Comprehensive and Detailed In-Depth Explanation:Clearing the NIOS database requires a precise CLI command:
B (reset database):Wipes DNS zones, DHCP leases, and Grid membership, but retains:
System logs (e.g., syslog, infoblox.log).
Licenses (e.g., reporting, DNSSEC).
Network settings (IP, hostname). Correct.
A:“reset all” isn’t valid (see Q28). Incorrect.
C:“reset config” isn’t a command—closest is set factory, which wipes everything. Incorrect.
D:reset all licenses clears licenses only, not the database. Incorrect.
Practical Example:In an INE lab, you’d run reset database, verify logs persist via show log, and reconfigure, testing Grid recovery.References:Infoblox NIOS CLI Reference Guide – Reset Commands; INE Course Content: NIOS DDI Grid Troubleshooting.
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