INFOBLOX NIOS-DDI-EXPERT VALID STUDY GUIDE & NIOS-DDI-EXPERT NEW DUMPS PDF

Infoblox NIOS-DDI-Expert Valid Study Guide & NIOS-DDI-Expert New Dumps Pdf

Infoblox NIOS-DDI-Expert Valid Study Guide & NIOS-DDI-Expert New Dumps Pdf

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Updated Infoblox NIOS-DDI-Expert Questions To Clear NIOS-DDI-Expert Exam

To assist applicants preparing for the Infoblox Qualified NIOS DDI Expert - INE (NIOS-DDI-Expert) real certification exam effectively, 2Pass4sure offers Infoblox NIOS-DDI-Expert desktop practice test software and a web-based practice exam besides actual PDF NIOS-DDI-Expert exam questions. These NIOS-DDI-Expert Practice Exams replicate the Infoblox NIOS-DDI-Expert real exam scenario and offer a trusted evaluation of your preparation. No internet connection is necessary to use the NIOS-DDI-Expert Windows-based practice test software.

Infoblox Qualified NIOS DDI Expert - INE Sample Questions (Q61-Q66):

NEW QUESTION # 61
Which types of Zone are available for Add Zone? (Select all that apply.)

  • A. Delegation
  • B. Forward Zone
  • C. Authoritative Zone
  • D. Primary Zone

Answer: A,B,C,D

Explanation:
Comprehensive and Detailed In-Depth Explanation:In NIOS Grid Manager (Data Management > DNS > Add Zone), administrators can create various zone types to manage DNS resolution. All listed options are valid:
* A (Authoritative Zone):A zone where the Infoblox appliance is the authoritative source for DNS records (e.g., example.com with A, MX records). Correct.
* B (Forward Zone):A zone configured to forward queries to external DNS servers (e.g., forwarding
"internal.com" to a corporate DNS). Correct.
* C (Primary Zone):Often synonymous with Authoritative Zone in Infoblox, it's a master zone hosting original DNS data (distinct from secondary zones). Correct.
* D (Delegation):A zone delegated to another name server (e.g., "sub.example.com" delegated to different NS records). Correct.
* Clarification:In NIOS, "Authoritative" and "Primary" are sometimes used interchangeably, but both are options in the Add Zone wizard, alongside Forward and Delegation zones.
* Practical Example:In an INE lab, you might add an Authoritative Zone for "lab.com," a Forward Zone for external lookups, and a Delegation for a subdomain, testing DNS troubleshooting across these types.
References:Infoblox NIOS Administrator Guide - DNS Zone Management; INE Course Content:
NIOS DDI DNS Troubleshooting.


NEW QUESTION # 62
When viewing NTP statistics in NIOS CLI, you notice an entry has the asterisk symbol () next to it. What does the asterisk symbol () signify?

  • A. It means this NTP server is unreachable
  • B. It means the NTP service is disabled for the Member
  • C. It means this NTP server is offline
  • D. It means the Member is synchronized to this NTP server

Answer: D

Explanation:
Comprehensive and Detailed In-Depth Explanation:NTP (Network Time Protocol) synchronization is critical for Grid operations, and NIOS CLI provides status via show ntp:
* Output Format:Lists NTP servers with symbols:
* *: The server the member is currently synchronized to (stratum and offset shown).
* +: Candidate server (reachable but not primary).
* -: Unreachable or rejected server.
* Asterisk Meaning:Indicates the active sync source, ensuring time consistency across the Grid.
* Options:
* A:Unreachable servers get a "-" or no symbol, not "*". Incorrect.
* B:Matches NTP convention and NIOS behavior-synchronized server. Correct.
* C:Offline servers don't sync and lack "*". Incorrect.
* D:Disabled NTP would prevent stats display, not mark a server. Incorrect.
* Practical Example:In an INE lab, you'd run show ntp, see "*pool.ntp.org," and troubleshoot time drift if the asterisk shifts, testing Grid stability.References:Infoblox NIOS CLI Reference Guide - NTP Commands; INE Course Content: NIOS DDI Grid Troubleshooting.


NEW QUESTION # 63
What is the destination IP address of a DHCPDISCOVER packet from a client?

