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GIAC GPEN Exam - Topic 10 Question 85 Discussion

Posted by Jolanda on May 06, 2026 at 01:30 AM

Which of the following nmap switches is used to perform NULL scan?

Suggested Answer: A

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24 comments · newest first
DA
Daron 2 days ago
I thought -sP was for ping scans.
VA
Valentin 7 days ago
NULL scan is tricky, but A is correct.
EL
Elsa 12 days ago
I remember -sN is stealthy.
DO
Dottie 17 days ago
-sO is for other scans, not NULL.
PA
Patti 22 days ago
I feel confused about the options.
RO
Ronald 28 days ago
Yeah, I agree! It's the right one.
DE
Delfina 1 month ago
I think it's A) -sN for NULL scan.
CA
Casey 1 month ago
A) -sN is the only one that fits. Good luck, everyone!
LI
Lizette 1 month ago
I thought it was D) -sP at first. But no, that’s ping.
BO
Bobbye 2 months ago
I feel confident about this one. A is the answer!
MA
Malcolm 2 months ago
I remember learning about this. Definitely A) -sN.
GU
Gussie 2 months ago
Nah, -sO is for other scans. Stick with A.
MA
Marlon 2 months ago
I’m not sure. What about B) -sO?
JA
Janessa 2 months ago
Yeah, I agree. NULL scan is stealthy.
FE
Felicitas 2 months ago
I think it's A) -sN. Feels right.
LA
Laila 3 months ago
I didn't know that! NULL scan sounds interesting.
CL
Claudia 3 months ago
Nope, -sP is for ping scans, not NULL.
JO
Johanna 3 months ago
Wait, are you sure? I thought it was -sO.
MA
Margret 3 months ago
Agreed, -sN is the right one!
CA
Cathrine 3 months ago
It's definitely -sN for NULL scan.
ED
Edelmira 4 months ago
I’m pretty sure -sP is for ping scans, so that rules it out. I think it’s definitely -sN for NULL scans.
SU
Sunny 5 months ago
I’m a bit confused; I thought -sO was related to something else. Wasn’t that for IP protocol scanning?
HU
Hubert 5 months ago
I remember we did a question about nmap scans, and I feel like -sN was mentioned as the one for NULL scans.
AZ
Azalee 5 months ago
I think the NULL scan switch is -sN, but I’m not entirely sure. It sounds familiar from our practice sessions.
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