Objective 3.01 Given a Scenario Determine the Impact of Software Updates in a Group on Monitoring and Configuration State 302 Practice Questions (Page 4)

Questions 16–17

1. 16application · medium

   A company operates a BIG-IP DNS sync-failover group with two devices. The admin must upgrade both devices to a new TMOS version. The group uses a floating self-IP for DNS queries, and the monitoring of the DNS listener is critical. The admin wants to minimize the risk of a DNS outage during the upgrade. Which approach should the admin take?

   • AUpgrade the standby device first, verify monitoring and config sync, then fail over and upgrade the active device.
   • BUpgrade the active device first, then immediately upgrade the standby device to match versions.
   • CDisable config sync, upgrade both devices, then re-enable sync and let the group converge automatically.
   • DUpgrade both devices simultaneously during a maintenance window, then force a full config sync.
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2. 17expert · hard

   An admin is upgrading a BIG-IP DNS group that uses a custom monitor to check the health of a DNS server. The monitor uses a specific port that is being deprecated in the new version. The admin wants to avoid a monitoring failure after the upgrade. What should the admin do?

   • AUpgrade the device and then update the monitor if it fails.
   • BDisable the monitor during the upgrade and re-enable it after.
   • CUse a different monitor type that does not use the deprecated port.
   • DUpdate the monitor to use a different port before the upgrade.
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