Layer Responsibilities

Question 1

What is the responsibility of the Link or Network Interface Layer?

Answer 1

Putting frames onto the physical network and handling communication on a local network segment

Uses technologies like Ethernet or Wi-Fi and identifies node interfaces using MAC addresses.

Question 2

What technologies does the Link or Network Interface Layer use?

Answer 2

• Ethernet
• Wi-Fi

These technologies are used for communication on a local network segment.

Question 3

What does the Internet Layer manage?

Answer 3

Packet addressing and routing within a network of networks

It focuses on forwarding data between different networks using IP addresses.

Question 4

True or False: The Internet Layer deals with frames and physical network communication.

Answer 4

False

The Internet Layer focuses on packet addressing and routing, not on frames.

Question 5

What is the primary function of the Transport Layer?

Answer 5

Manages how hosts handle multiple connections for different application protocols

Ensures reliable or unreliable data delivery using protocols like TCP and UDP.

Question 6

Fill in the blank: The Transport Layer uses protocols like _______ and _______.

Answer 6

• TCP
• UDP

These protocols are used for data delivery management.

Question 7

What layer contains protocols for high-level functions such as web browsing or email?

Answer 7

The Application Layer

Operates at a higher level than the Link Layer and does not interact with the physical network.

Question 8

True or False: The Application Layer interacts with the physical network.

Answer 8

False

The Application Layer operates at a much higher level and does not deal with frames.