Explain When a Config Sync Is Necessary F5CAB4 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   In a BIG-IP HA pair, what is the primary purpose of config sync?

   • ATo back up the configuration to an external server.
   • BTo replicate traffic flows between the two devices in real time.
   • CTo ensure both devices have identical configuration so failover is seamless.
   • DTo synchronize the system clocks of both devices.
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   Which scenario is best suited for using a manual backup/restore (UCS) rather than config sync?

   • ASynchronizing configuration between two devices in different data centers.
   • BArchiving a configuration snapshot for disaster recovery purposes.
   • CPropagating a configuration change to all devices in a sync group.
   • DEnsuring failover readiness in an HA pair.
   Reveal Solution Discussion Select an answer first
4. 3application · medium

   An administrator needs to restore a single BIG-IP device to a known-good configuration after a failed upgrade. The device is not part of any device group. Which method is most appropriate for this task?

   • ARe-run the upgrade installer to revert the configuration.
   • BCopy the bigip.conf file from a similar device using SCP.
   • CRestore the configuration from a UCS archive taken before the upgrade.
   • DUse the config sync feature to push the configuration from a backup device.
   Reveal Solution Discussion Select an answer first
5. 4application · medium

   An administrator is configuring a new virtual server on the active node of a sync-failover device group. After saving the configuration, what should the administrator expect to happen?

   • AThe standby node will not receive the configuration until it becomes active.
   • BThe configuration is saved locally and must be copied manually to the standby node.
   • CThe virtual server configuration is automatically synced to the standby node.
   • DThe virtual server is only active on the active node until a manual sync is performed.
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6. 5foundation · easy

   Why is config sync important for maintaining failover readiness in a sync group?

   • AIt continuously monitors the health of each device and triggers failover when needed.
   • BIt provides a backup of the configuration that can be restored after a failure.
   • CIt replicates the current connection table to all devices in the group.
   • DIt ensures that all devices have the same configuration, so any device can assume the active role without configuration mismatches.
   Reveal Solution Discussion Select an answer first