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You work as a Network Administrator for NetTech Inc. The company's network has a Windows 2000 domain-based network. You want to prevent malicious e-mails from entering the network from the non-existing domains. What will you do to accomplish this?
Suggested Answer: C
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12 comments · newest first
FR
Franklyn
28 days ago
I feel like option A might be risky. Enabling recursive queries could open the door for more threats.
FR
France
1 month ago
I’m leaning towards option C. Enabling reverse lookup could help verify the sender's domain.
DO
Dorathy
1 month ago
I think option D is the best choice. Disabling recursive queries can help block those malicious emails.
IV
Ivette
1 month ago
Yeah, but disabling recursive queries might cause other issues too!
EN
Enola
2 months ago
Just a fact: non-existing domains can be blocked with proper DNS settings.
HE
Herminia
2 months ago
Wait, are we sure about that? I thought enabling reverse lookup was better.
RO
Rosendo
2 months ago
Totally agree, option D makes the most sense here.
NA
Nan
2 months ago
I think disabling DNS recursive queries is the way to go.
CH
Chu
2 months ago
I’m leaning towards option D, but I’m not confident. I remember something about recursive queries being a security risk in some scenarios.
CH
Chaya
2 months ago
I feel like I might have seen something about disabling DNS reverse lookup causing issues with email delivery, but I can't recall the details.
KE
Keshia
3 months ago
I remember a practice question where enabling DNS reverse lookup was mentioned as a way to verify email sources. Could that be relevant here?
DE
Deandrea
3 months ago
I think disabling DNS recursive queries might help, but I'm not entirely sure if that's the right approach for blocking malicious emails.