A BIG-IP device group fails to sync. The error log shows: 'Config sync failed: Authentication failure.' The devices can communicate and the configuration checksums match. What should the administrator do first?

Compare the configuration checksums.

Re-establish the device trust between the devices.

Check the network path for packet loss.

Upgrade both devices to the same version.

An administrator sees the following error in the BIG-IP Configuration Utility: 'Config sync failed: Unable to read configuration from peer.' The devices can ping each other and the device trust is valid. What is the most likely cause?

The peer device's configuration file is corrupted or unreadable.

The BIG-IP versions are incompatible.

When documenting a config sync error for escalation, which information is MOST important to include?

The serial numbers of the devices

The exact error message and affected devices

The administrator's personal notes

The date of the last successful sync

Two BIG-IP devices in a device group fail to sync. The error message says: 'Config sync failed: Version mismatch between devices.' Both devices are running the same BIG-IP version according to the version banner. What should the administrator investigate next?

The network path between the devices.

The hotfix level of each device.

F5Certified Administrator, BIG-IP

Domain 8Objective 2

Report Errors Which Occur During Config Sync F5CAB4 Practice Questions (Page 1)

Part of the Explain config sync domain, which makes up ~14% of our current practice bank. F5 does not publish an official question count, but from its 30-minute exam (~10–20 total, ~1–3 in this domain), expect 1–1 from this objective — we provide 22 practice questions to prepare you well beyond it. (estimate)

22questions here

5free pages

4concepts

Questions 1–5

1foundation · easy
A config sync error occurs, and the administrator suspects a device trust issue. Which command would be used to verify the device trust configuration?
Select an answer first
2application · medium
A BIG-IP device group fails to sync. The error log shows: 'Config sync failed: Authentication failure.' The devices can communicate and the configuration checksums match. What should the administrator do first?
Select an answer first
3application · medium
An administrator sees the following error in the BIG-IP Configuration Utility: 'Config sync failed: Unable to read configuration from peer.' The devices can ping each other and the device trust is valid. What is the most likely cause?
Select an answer first
4foundation · easy
When documenting a config sync error for escalation, which information is MOST important to include?
Select an answer first
5application · medium
Two BIG-IP devices in a device group fail to sync. The error message says: 'Config sync failed: Version mismatch between devices.' Both devices are running the same BIG-IP version according to the version banner. What should the administrator investigate next?
Select an answer first

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