MENU
Which of the following ports is used for NetBIOS null sessions?
Suggested Answer: B
Get Premium GPEN Questions
as Interactive Web-Based Practice Test or PDF
Real Exam Format
Detailed Explanations
Instant Access
Get Your Practice Test
33 comments · newest first
DE
Denny
10 months ago
Yeah, 139 is the one used for file sharing too.
MO
Moon
11 months ago
Wait, are we sure about that?
CH
Cherelle
11 months ago
139 is correct, no doubt about it!
DI
Dion
11 months ago
I thought it was 130?
ST
Stephane
11 months ago
It's definitely port 139 for NetBIOS null sessions.
JE
Jenifer
11 months ago
I recall that 139 is the one for NetBIOS, but I need to double-check that before I commit to it.
TW
Twana
12 months ago
I’m a bit confused; I thought it might be port 130, but now I’m second-guessing myself.
JE
Jeffrey
12 months ago
I remember practicing a question about NetBIOS, and I think it was definitely related to port 139 too.
YO
Yoko
12 months ago
I think NetBIOS null sessions use port 139, but I’m not completely sure.
AN
Annice
12 months ago
Okay, let me think this through step-by-step. NetBIOS is used for file and printer sharing, and null sessions are unauthenticated connections. I believe the port for that is 139.
EM
Emerson
12 months ago
I'm a little confused - I thought NetBIOS null sessions used a different port, but I can't recall which one off the top of my head.
EL
Elena
12 months ago
Ah, I remember learning about this in class. It's definitely port 139, no doubt about it.
EL
Elouise
12 months ago
Hmm, I'm a bit unsure about this one. I'll have to think it through carefully.
DI
Dick
1 year ago
I'm pretty sure it's port 139 - that's the standard port for NetBIOS null sessions.
LA
Laurel
2 years ago
I'll go with B) 139. Though I'm a bit disappointed it's not D) 131 - that would've been a hilarious answer.
TR
Tracie
2 years ago
B) 139, without a doubt. Gotta love those null sessions, am I right? *winks*
EA
Earleen
2 years ago
D) 131
SH
Sherly
2 years ago
B) 139 is correct. Null sessions can be useful for enumeration.
IL
Ilene
2 years ago
B) 139, without a doubt. Gotta love those null sessions, am I right? *winks*
MI
Mignon
2 years ago
A) 130
AL
Alethea
2 years ago
I'm not sure, but I think port 139 makes sense because NetBIOS typically uses that port.
AL
Alita
2 years ago
I agree with Ezekiel, port 139 is used for NetBIOS null sessions.
SO
Solange
2 years ago
Hmm, I'm leaning towards B) 139, but I can never keep those NetBIOS ports straight. Maybe I should've paid more attention in class.
JA
Jackie
2 years ago
User 3: I always get those ports mixed up, but I think B) 139 is correct.
EL
Elinore
2 years ago
User 2: Yeah, I remember that from class too.
KE
Kerry
2 years ago
User 1: I think you're right, it's B) 139 for NetBIOS null sessions.
EZ
Ezekiel
2 years ago
I think the answer is B) 139.
TO
Toi
2 years ago
Definitely B) 139. I remember this from my networking classes. Easy peasy.
AN
Annamae
2 years ago
I'm pretty sure it's B) 139. That's the classic NetBIOS port, right?
MI
Minna
2 years ago
Port 139 is the correct answer for NetBIOS null sessions.
LA
Lashanda
2 years ago
That's correct. Port 139 is the one used for NetBIOS null sessions.
LA
Lashawna
2 years ago
I think you're right. Port 139 is the classic NetBIOS port.
TA
Tasia
2 years ago
Yes, you are correct. Port 139 is indeed used for NetBIOS null sessions.