NIOS-DDI-EXPERT PRACTICE TEST: INFOBLOX QUALIFIED NIOS DDI EXPERT - INE & NIOS-DDI-EXPERT EXAM BRAINDUMPS

NIOS-DDI-Expert Practice Test: Infoblox Qualified NIOS DDI Expert - INE & NIOS-DDI-Expert Exam Braindumps

NIOS-DDI-Expert Practice Test: Infoblox Qualified NIOS DDI Expert - INE & NIOS-DDI-Expert Exam Braindumps

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Infoblox Qualified NIOS DDI Expert - INE Sample Questions (Q53-Q58):

NEW QUESTION # 53
What filters are available for Global Search Basic Mode? (Select all that apply.)

  • A. IP Address
  • B. DNS Name
  • C. MAC Address
  • D. Record Type

Answer: A,B,D

Explanation:
Comprehensive and Detailed In-Depth Explanation:Global Search in NIOS (top-right search bar) offers Basic and Advanced modes:
* Basic Mode Filters:Allows quick searches across Grid objects using:
* DNS Name:Search by FQDN (e.g., "host.example.com"). Correct.
* IP Address:Search by IPv4/IPv6 (e.g., "192.168.1.10"). Correct.
* Record Type:Filter by DNS types (e.g., A, CNAME). Correct.
* MAC Address:Available in Advanced mode (Data Management > Global Search > Advanced), not Basic mode, which focuses on DNS/IP basics. Incorrect here.
* Usage:Enter a term (e.g., "example.com"), select a filter, and view results (e.g., all A records).
* Practical Example:In an INE lab, you'd use Basic mode to find all A records for "lab.com," troubleshoot DNS issues, and switch to Advanced for MAC searches.References:Infoblox NIOS Administrator Guide - Global Search; INE Course Content: NIOS DDI DNS Troubleshooting.


NEW QUESTION # 54
Which of the following statements about restarting Grid services are true? (Select all that apply.)

  • A. You can schedule service restarts
  • B. You can poll members to see which services will be restarted
  • C. You can force service restart on a member
  • D. By default, the Grid restarts services every day

Answer: A,C

Explanation:
Comprehensive and Detailed In-Depth Explanation:Restarting services (e.g., DNS, DHCP) on NIOS Grid members is a common administrative task, often required after configuration changes. Let's break down each option with detailed reasoning:
* A:"Poll members to see which services will be restarted" suggests proactively querying members for restart eligibility. NIOS doesn't offer a specific polling feature for this-administrators check service status (e.g., via Grid Manager > Members > Services) or logs, but there's no pre-restart polling tool.
Incorrect.
* B:In Grid Manager (Grid > Grid Manager > Members), you can select a member and click "Restart Services" with a "Force Restart" option, overriding any checks for necessity. This is useful in troubleshooting (e.g., clearing a hung DNS service). Correct.
* C:NIOS allows scheduling service restarts via the "Schedule Restart" option in Grid Manager, letting you specify a time to minimize disruption (e.g., off-hours). This aligns with Grid management best practices taught in INE. Correct.
* D:There's no default daily restart policy in NIOS. Restarts occur only when triggered by an admin or system event (e.g., upgrade). This would disrupt service unnecessarily if true. Incorrect.
* Practical Example:During an INE lab, you might force a restart on a member to resolve a DHCP failover issue or schedule a restart after updating a DNS zone to ensure propagation, reflecting real- world Grid troubleshooting.References:Infoblox NIOS Administrator Guide - Managing Grid Services; INE Course Content: NIOS DDI Grid Troubleshooting.


NEW QUESTION # 55
VRRP is used for Infoblox High Availability. VRRP requires a virtual IP address, a virtual router ID, a virtual MAC address, and a VRRP priority. The administrator configures which values? (Select all that apply.)

  • A. Virtual router ID
  • B. Virtual MAC address
  • C. VRRP priority
  • D. Virtual IP address

Answer: A,C,D

Explanation:
Comprehensive and Detailed In-Depth Explanation:Virtual Router Redundancy Protocol (VRRP) is the mechanism Infoblox uses for HA pairs, ensuring seamless failover between active and passive nodes by sharing a virtual IP (VIP). Let's analyze what the administrator configures:
* A (Virtual MAC Address):VRRP automatically generates the virtual MAC address based on the Virtual Router ID (VRID) using the format 00:00:5E:00:01:XX, where XX is the VRID in hexadecimal. The admin doesn't manually set this-it's derived. Incorrect.
* B (Virtual IP Address):The VIP is the shared IP that clients use to reach the HA pair. The administrator must configure this in the HA setup (e.g., 192.168.1.100) to define the service endpoint.
Correct.
* C (Virtual Router ID):The VRID (1-255) uniquely identifies the VRRP group on the network. The admin sets this to avoid conflicts with other VRRP instances. Correct.
* D (VRRP Priority):The priority (0-255) determines which node is active (higher priority wins). The admin configures this (e.g., 100 for active, 90 for passive) to control failover behavior. Correct.
* Practical Example:In an INE lab, you'd configure a VIP (e.g., 10.0.0.10), VRID (e.g., 25), and priorities (e.g., 100/90) to set up an HA pair, then troubleshoot failover using VRRP logs.References:
Infoblox NIOS Administrator Guide - HA Configuration with VRRP; INE Course Content: NIOS DDI Grid Deployment.


NEW QUESTION # 56
What does the Stealth option do on a name server for a DNS Zone?

  • A. Prevents automatic zone transfers to or from the server
  • B. Prevents the name server from caching responses to queries
  • C. Prevents the name server from responding to outside queries
  • D. Prevents NS records from being automatically added to the zone file for that server

Answer: D

Explanation:
Comprehensive and Detailed In-Depth Explanation:Stealth option in NIOS DNS (Data Management > DNS > Zone > Name Servers):
* A:"Stealth" hides the server from NS records in the zone file, making it authoritative but unlisted- useful for internal servers. Correct.
* B:Zone transfers are controlled by ACLs, not Stealth. Incorrect.
* C:Caching is unrelated-Stealth affects visibility, not function. Incorrect.
* D:Response behavior isn't altered-still answers queries. Incorrect.
* Practical Example:In an INE lab, set a stealth NS, verify NS record absence, and troubleshoot external visibility.References:Infoblox NIOS Administrator Guide - DNS Name Servers; INE Course Content:
NIOS DDI DNS Troubleshooting.


NEW QUESTION # 57
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 TCP 1194, can be user configured
  • C. Default is UDP 647, can be user configured
  • D. Default is TCP 647, can be user configured

Answer: D

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 # 58
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