2026 F5 F5CAB4: BIG-IP Administration Control Plane Administration Useful Reliable Exam Preparation

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F5 F5CAB4 Exam Overview:

Certification Vendor:F5
Exam Name:BIG-IP Administration Control Plane Administration
Exam Number:F5CAB4
Exam Format:Scenario-based, Multiple Choice
Real Exam Qty:30
Available Languages:English
Exam Duration:30 minutes
Exam Price:$50 USD
Related Certifications:F5 Certified Administrator, BIG-IP (F5-CA)
Sample Questions:F5 F5CAB4 Sample Questions
Exam Way:Pearson VUE Testing Centers (Online proctored option may be available)
Pre Condition:Recommended: Basic understanding of network concepts and previous completion of F5CAB1 or equivalent experience.
Official Syllabus URL:https://education.f5.com/course/view/1091

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F5 F5CAB4 Reliable Exam Question, F5CAB4 Sample Questions

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F5 F5CAB4 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Identify and report current device status: This domain covers monitoring BIG-IP operational status through LCD panels, dashboards, Network Map, GUI
  • TMSH commands, and checking high availability states.
Topic 2
  • Given a scenario, interpret Service status: This section teaches interpreting service states, analyzing netstat output, and determining whether services are listening on specific ports.
Topic 3
  • Identify management connectivity configurations: This section focuses on understanding management access configurations, including management IP addresses, port lockdown settings, remote connectivity verification, and troubleshooting access issues.
Topic 4
  • List which log files could be used to find events and
  • or hardware issues: This section teaches identification of key log files (
  • var
  • log
  • ltm, secure, audit), understanding event severity levels, and interpreting log messages.
Topic 5
  • Apply procedural concepts required to manage the state of a high availability pair: This domain covers controlling and monitoring failover states in high availability pairs, including forcing standby
  • offline modes, reporting failover status, and verifying device trust.
Topic 6
  • Given a scenario, determine device upgrade eligibility: This domain covers determining appropriate timing for software and platform upgrades and strategies to minimize downtime during upgrades.

F5 BIG-IP Administration Control Plane Administration Sample Questions (Q18-Q23):

NEW QUESTION # 18
The BIG-IP system is provisioned for LTM only. The BIG-IP Administrator is tasked with provisioning ASM.
What process restarts when the BIG-IP Administrator changes the module provisioning? (Choose one answer)

Answer: A

Explanation:
When a BIG-IP Administrator changes module provisioning (for example, enabling ASM on a system previously provisioned only for LTM), the BIG-IP system must restart the Traffic Management Microkernel (TMM) process.
The TMM process is responsible for:
* Traffic handling
* LTM, ASM, and other traffic-processing modules
* Enforcing security and application policies
Provisioning changes affect how traffic modules are loaded and integrated into TMM. As a result, TMM is restarted, which causes a temporary interruption of traffic processing. This is expected behavior and is why module provisioning changes should be planned during a maintenance window.
Why the other options are incorrect:
* A. bd is related to blade/platform management, not module provisioning.
* C. sshd handles SSH access and is not affected by provisioning changes.
* D. httpd supports the Configuration Utility (GUI) and does not restart due to module provisioning.
Therefore, the correct answer is B. tmm.


NEW QUESTION # 19
A BIG-IP Administrator needs to restore a UCS file to an F5 device using the Configuration Utility.
Which section of the Configuration Utility should the BIG-IP Administrator access to perform this task? (Choose one answer)

Answer: A

Explanation:
Comprehensive and Detailed Explanation From BIG-IP Administration Control Plane Administration documents:
In the BIG-IP Configuration Utility, all system backup and restore operations-including UCS (User Configuration Set) file restoration-are performed from the Archives section.
The correct navigation path is:
System > Archives
From this location, the administrator can:
Upload UCS files
Restore UCS backups
Manage system archive files used for backup and recovery
Why the other options are incorrect:
A . System > Configuration is used for general system settings, not backup restoration.
C . Local Traffic > Virtual Servers is used for application traffic objects.
D . Local Traffic > Policies manages traffic policies, not system backups.
Therefore, the correct section to restore a UCS file using the Configuration Utility is System > Archives.


NEW QUESTION # 20
A node is a member of various pools and hosts different web applications. If a web application is unavailable, the BIG-IP appliance needs to mark the pool member down for that application pool.
What should a BIG-IP Administrator deploy at the pool level to accomplish this?

Answer: B

Explanation:
To accurately report the current status of specific web applications hosted on the same server (node), the Control Plane must use a monitor that operates at the application layer.
Application-Specific Monitoring: While a node (the IP address) might be up and responding to ICMP (ping) or TCP handshakes, a specific web service or path on that server could be failing.
Custom Send Strings: An HTTP monitor allows the administrator to define a "Send String" to request a specific page or URI related to the application in that pool .
Receive Strings: The "Receive String" identifies a unique value that the application must return to be considered "Available" .
Granular Status Reporting: By deploying these monitors at the pool level, the Control Plane can mark a pool member "Offline" for one application pool if the receive string is missing, while keeping it "Available" in another pool where the service is still healthy.


NEW QUESTION # 21
One of the two members of a device group has been decommissioned. The BIG-IP Administrator tries to delete the device group, but is unsuccessful. Prior to removing the device group, which action should be performed?

Answer: A

Explanation:
Comprehensive and Detailed Explanation From BIG-IP Administration Control Plane Administration documents: To maintain integrity in a High Availability environment, TMOS prevents the deletion of active Devic28e Groups. Procedurally, a device group is a container for synchronization; the Control Plane requires that you first strip the group of all associated members (devices) before the group object itself can be removed from the configuration.


NEW QUESTION # 22
Which method is recommended for creating a new user from the CLI? (Choose one answer)

Answer: A

Explanation:
The recommended and supported method for creating BIG-IP users from the CLI is through TMSH, using the authentication subsystem.
tmsh create auth user <username> prompt-for-password:
* Properly creates the user within BIG-IP's AAA/authentication framework
* Encrypts the password securely
* Ensures the user is stored and managed correctly in the BIG-IP configuration database
* Is fully supported and documented
Why the other options are incorrect:
* B is unsafe and unsupported because editing bigip.conf directly and storing clear-text passwords violates security and configuration management best practices.
* C (f5adduser / f5passwd) is deprecated and not recommended for modern BIG-IP versions.
* D creates a Linux system user only, not a BIG-IP administrative user, and will not allow access to the Configuration Utility or TMSH roles.


NEW QUESTION # 23
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