F5CAB4 Exam Dumps : BIG-IP Administration Control Plane Administration (F5CAB4) exam

On a BIG-IP system, NTP (Network Time Protocol) configuration is part of the system-level configuration settings . In the Configuration Utility, NTP servers are configured under the System configuration hierarchy .

The correct navigation path is:

System > Configuration > Device > NTP

This location allows the administrator to:

Add, modify, or remove NTP servers

Ensure accurate system time synchronization

Maintain proper time alignment required for features such as ConfigSync , HA failover , logging, and certificate validation

Why the other options are incorrect:

A. System > Platform is used for hardware-related settings.

B. System > Preferences manages UI and user preferences.

C. System > Services controls system daemons and services, not time configuration.

Therefore, the correct answer is D. System > Configuration .

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Comprehensive and Detailed Explanation From BIG-IP Administration20 Control Plane Administration documents: Connectivity management involves ensuring that the physical layer matches the networking environment. Interface properties, including media speed, duplex settings, and MTU, are managed at the Control Plane level under the Network menu. To resolve a mismatch with an upstream switch, the administrator must navigate to Network > Interfaces to manually override auto-negotiation settings.

When restoring a UCS file to replacement hardware (RMA device) , the license from the original device is not valid on the new system. If the UCS restore attempts to load the old license, BIG-IP reports license errors such as “License is not operational” , which can prevent traffic objects (including pools and virtual servers) from loading correctly.

To avoid this issue, F5 documentation recommends restoring the UCS without the license , using the following command:

tmsh load /sys ucs < ucs filename > no-license

This approach:

Restores all configuration objects (LTM, networking, certificates, keys, etc.)

Excludes the invalid license tied to the old hardware

Allows the administrator to activate a new license separately on the replacement device

Why the other options are incorrect:

A. Remove the license information from the UCS archive Not supported or recommended; UCS files should not be manually modified.

B. Revoke the license prior to restoring License revocation does not prevent the UCS from attempting to load license data.

D. Reactivate the license on the new device using the manual activation method This must be done after restoring the UCS and does not prevent the restore failure itself.

Therefore, the correct and supported method to avoid this error is C .

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