FREE PDF 2025 THE BEST INFOBLOX NIOS-DDI-EXPERT NEW TEST BOOTCAMP

Free PDF 2025 The Best Infoblox NIOS-DDI-Expert New Test Bootcamp

Free PDF 2025 The Best Infoblox NIOS-DDI-Expert New Test Bootcamp

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Infoblox Qualified NIOS DDI Expert - INE Sample Questions (Q23-Q28):

NEW QUESTION # 23
When configuring Authentication Policy, an administrator should always choose a group for "Assign users to this group if remote admin group cannot be found".

  • A. False
  • B. True

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:The Authentication Policy in NIOS (Administration > Authentication) governs remote authentication (e.g., LDAP, RADIUS). The "Assign users to this group if remote admin group cannot be found" option is a fallback mechanism:
* Purpose:If a user's remote group (e.g., from AD) isn't mapped to an NIOS group, this setting assigns them to a default group with predefined permissions.
* Requirement:It's optional-not mandatory. Leaving it unset means unmatched users are denied access unless individually mapped, enhancing security in some cases.
* Why False:"Always" implies it's required, but NIOS allows flexibility. For strict environments, admins might skip this to prevent unauthorized access, relying on explicit mappings.
* Options Analysis:
* A:Suggests a mandatory setting, but documentation and UI show it's a choice. Incorrect.
* B:Correctly reflects that it's not always necessary-optional based on policy. Correct.
* Practical Example:In an INE lab, you'd configure LDAP without a fallback group, test an unmapped user's denial, and troubleshoot authentication logs, reinforcing Grid security concepts.References:
Infoblox NIOS Administrator Guide - Authentication Policy; INE Course Objective: NIOS DDI Grid Deployment.


NEW QUESTION # 24
What protocol and port does DHCP Failover use to keep lease information synchronized between two peers?

  • A. Default is UDP 1194, can be user configured
  • B. Default is UDP 647, can be user configured
  • C. Default is TCP 647, can be user configured
  • D. Default is TCP 1194, can be user configured

Answer: C

Explanation:
Comprehensive and Detailed In-Depth Explanation:Infoblox NIOS implements DHCP Failover based on the IETF DHCP Failover protocol (draft standard), usingTCP port 647by default for lease synchronization between peers. This port facilitates the exchange of lease data to ensure both the primary and secondary servers maintain consistent states (e.g., NORMAL, COMMUNICATIONS-INTERRUPTED). TCP is used for reliability, as lease sync requiresguaranteed delivery. The port can be changed by the administrator if needed (e.g., for firewall rules), making "user configured" accurate. Options A and B (port 1194) are incorrect-1194 is commonly associated with OpenVPN, not DHCP Failover. Option D is wrong because it's TCP, not UDP.
This is a key DHCP troubleshooting topic in the INE course.References:Infoblox NIOS Administrator Guide
- DHCP Failover; INE Course Content: NIOS DDI DHCP Troubleshooting.


NEW QUESTION # 25
If the VRID of a HA pair is configured as 25. Which MAC address is most likely used for the virtual IP address?

  • A. 19-80-C2-00-00-03
  • B. 01-00-5E-7F-FF-25
  • C. 00-00-5E-00-01-19
  • D. 00-00-5E-25-01-00

Answer: C

Explanation:
Comprehensive and Detailed In-Depth Explanation:VRRP defines the virtual MAC for the VIP:
* Format:00:00:5E:00:01:XX, where XX is the VRID (1-255) in hex.
* VRID 25:Decimal 25 = Hex 19. Thus, MAC is 00:00:5E:00:01:19.
* Options:
* A:25 is decimal, not hex-incorrect conversion. Incorrect.
* B:Correctly uses hex 19 for VRID 25. Correct.
* C:Random, non-VRRP format.Incorrect.
* D:Multicast format, not VRRP. Incorrect.
* Practical Example:In an INE lab, you'd configure VRID 25, capture VRRP packets, and verify 00:00:
5E:00:01:19, troubleshooting HA.References:RFC 3768 - VRRP; Infoblox NIOS Administrator Guide
- HA; INE Course Content: NIOS DDI Grid Troubleshooting.


NEW QUESTION # 26
What types of restrictions can be applied to a super user admin account?

  • A. No restrictions can be applied to super-user accounts
  • B. Database object type
  • C. Read only or read/write
  • D. Network

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:Superuser accounts in NIOS have unrestricted access:
* Definition:Superusers (Administration > Administrators > Edit > Superuser) have full read/write permissions across all Grid objects and functions (DNS, DHCP, Grid settings).
* Restrictions:Unlike regular admins, superusers can't be limited by object type, network scope, or read- only status-their role overrides all constraints.
* Options:
* A/B/C:These apply to non-superuser accounts (e.g., limit to DNS zones or read-only). Incorrect for superusers.
* D:Matches NIOS design-superusers are unrestricted by definition. Correct.
* Practical Example:In an INE lab, a superuser overrides a restricted admin's permissions to fix a Grid issue, testing ultimate control scenarios.References:Infoblox NIOS Administrator Guide - Admin Permissions; INE Course Objective: NIOS DDI Grid Deployment.


NEW QUESTION # 27
You have DHCPv4 failover, and one of the peers lost power, triggering the COMMUNICATIONS- INTERRUPTED state. Power will be restored in 1 hour. In the meantime, there are several new devices coming online. What must you do to ensure DHCP service runs smoothly for everyone?

  • A. Nothing. All existing clients can renew with the remaining peer. The remaining peer can likely service a few new clients even with the reduced new client capacity
  • B. Contact Infoblox Support and be ready to place the remaining peer or member into PARTNER-DOWN
  • C. Immediately increase lease time on affected networks to 4 hours or more
  • D. Change DHCP relay or router configuration to only relay to the remaining peer or member

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:DHCP Failover in NIOS ensures redundancy between two peers (primary and secondary). When one peer loses power, the state shifts toCOMMUNICATIONS- INTERRUPTED, meaning the remaining peer continues serving DHCP but with limited capacity for new leases. Let's analyze:
* Failover Mechanics:In NORMAL state, peers split the lease pool (e.g., 50/50 or custom split). In COMMUNICATIONS-INTERRUPTED, the surviving peer:
* Renews leases for existing clients (using its synced database).
* Assigns new leases from its portion of the pool, with reduced capacity (e.g., MCLT-Maximum Client Lead Time-limits new lease duration).
* Scenario:Power is out for 1 hour, and new devices are joining. The remaining peer can handle renewals and has some new lease capacity (depending on pool size and MCLT, typically 1 hour by default).
* Options:
* A:Contacting support and forcing PARTNER-DOWN gives the surviving peer full pool access, but it's unnecessary for a 1-hour outage with "a few" new clients. Overkill.
* B:Increasing lease time (e.g., to 4 hours) prevents lease expiration but doesn't address new client capacity and requires manual reversion. Unneeded complexity.
* C:Reconfiguring relays to point only to the surviving peer is redundant-it's already receiving requests-and risks misconfiguration. Incorrect.
* D:Doing nothing leverages the failover design: existing clients renew seamlessly, and the remaining peer services new clients within its capacity. Correct for this short-term, low-impact scenario.
* Practical Example:In an INE lab, you'd monitor the surviving peer's lease usage (via Grid Manager > DHCP > Leases) and confirm it handles the load, a key troubleshooting skill.References:Infoblox NIOS Administrator Guide - DHCP Failover; INE Course Content: NIOS DDI DHCP Troubleshooting.


NEW QUESTION # 28
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