Network / Number Systems

Question 1

What is a computer network?

Answer 1

A system of interconnected computers and devices that can communicate with each other and share resources.

Question 2

LAN

Answer 2

connects devices within a limited area

Question 3

WAN

Answer 3

network that covers a large geographical area

Question 4

MAN

Answer 4

city or a large campus

Question 5

PAN

Answer 5

very small area

Question 6

VPN

Answer 6

secure network that allows devices to connect to another network over a private connection

Question 7

Servers

Answer 7

provide services and resources to other devices

Question 8

DHCP

Answer 8

automatically assigns IP addresses to devices in a network

Question 9

NIC

Answer 9

a hardware component in a device that enables it to connect to a network

Question 10

Clients

Answer 10

devices that require services or resources from servers over a network

Question 11

Router

Answer 11

devices that direct traffic between different networks

Question 12

Switches

Answer 12

devices that connect devices within a local network

Question 13

Hubs

Answer 13

basic devices that connect multiple devices within a local network

Question 14

Bridges

Answer 14

connects two or more network segments

Question 15

What is a bit? What is a byte?

Answer 15

A hit is the smallest unit of data (0 or 1)
A byte consist of 8 bits
Bytes are used to measure the size of files, memory, and storage devices.

Question 16

Decimal

Answer 16

uses 0 to 9

Question 17

Binary

Answer 17

uses only 1 and 0

Question 18

Octal

Answer 18

Uses 0 to 7
Base of 8

Question 19

Hexadecimal

Answer 19

Uses 0 to 9 and then A to F
Base of 16