  • A. Broadcast address of client subnet
  • B. 255.255.255.255
  • C. 224.0.0.52
  • D. 0.0.0.0

Answer: B

Explanation:
Comprehensive and Detailed In-Depth Explanation:DHCPDISCOVER is the initial broadcast a client sends to find a DHCP server:
* Packet Details:
* Source IP:0.0.0.0 (client has no IP yet).
* Destination IP:255.255.255.255 (limited broadcast, all devices on the local network).
* Sent via UDP (port 67 server, 68 client).
* Why 255.255.255.255:The client doesn't know the server's IP and broadcasts to all local devices.
Relays may forward it, but the initial packet targets the universal broadcast address.
* Options:
* A:0.0.0.0 is the source, not destination. Incorrect.
* B:224.0.0.52 is a multicast address, not used in DHCPDISCOVER. Incorrect.
* C:Matches DHCP broadcast standard (RFC 2131). Correct.
* D:Subnet-specific broadcast (e.g., 192.168.1.255) applies post-relay, not the initial packet.
Incorrect.
* Practical Example:In an INE lab, you'd capture a DHCPDISCOVER with Wireshark, confirm
255.255.255.255, and troubleshoot relay issues.References:RFC 2131 - DHCP; Infoblox NIOS Administrator Guide - DHCP Basics; INE Course Content: NIOS DDI DHCP Troubleshooting.


NEW QUESTION # 64
When DHCP Failover Status is degraded, the DHCP service is not functioning.

  • A. False
  • B. True

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:DHCP Failover in NIOS ensures redundancy, and its status reflects operational health:
* Degraded Status:Not an official NIOS failover state (e.g., NORMAL, COMMUNICATIONS- INTERRUPTED, PARTNER-DOWN). Likely a misnomer for a partial issue (e.g., COMMUNICATIONS-INTERRUPTED or high lease usage). Even in such states, DHCP service continues:
* Clients renew leases from the surviving peer.
* New leases are issued within limits (e.g., MCLT).
* Why False:"Not functioning" implies total failure, but failover design ensures partial service persists unless both peers are down (e.g., HARDWARE-FAILURE state). A degraded-like condition doesn't stop DHCP entirely.
* Practical Example:In an INE lab, you'd simulate a peer losing sync (COMMUNICATIONS- INTERRUPTED), verify clients still get IPs, and troubleshoot via DHCP logs, proving service continuity.References:Infoblox NIOS Administrator Guide - DHCP Failover States; INE Course Content: NIOS DDI DHCP Troubleshooting.


NEW QUESTION # 65
A firewall change has interrupted the DHCP Failover communication between two DHCP Failover peers.
Both peers are still online and can communicate to clients, but the state is now COMMUNICATIONSINTERRUPTED. What should the administrator do?

  • A. Place the secondary peer into PARTNER-DOWN
  • B. Nothing
  • C. Place the Primary peer into PARTNER-DOWN
  • D. Change split value

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:DHCP Failover peers sync leases via TCP 647. A firewall blocking this shifts the state to COMMUNICATIONS-INTERRUPTED:
* State Impact:
* Both peers serve existing clients and limited new leases (via MCLT).
* No sync occurs, risking lease conflicts if prolonged.
* Best Action:Manually set one peer toPARTNER-DOWN(Grid > DHCP > Failover > Edit), giving the other full pool control to avoid conflicts.
* Why Secondary:Conventionally, the secondary is set to PARTNER-DOWN, letting the primary take over as the authoritative peer (per Infoblox best practices).
* Options:
* A:Doing nothing risks conflicts if new leases exceed MCLT capacity. Incorrect long-term.
* B:Primary to PARTNER-DOWN cedes control to secondary, less standard. Incorrect.
* C:Secondary to PARTNER-DOWN empowers primary, aligning with failover design. Correct.
* D:Changing split value doesn't address sync loss. Incorrect.
* Practical Example:In an INE lab, you'd simulate this, set secondary to PARTNER-DOWN, and troubleshoot lease consistency post-firewall fix.References:Infoblox NIOS Administrator Guide - DHCP Failover States; INE Course Content: NIOS DDI DHCP Troubleshooting.


NEW QUESTION # 66
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