Free 301b Practice Test Questions and Answers (2026)

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Q: 1
-- Exhibit – F5 301b question -- Exhibit -- Refer to the exhibit. A pair of LTM devices are deployed in a high-availability (HA) pair as the diagram shows. After inserting a new rule on the firewalls, the LTM devices become Standby. The rule drops all outbound sessions to the Internet. Only inbound connections are allowed from the Internet. There are no other changes to the environment. What triggered the LTM device failover?
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Q: 2
-- Exhibit – F5 301b question -- Exhibit -- Refer to the exhibit. A failover has just occured on BIG-IP1. BIG-IP2 is now active and manages traffic as expected. Both Bigip's are set with a gateway failsafe to check the reachability of the main border router. Switches have performed as expected. Where should the LTM Specialist check for potential issues?
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Q: 3
-- Exhibit – F5 301b question -- Exhibit -- Refer to the exhibit. A user is unable to access an HTTP application via a virtual server. What is the cause of the failure?
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Q: 4
-- Exhibit – F5 301b question F5 301b question -- Exhibit -- Refer to the exhibits. Which two servers are missing two frequently used URLs? (Choose two.)
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Q: 5
-- Exhibit – F5 301b question -- Exhibit -- Refer to the exhibit. An HTTP monitor always marks the nodes in the pool as down. The monitor's definition and the HTTP headers from the monitor request and response are provided. What is the issue?
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Q: 6
-- Exhibit – F5 301b question -- Exhibit -- 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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Q: 7
-- Exhibit – F5 301b question -- Exhibit -- Refer to the exhibit. A user is unable to access an application. What is the root cause of the problem?
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Q: 8
-- Exhibit – F5 301b question F5 301b question -- Exhibit -- Refer to the exhibits. Which URL on which server is causing the highest latency for users?
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Q: 9
-- Exhibit – F5 301b question F5 301b question -- Exhibit -- Refer to the exhibits. How should the LTM Specialist minimize the configuration?
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Q: 10
In preparation for a maintenance task, an LTM Specialist performs a "Force to Standby" on LTM device Unit 1. LTM device Unit 2 becomes active as expected. The maintenance task requires the reboot of Unit 1. Shortly after the reboot is complete, the LTM Specialist discovers that Unit 1 has become active and Unit 2 has returned to standby. What would cause this behavior?
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Q: 11
An LTM Specialist configures two LTM devices in a high-availability pair with trusts established and device groups configured properly using network failover. After several months, the LTM Specialist notices that changes made to one LTM device do NOT cause the synchronization status to update to "changes pending," and this device does NOT synchronize with the device group. Which two steps should the LTM Specialist take to identify the issue? (Choose two.)
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Q: 12
An LTM Specialist is troubleshooting virtual server 10.0.0.1:443 residing on VLAN vlan301. The web application is accessed via www.example.com. The LTM Specialist wants to save a packet capture with complete decrypted payload for external analysis. Which command should the LTM Specialist execute on the LTM device command line interface?
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Q: 13
-- Exhibit – F5 301b question F5 301b question -- Exhibit -- Refer to the exhibits. An LTM Specialist uses the information in the logs to determine the cause of a failover event in a high-availability (HA) pair. What caused the failover?
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Q: 14
Which command will identify the active LTM device currently handling client traffic?
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Q: 15
-- Exhibit – F5 301b question F5 301b question -- Exhibit -- Refer to the exhibits. An LTM Specialist has configured a virtual server to distribute connections to a pool of application servers and to offload SSL processing. The application fails to work as expected when connecting to the virtual server. It does work when clients connect directly to the application. Two packet captures were taken at the application server. What is the root cause of the problem?
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Q: 16
An LTM Specialist realizes that a datacenter engineer has changed the console baud rate. Which command determines the current baud rate via the command line interface?
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Q: 17
-- Exhibit – F5 301b question -- Exhibit -- Refer to the exhibit. An LTM device is used to load balance web content over a secure channel. The developers of the web content have done a trace using an HTTP profiler application. They believe that allowing the LTM device to compress traffic to the client will improve performance. The client can utilize GZIP or deflate compression algorithms. An LTM Specialist must implement the compression. The LTM Specialist has completed the following actions: 1. Create the relevant profile. 2. Apply the relevant profile to the virtual server (VS). After applying the relevant profile, the LTM device is failing to compress the traffic. Instead, the traffic is being served with an error. What is the problem?
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Q: 18
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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Q: 19
What is the effect of an iRule error such as referencing an undefined variable?
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Q: 20
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?
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