8.1 Building networks: network structure and security

Question 1

What are the four types of network

Answer 1

PAN
LAN
MAN
WAN

Question 2

What is NIC?

Answer 2

Network Interference Controller which must be present in the device for enabling it to communicate over other devices. Sometimes these are physical parts which are plugged in

Question 3

What is MAC address

Answer 3

Media Access Control address which is a unique address in which devices can be identified

Question 4

What is Switch

Answer 4

Switch contains multiple ports to connect various devices together and stores their MAC address to send and receive data through an ethernet cable

Question 5

What is router

Answer 5

It connects different networks together and provides access to the internet

Question 6

What are the types of transmission?

Answer 6

Serial transmission
parallel transmission

Question 7

What is echo check

Answer 7

It is the method to find errors in the data transmission, by sending the same data received and checking if it’s the same data using an algorithm

Question 8

What is operating system

Answer 8

It is responsible for managing all Hardwares and software. It provides interference to the user to interact with the computer