Basic Understanding of Network Models

What is the purpose of the OSI model in networking?

• To provide a framework for understanding network communication

• To replace the TCP/IP model

• To create new programming languages

• To only manage physical cables

How many layers does the OSI model have?

• 4

• 5

• 7

• 10

Which of the following is NOT one of the OSI model layers?

• Transport

• Session

• Presentation

• Firewall

How many layers does the TCP/IP model have?

• 2

• 3

• 4

• 7

Which layer of the OSI model is responsible for physical data transmission, such as cables and signals?

• Network

• Transport

• Data Link

• Physical

At which OSI layer do MAC addresses function?

• Network

• Transport

• Data Link

• Application

Which layer is responsible for logical addressing and routing data between devices?

• Network

• Physical

• Presentation

• Session

Which OSI layer ensures reliable communication through segmentation, error detection, and flow control?

• Data Link

• Network

• Transport

• Physical

Which protocol operates at the Transport layer of the OSI model?

• A) IP

• B) HTTP

• C) TCP

• D) Ethernet

Which protocol operates at the Application layer?

• TCP

• UDP

• HTTP

• IP