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Question 9/40
What does the Stealth option do on a name server for a DNS Zone?
Correct Answer: A
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.
* 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.
- Question List (40q)
- Question 1: When scheduling a Member upgrade, what can an administrator ...
- Question 2: What protocol and port does DHCP Failover use to keep lease ...
- Question 3: You are asked to configure DHCPv4 failover on the Grid. Whic...
- Question 4: An administrator has both Avaya and Cisco VoIP phones that r...
- Question 5: How many IP addresses are required to configure a High Avail...
- Question 6: Which of the following transport protocols are supported by ...
- Question 7: What command clears the NIOS database but preserves system l...
- Question 8: The standard or recommended architecture for NIOS DNS views ...
- Question 9: What does the Stealth option do on a name server for a DNS Z...
- Question 10: A superuser can change the password on another admin account...
- Question 11: Any serial cable will work to connect to the serial port of ...
- Question 12: If a Grid Master Fails, what can be promoted to take the pla...
- Question 13: Which CSV export format is recommended for tasks that involv...
- Question 14: Which action can an administrator safely perform during an u...
- Question 15: What baud rate does the Serial Console use?...
- Question 16: By default, how do peers in an Infoblox DHCP Failover associ...
- Question 17: After making a configuration change on the NIOS Grid, you ar...
- Question 18: Which types of Zone are available for Add Zone? (Select all ...
- Question 19: In NIOS, what can permissions be assigned to? Choose 2 answe...
- Question 20: Which syslogs can be used to view boot-up messages from the ...
- Question 21: What is the destination IP address of a DHCPDISCOVER packet ...
- Question 22: An administrator manages the zone example.com in an Infoblox...
- Question 23: The DHCP server has assigned an address, but the client did ...
- Question 24: The Grid is comprised of all single members. Which member wi...
- Question 25: What sends the email messages for Workflow Approval notifica...
- Question 26: What does the CLI command "reset all" do?...
- Question 27: You accidentally deleted several DNS entries from the Grid. ...
- Question 28: The Infoblox WAPI/RESTful API requires the administrator to ...
- Question 29: You need to reset the database on a Grid member and disconne...
- Question 30: An administrator defined several Upgrade Groups before updat...
- Question 31: When defining a custom DHCP option, what does the administra...
- Question 32: Which of the following statements are true about NIOS CSV im...
- Question 33: The only way to get access to all of the possible diagnostic...
- Question 34: When controlling Grid Members under Grid > Grid Manager &...
- Question 35: To debug possible database issues on an Infoblox appliance, ...
- Question 36: An administrator is copying records between DNS zones. What ...
- Question 37: In what scenario would you tick the "Allow Multiple Values" ...
- Question 38: A Grid member in a DHCP Failover pair is in the PARTNER-DOWN...
- Question 39: How can an administrator access the NIOS Online Documentatio...
- Question 40: When DHCP Failover Status is degraded, the DHCP service is n...
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