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NIOS-DDI-Expert Infoblox Qualified NIOS DDI Expert - INE

  • Infoblox
  • 6 free sample questions

About this exam

NIOS-DDI-Expert is the Infoblox exam Infoblox Qualified NIOS DDI Expert - INE. Paid practice material for this exam is not available yet, but you can try its free sample questions.

Exam code
NIOS-DDI-Expert
Vendor
Infoblox
Practice questions
Not available yet
Free sample questions
6
Question bank last updated
Not available yet

Try 2 sample questions

Taken from the free sample set for NIOS-DDI-Expert.

Question 1 (choose 2)

A customer reports difficulty joining a standalone High Availability (HA) pair.
How should the customer diagnose the issue? Choose 2 answers

  1. Option A:
    Use error messages recorded in syslog and debug log on both nodes
  2. Option B:
    Use traffic capture on the first node (the active node)
  3. Option C:
    Use traffic capture on both nodes
  4. Option D:
    Reset everything before trying to re-join
Show answer and explanation

Correct answer: A, C

Comprehensive and Detailed In-Depth Explanation: Joining a standalone HA pair to a Grid involves network, authentication, and sync issues. Best diagnostics:
A: Syslog (show log syslog) and debug logs (e.g., infoblox.log in support bundle) on both nodes reveal errors (e.g., “Join failed: invalid secret”). Essential for root cause. Correct.
C: Traffic capture (tcpdump via CLI) on both nodes checks VRRP, bloxSync, and network issues (e.g., blocked ports). Comprehensive view of communication. Correct.
B: Capturing only the active node misses passive node issues (e.g., firewall blocking sync). Incomplete. Incorrect.
D: Resetting erases logs and configs, hindering diagnosis—last resort, not initial step. Incorrect.
Practical Example: In an INE lab, you’d check syslog for “sync failed,” run tcpdump -i eth0 port 443 on both, and troubleshoot a blocked SSL port. References: Infoblox NIOS Administrator Guide – HA Troubleshooting; INE Course Content: NIOS DDI Grid Troubleshooting.

Question 2

A customer has the following Grid: Grid Master HA pair, three HA Grid Members, one single Grid

Member. The customer has defined custom Upgrade Groups based on the physical location of the
appliances. After the administrator clicks Upgrade, which node will go through the upgrade process
first?

  1. Option A:
    All of the Member passive nodes
  2. Option B:
    Grid Master active node
  3. Option C:
    Grid Master passive node
  4. Option D:
    Depends on the configuration of Upgrade Groups 
Show answer and explanation

Correct answer: D

Comprehensive and Detailed In-Depth In NIOS, the upgrade process for a Grid can be customized using Upgrade Groups, which allow administrators to define the order and timing of upgrades for Grid members based on criteria like location or role. By default, the Grid Master (active node) upgrades last to ensure continuity, and passive nodes in HA pairs often upgrade before active nodes. However, when custom Upgrade Groups are defined (as in this scenario, based on physical location), the upgrade sequence follows the administrator’s configuration rather than a fixed rule. Thus, the first node to upgrade depends entirely on how the Upgrade Groups are prioritized in the upgrade schedule. This flexibility is a focus of the INE course’s Grid deployment section.

Reference: Infoblox NIOS Administrator Guide – Software Upgrades; INE Course Objective: NIOS DDI Grid Deployment

See all 6 free sample questions