Network

Question 1

define MAC

Answer 1

MAC stands for Media Access Control and is a unique serial number assigned to eachnetwork interface controller (NIC).

Question 2

How are devices identified on a network

Answer 2

• Internet protocol
• MAC address
• Device name

Question 3

The role of IP

Answer 3

It has a unique address that networked devices use to send data to each other

Question 4

The versions of IP

Answer 4

• IPv4
• IPv6

Question 5

Components of a wired network

Answer 5

• Switch
• Router
• Server

Question 6

What is a wireless access point

Answer 6

A wireless access point allows devices with Wi-Fi connectivity to connect to a wired network.

Question 7

roles of a router

Answer 7

It stores the addresses of all devices that are connected to it so that it can foward network traffic to its destination using the quickest route.

Question 8

roles of a server

Answer 8

Shares data as well as to share resources and distribute work.

Question 9

define ISP

Answer 9

ISP or Internet Service Protocol, is used to connect to the internet but users need to subscribe to an ISP

Question 10

role of a web browser

Answer 10

A web browser is a type of software application used to request and display information stored on web servers.

Question 11

functions of a search engine in regards to information retrieval

Answer 11

Search engine helps users retrieve information on a wide variety of valuable topics.

Question 12

role of filter software in user safety

Answer 12

The filtering software monitors and manages the locations where users are browsing on the Internet which allows the organisation to allow or block web traffic to protect users from threats.

Question 13

define client server network

Answer 13

A network that uses servers and clients is called a client-server network.
A client is a computer connected to a server.

Question 14

define peer to peer network

Answer 14

Peer to peer networks share their resources with other computers in the network, but they don’t have access to servers.

Question 15

the role of servers in client server network

Answer 15

The server connects all of the other computers in the network by acting as a hub

Question 16

benefits of using LAN

Answer 16

• Access to shared peripherals
• Access to shared storage and data
• Shared access to the internet
• Media streaming

Question 17

drawbacks of LAN

Answer 17

• limited geographical range
• data sharing via outside resources.

Question 18

define firewall

Answer 18

A firewall is used a t a gateway to a network and controls the network traffic to and from a network.

Question 19

purpose of WEP/WPA in wireless networks

Question 20

what is encryption

Answer 20

Encryption is the process of encoding, scrambling or jumbling data so unauthorized users are prevented from being able to understand it.

Question 21

what is the role of a VPN

Answer 21

It protects its users by encrypting their data and masking their IP address, leaving their browsing history and location untraceable.

Question 22

how does file access rights contribute to data protection

Answer 22

It allows organizations or individuals to determine who has access to certain files and folders, ensuring that only authorized individuals can view and download sensitive information.

Question 23

importance of backups and data recovery

Answer 23

It keeps a copy of one or more files incase the file is lost.

Question 24

difference between public key encryption and symmetric key encryption

Answer 24

public key encryption uses two different keys, one to encrypt and the other to decrypt

Question 25

which security device controls traffic in a network

Answer 25

firewall

Question 26

why is a booster used in a network

Answer 26

to amplify the signal in a network to extend its range