optimized

C. tcp-legacy

D. tcp-lan-optimized

정답: B

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