NCF Topic 3

Which one of the following describes the system of rules and procedures that govern communication between two or more devices.

• Protocol

• Operating system

• Firmware

• Application

Which network protocol ensures reliability of data transmission?

• TCP

• IP

• UDP

• HTTP

Which network protocol provides a logical addressing scheme and dictates how packets of information are sent out?

• IP

• TCP

• UDP

• HTTPS

Identify the 4 layers of the TCP/IP model.

• Network Interface

• Internet

• Transport

• Application

• Session

HTTP, FTP, DHCP and PING belongs to which layer of the TCP/IP model?

• Application

• Transport

• Network

• Network Interface

TCP and UDP belongs to which layer of the TCP/IP model?

• Application

• Transport

• Network

• Network Interface

IP, ARP, ICMP and IGMP belongs to which layer of the TCP/IP model?

• Application

• Transport

• Network

• Network Interface

Ethernet belongs to which layer of the TCP/IP model?

• Application

• Transport

• Network

• Network Interface

How many layers are there in the OSI reference model?

• 4

• 5

• 7

• 8

The Physical and Data link layers in the OSI model corresponds with which layer in the TCP/IP model?

• Network interface

• Network

• Transport

• Physical