Infoblox DDI Professional NIOS-DDI-Expert Question # 9 Topic 1 Discussion

Comprehensive and Detailed In-Depth Explanation:An HA pair in NIOS requires:

1. Virtual IP (VIP):Shared address for services (e.g., 192.168.1.100).

2. Active Node IP:Physical address (e.g., 192.168.1.101).

3. Passive Node IP:Physical address (e.g., 192.168.1.102).

Total:3 IPs.

Options:

A:2 IPs insufficient—misses individual node IPs. Incorrect.

B:3 IPs match HA design (VIP + 2 nodes). Correct.

C/D:Extra IPs (e.g., MGMT) are optional, not required. Incorrect.

Practical Example:In an INE lab, configure VIP 10.0.0.1, active 10.0.0.2, passive 10.0.0.3, test failover, and troubleshoot VRRP.References:Infoblox NIOS Administrator Guide – HA Configuration; INE Course Content: NIOS DDI Grid Deployment.