Given an HA Pair, Describe the Appropriate Strategy for Deploying a New Software Image F5CAB1 Practice Questions (Page 3)

Questions 11–15

1. 11expert · hard

   After upgrading both units of an HA pair, the administrator notices that the standby unit is not syncing its configuration with the active unit. Both units are running the same version. What is the most likely cause and the appropriate first step?

   • AThe standby unit's configuration is out of date; perform a full config sync from the active unit.
   • BThe configuration sync is broken; restart the sync process on the standby unit.
   • CThe active unit's configuration is corrupted; restore the UCS backup on the active unit.
   • DThe standby unit is not in the same VLAN; move it to the active unit's VLAN.
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   An F5 BIG-IP HA pair runs v15.1.5. The team plans to upgrade to v16.1.4. The active unit currently handles production traffic. The administrator has already backed up both configurations and verified hardware compatibility. What is the correct next step in the upgrade sequence?

   • AFail over to the standby unit immediately, then upgrade both units simultaneously.
   • BUpgrade the standby unit first, then fail over to it, and finally upgrade the original active unit.
   • CUpgrade the active unit first, then fail over to the standby after the active unit is verified.
   • DUpgrade both units at the same time to minimize the total maintenance window.
   Reveal Solution Discussion Select an answer first
4. 13foundation · easy

   What is the primary goal when planning a software upgrade for an HA pair of BIG-IP devices?

   • AMinimize downtime and traffic disruption during the upgrade process
   • BPerform the upgrade only during a maintenance window with no traffic
   • CEnsure both units are upgraded simultaneously to avoid configuration drift
   • DUpgrade the active unit first to maintain the primary role
   Reveal Solution Discussion Select an answer first
5. 14application · medium

   An administrator is preparing to upgrade an HA pair from v15.1.5 to v16.1.4. The environment includes custom iRules and a third-party hardware security module (HSM). What pre-upgrade task is essential to ensure a smooth upgrade?

   • ADisable the HSM before the upgrade to avoid conflicts.
   • BUpgrade the HSM firmware before upgrading BIG-IP.
   • CReview the release notes for v16.1.4 to check for iRule syntax changes and HSM compatibility.
   • DDelete all custom iRules to prevent syntax errors after the upgrade.
   Reveal Solution Discussion Select an answer first
6. 15foundation · easy

   Which of the following is a pre-upgrade task that helps ensure the new software version will run correctly on the hardware?

   • ADisabling all virtual servers on the active unit
   • BVerifying hardware compatibility with the target version
   • CResetting the standby unit to factory defaults
   • DChanging the management IP address of the active unit
   Reveal Solution Discussion Select an answer first