Unit 1.3 - Networks

Question 1

What is the cloud

Answer 1

Remote servers that gives services (someone else’s computer)

Question 2

What is a Partial Mesh

Answer 2

Only some are connected to every other.

Question 3

What is a WWW

Answer 3

Specific group of computers connected to the internet.

Question 4

What are DNS Servers

Answer 4

A server which maintains directory of domain names and translates them to IP addresses.

Question 5

What is an Internet Protocol (IP)

Answer 5

Routing ad addressing of packets.

Question 6

What are the networks

Answer 6

LAN and WAN

Question 7

What is the hardware

Answer 7

• Switch, NIC, Router, WAP
• Ethernet, Optical Fibre, Coaxial

Question 8

What is a Star Topology

Answer 8

Each device is connected to a central device, usually a hub or switch

Question 9

What is a Mesh Topology

Answer 9

Each device is connected to every other device

Question 10

What are the topologies

Answer 10

Star, Mesh, Bus and Ring

Question 11

What does P2P and C-S stand for

Answer 11

Peer-to-Peer and Client-server

Question 12

What is a Client

Answer 12

A client is a computer that is dependent on servers to provide and manage data.

Question 13

What is a Client-Server

Answer 13

Networks which have designated roles for each computer, to request services or to deliver services.

Question 14

What is a Network Topology

Answer 14

The physical or logical arrangement of connected devices on a network. (It’s the physical connection)

Question 15

What is a DNS Server (Domain Name System Server)

Answer 15

Stores list of domain name linked with corresponding IP adresses

Question 16

What is a Web Server

Answer 16

Computer where the web files are stored.

Question 17

What is a Server

Answer 17

A computer that manages/stores files or provides services to other computers in the network.

Question 18

What is a WAP (Wireless Access Point)

Answer 18

Switch which is connected with radio waves (wireless)

Question 19

What is a NIC (Network Interface Controller)

Answer 19

Holds the MAC address

Question 20

What is a LAN (Local Area Network)

Answer 20

Collection of connected computers in a small geographical area.

Question 21

What is a WAN (Wide Area Network)

Answer 21

Collection of connected computers in a large geographical area.

Question 22

What is a Router

Answer 22

A device that connects LAN’s to WAN’s

Question 23

What is a Switch

Answer 23

Connects all devices in a LAN together.

Question 24

What is a TCP (Transmission Control Protocol)

Answer 24

Allows packets to be sent and received.

Question 25

What is a Network

Answer 25

A collection of computers all connected to each other.

Question 26

What is a Bandwidth

Answer 26

Max amount of date that can be sent across a network at once.

Question 27

What is a Problem Decomposition

Answer 27

Breaking down a problem into smaller more manageable parts.

Question 28

What is Decomposition

Answer 28

Breaking down into smaller parts.

Question 29

What is an Algorithm

Answer 29

Set of steps to complete an action.

Question 30

What is Pattern Matching

Answer 30

Finding repetitions or similarities help solve a problem.

Question 31

What is Abstraction

Answer 31

Focusing on only the important details.

Question 32

What is Media Access Control Address (MAC address)

Answer 32

Unique code for that device (Hexa decimal)

Question 33

What is Network Protocol

Answer 33

Set of rules that allow devices on a network to communicate with each other.

Question 34

What is a File Server

Answer 34

Controls access to separately stored files.

Question 35

What is Peer-to-Peer

Answer 35

All computers are equal and serve their own files to each other.