TCP/IP Layers

Question 1

What is the difference between the TCP/IP model and the OSI model?

Answer 1

The OSI is a ideal reference model for compatible networks that is useful for education, TCP is a practical model and in use today.

Question 2

What layers of the OSI layers are merged together for the TCP/IP model?

Answer 2

Application, Presentation and Session OSI layers for the TCP layer Application

Data link and Physical OSI layers for the TCP layer Link

Question 3

What is the TCP Link Layer?

Answer 3

Handles the physical and data link aspects of communication; manages the hardware addressing and access to the physical transmission medium. Ethernet, WIFI, ARP.

Question 4

What is the TCP Internet Layer?

Answer 4

Provides logical addressing and routing of packets across networks; manages the movement of packets across different networks and ensures the reach the correct destination. IP, ICMP, IGMP.

Question 5

What is the TCP Transport Layer?

Answer 5

Facilitates end-to-end communication and error handling; provides reliable and unreliable delivery of data between devices. It ensure complete data transfer, error detection and correction, and flow control. TCP, UDP.

Question 6

What is the TCP Application Layer?

Answer 6

Supports application and end-user processes; interfaces directly with user applications and provides various network services. HTTP, FTP, SMTP, DNS, Telnet, SSH.

Question 7

How many TPC/IP layers are there.

Answer 7

Four

Question 8

What are the four TCP/IP layers?

Answer 8

Application, Transport, Internet, Link

(ATIL)