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WGU Network and Security Foundation (D315) Exam - Topic 2 Question 14 Discussion

Posted by Huey on Jul 02, 2026 at 04:40 AM

Which layer of the TCP/IP model includes the Internet Protocol (IP)?

Suggested Answer: C

The Network or Internet layer of the TCP/IP model is responsible for addressing, routing, and delivering packets across networks. The Internet Protocol (IP) operates at this layer, ensuring that data is correctly routed from the source to the destination.

Physical or network access layer deals with hardware transmission (e.g., Ethernet, Wi-Fi).

Application layer includes end-user services (e.g., HTTP, FTP).

Transport layer manages data flow using protocols like TCP and UDP but does not handle IP addressing.


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21 comments · newest first
CL
Claribel 2 days ago
I hope I get this right in the exam!
VE
Verda 7 days ago
Yeah, the Internet Protocol is key for that layer.
AD
Adelle 12 days ago
I remember learning that in class. Definitely C!
AN
Annice 18 days ago
Same here! But C seems right.
LO
Louvenia 23 days ago
I feel confused about the layers sometimes.
LI
Lindsay 28 days ago
Agreed! IP is all about routing.
RO
Rosina 1 month ago
I think it's C) Network or internet. Makes sense!
RO
Ronnie 1 month ago
I always mix up the layers, but I think you're all right!
SH
Shalon 1 month ago
C is correct, IP is all about networking!
FR
Frankie 2 months ago
Wait, are we sure about that? I thought it might be in the Application layer.
CA
Catarina 2 months ago
Agreed, that's the right answer!
CH
Charolette 2 months ago
It's definitely C) Network or internet.
LA
Larue 2 months ago
I thought it was A for a second, but C makes sense.
MO
Mohammad 2 months ago
C is correct, IP is all about networking!
RI
Rima 2 months ago
Wait, are we sure it's not B) Application?
AL
Alethea 3 months ago
Totally agree, that's the right answer!
IL
Ilene 3 months ago
It's definitely C) Network or internet.
MA
Malcolm 3 months ago
I believe the correct answer is C) Network or internet, but I might be mixing it up with the OSI model terminology.
JE
Jennie 3 months ago
I’m a bit confused; I thought the Application layer dealt with protocols like HTTP, but I can’t recall where IP fits in.
KI
Kimberlie 3 months ago
I remember practicing a question about the layers of the TCP/IP model, and I think IP is definitely in the Network layer.
BE
Bettina 4 months ago
I think the Internet Protocol is part of the Network layer, but I’m not completely sure if it’s called the Internet layer in the TCP/IP model.
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