200-150 · Question #205
How many layers are present in the OSI layer model versus the TCP/IP model?
The correct answer is D. seven layers in OSI and four layers in TCP/IP. The OSI model has 7 layers and the TCP/IP model has 4 layers.
Question
How many layers are present in the OSI layer model versus the TCP/IP model?
Options
- Afive layers in OSI and six layers in TCP/IP
- Bsix layers in OSI and three layers in TCP/IP
- Cfour layers in OSI and seven layers in TCP/IP
- Dseven layers in OSI and four layers in TCP/IP
How the community answered
(43 responses)- A7% (3)
- B5% (2)
- C2% (1)
- D86% (37)
Why each option
The OSI model has 7 layers and the TCP/IP model has 4 layers.
This inverts the relationship - OSI has seven layers, not five, and TCP/IP has four layers, not six.
OSI has seven layers, not six, and TCP/IP has four layers, not three.
This reverses the correct counts - OSI has seven layers and TCP/IP has four, not the other way around.
The OSI model defines seven distinct layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application. The TCP/IP model maps those into four layers: Network Access, Internet, Transport, and Application, consolidating the lower and upper OSI layers respectively.
Concept tested: OSI model vs TCP/IP model layer counts
Source: https://www.cisco.com/c/en/us/support/docs/ip/routing-information-protocol-rip/13769-5.html
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