MENU
Which layer of the OSI model includes the TCP?
Suggested Answer: B
Get Premium Network and Security Foundation (D315) Questions
as Interactive Web-Based Practice Test or PDF
Real Exam Format
Detailed Explanations
Instant Access
Get Your Practice Test
The Transport layer (Layer 4 of the OSI model) includes the Transmission Control Protocol (TCP), which provides reliable, connection-oriented communication. TCP ensures error-checking, sequencing, and retransmission of lost packets.
Application layer deals with end-user protocols like HTTP and FTP.
Session layer manages communication sessions but not transport protocols.
Network layer focuses on IP addressing and routing, not transport mechanisms.
12 comments · newest first
MI
Millie
2 months ago
Definitely B) Transport. It handles end-to-end communication.
YO
Yolando
2 months ago
Agreed! TCP is all about reliable data transfer.
KR
Kristel
2 months ago
I think it's B) Transport. That's where TCP operates.
SA
Sanjuana
2 months ago
Definitely B, no doubt about it.
SI
Simona
2 months ago
I thought it was in the Session layer for a second!
VI
Vincenza
2 months ago
Wait, is TCP really not in the Application layer?
JU
Juan
3 months ago
Totally agree, B is the right answer.
RO
Ronnie
3 months ago
It's in the Transport layer!
SH
Shenika
3 months ago
I’m pretty sure it’s the Transport layer, but I should double-check my notes just in case.
KE
Kerry
3 months ago
I’m a bit confused; I thought TCP might be in the Session layer, but that doesn’t seem right now.
EZ
Ezekiel
3 months ago
I remember practicing a question like this, and I believe the Transport layer is where TCP operates.
BU
Bulah
4 months ago
I think TCP is part of the Transport layer, but I’m not 100% sure.