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On which of the following OSI layers does the Pretty Good Privacy (PGP) work?
Suggested Answer: A
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AppLocker whitelists applications by creating rules that specify which files are allowed to run. One of the primary methods for specifying these rules is through the use of Path Rules. Path Rules allow administrators to specify an allowed file or folder path, and any application within that path is permitted to run. This method is particularly useful for allowing applications from a known directory while blocking others that are not explicitly approved.
27 comments · newest first
TI
Tiara
10 months ago
I thought it might be in the Transport layer, but I guess not!
AM
Amie
10 months ago
Yup, definitely Application.
FR
France
11 months ago
Wait, is it really just the Application layer?
JO
Joanna
11 months ago
Totally agree, it's all about securing messages!
PA
Paris
11 months ago
PGP works at the Application layer.
KA
Kanisha
11 months ago
I feel like I’ve seen something similar in practice exams, and they pointed to Application as well. I hope that’s correct!
LE
Letha
12 months ago
I'm a bit confused. I thought PGP might involve the Transport layer too, but now I’m leaning towards Application.
BE
Bernardo
12 months ago
I remember practicing a question about PGP, and I think it was also related to the Application layer. It makes sense since it's used for email security.
SO
Sonia
1 year ago
I think PGP operates at the Application layer, but I'm not entirely sure. It deals with encryption, right?
LE
Lettie
1 year ago
I've got a good feeling about the application layer for this question. PGP seems to be more of an end-user tool rather than something that would be part of the lower-level network protocols.
CR
Crista
1 year ago
Okay, I remember learning that PGP is a security protocol that provides encryption and authentication services. Since those are higher-level functions, I'm going to go with the application layer for this one.
MA
Mari
1 year ago
Hmm, I'm a bit confused on this one. I know PGP has to do with encryption, but I'm not sure which OSI layer it operates on. I'll have to think this through carefully.
LA
Laurel
1 year ago
I'm pretty sure PGP works at the application layer, but I'll double-check the details just to be sure.
JA
Jarvis
1 year ago
Transport layer? Really? That's like saying PGP is used to control the flow of packets or something. Clearly the answer is A.
VI
Vivienne
1 year ago
C) Network
LE
Lettie
1 year ago
Exactly! PGP operates on the application layer for secure communication.
DI
Dino
1 year ago
A) Application
DY
Dyan
1 year ago
C'mon, it's got to be on the network layer, right? I mean, it's all about encryption and security stuff.
PA
Pa
1 year ago
I don't know, maybe it's on the data link layer? Wouldn't that be hilarious if that was the right answer?
DA
Dalene
1 year ago
Joaquin: No problem, it's always good to learn something new.
JO
Joaquin
1 year ago
User 2: Oh, I had no idea. Thanks for letting me know!
EL
Elbert
1 year ago
User 1: PGP actually works on the application layer.
JA
Jaime
2 years ago
PGP is definitely an application-layer protocol, so A is the correct answer. Easy peasy!
DA
Daniela
1 year ago
A) Application
JA
Jackie
2 years ago
I see your point, but I still think PGP operates on the Application layer because it encrypts and decrypts data at that level.
ST
Stephen
2 years ago
I disagree, I believe PGP works on the Transport layer.
JA
Jackie
2 years ago
I think PGP works on the Application layer.