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Infoblox NIOS-DDI-Expert Exam - Topic 3 Question 2 Discussion

What does the Stealth option do on a name server for a DNS Zone?
A) Prevents NS records from being automatically added to the zone file for that server
B) Prevents automatic zone transfers to or from the server
C) Prevents the name server from caching responses to queries
D) Prevents the name server from responding to outside queries

Infoblox NIOS-DDI-Expert Exam - Topic 3 Question 2 Discussion

Actual exam question for Infoblox's NIOS-DDI-Expert exam
Question #: 2
Topic #: 3
[All NIOS-DDI-Expert Questions]

What does the Stealth option do on a name server for a DNS Zone?

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Suggested Answer: A

Comprehensive and Detailed In-Depth

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.


by Paola at Mar 20, 2025, 06:34 PM

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Vallie
7 months ago
Surprised to hear that! I always thought it was about responding to outside queries.
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Lizette
7 months ago
Totally agree, it's about keeping those records hidden!
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Kris
7 months ago
It's definitely about preventing NS records from being added.
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Scot
7 months ago
Wait, are you sure? I thought it was for caching responses.
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Onita
7 months ago
I thought it was about zone transfers, not NS records.
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Tamekia
8 months ago
I thought the Stealth option had to do with caching responses, but I could be mixing it up with another topic.
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Ronny
8 months ago
I’m leaning towards option D, where it prevents the name server from responding to outside queries. I think that was mentioned in a lecture.
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Evan
8 months ago
I remember studying that the Stealth option might stop NS records from being added automatically. It’s a bit fuzzy, though.
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Tegan
8 months ago
I think the Stealth option is related to preventing automatic zone transfers, but I'm not entirely sure. It feels like I've seen something similar in practice questions.
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Katlyn
9 months ago
I've got a good feeling about B. Preventing automatic zone transfers seems like the most logical explanation for the Stealth option.
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Veronika
9 months ago
I'm not totally sure about this one. The options all sound plausible, but I'll have to eliminate the ones that don't seem to fit the description of "Stealth".
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Tanja
9 months ago
Okay, I remember learning about this in class. I think the Stealth option is about preventing zone transfers, so I'll go with B.
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Glenna
9 months ago
The Stealth option sounds like it has to do with security or privacy for the name server. I'm leaning towards B or D.
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Altha
9 months ago
Hmm, this one seems a bit tricky. I'll need to think it through carefully.
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Michell
1 year ago
I bet the Stealth option would be great for a name server that's trying to avoid the paparazzi. Option D, you're the real MVP.
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Rolf
1 year ago
D) Prevents the name server from responding to outside queries
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Dexter
1 year ago
C) Prevents the name server from caching responses to queries
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Josphine
1 year ago
B) Prevents automatic zone transfers to or from the server
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Aracelis
1 year ago
A) Prevents NS records from being automatically added to the zone file for that server
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Derick
1 year ago
D) Prevents the name server from responding to outside queries
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Hyman
1 year ago
C) Prevents the name server from caching responses to queries
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Kate
1 year ago
B) Prevents automatic zone transfers to or from the server
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Maurine
1 year ago
A) Prevents NS records from being automatically added to the zone file for that server
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Anglea
1 year ago
Ah, the Stealth option, the secret superpower of name servers. Gotta choose option D to keep those queries at bay.
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Raelene
1 year ago
I believe the Stealth option only hides the NS records, not necessarily block outside queries.
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Douglass
1 year ago
Oh, I see. The Stealth option is for when the name server just wants to stay under the radar, not answering any pesky queries. Option D is the one!
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Helga
1 year ago
Hmm, I thought the Stealth option was like a ninja mode for the name server. Guess I was wrong, option D is the way to go.
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Melina
1 year ago
User 3: I agree, option D prevents the name server from responding to outside queries.
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Miriam
1 year ago
User 2: No, I believe option D is the right choice.
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Krystina
1 year ago
User 1: I think option A is the correct answer.
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Nana
1 year ago
But wouldn't it also prevent the name server from responding to outside queries?
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Edda
1 year ago
The Stealth option prevents the name server from responding to outside queries, so option D is the correct answer.
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Ryan
1 year ago
C) Prevents the name server from caching responses to queries
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Winfred
1 year ago
B) Prevents automatic zone transfers to or from the server
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Denae
1 year ago
A) Prevents NS records from being automatically added to the zone file for that server
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Kent
1 year ago
I agree with Sharmaine, that makes sense because it would hide the name server's identity.
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Sharmaine
1 year ago
I think the Stealth option prevents NS records from being automatically added to the zone file.
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