HT5 - Networks

Question 1

what is ASCII

Answer 1

it is 1 way that computers represent text

Question 2

what is a LAN

Answer 2

Local Area Network is usually in one building e.g. office/school

Question 3

what is WAN

Answer 3

Wide area network usually consists of a lot of interconnected LANs

Question 4

what is PAN

Answer 4

personal area network is connected devices centered on an individual persons workspace

Question 5

switch

Answer 5

allows many devices in one network such as computers and printers to connect together

Question 6

router

Answer 6

connect 2 networks together

Question 7

Modem

Answer 7

converts data into sound to travel along pone lines

Question 8

Wireless Access Point (WAP)

Answer 8

Receives wireless signals from wireless devices usually found in schools/offices

Question 9

Network Interface Card

Answer 9

allows computers to connect together using cables. Usually found in buildings which have lots of desktop computers

Question 10

Transmission media (Cables)

Answer 10

Carry data around a network. Most common are Ethernet cables which plug into NICs

Question 11

Wireless interface card

Answer 11

Allows wireless computers such as laptops or tablets to connect to a network via a WAP

Question 12

hacking

Answer 12

a computer hacker is a computer expert who uses technical knowledge to achieve a goal or overcome an obstacle, within a computerized system by non standard means

Question 13

Malware

Answer 13

any software intentionally designed to cause damage to a computer, server or client, or computer network. some examples are worms , trojan horses, ransomware, spyware etc.

Question 14

Phishing

Answer 14

Phishing is a type of social engineering attack often used to steal user data, including login credentials and credit card numbers

Question 15

Brute force attack

Answer 15

What is brute force attack?
A brute force attack is a hacking method that uses trial and error to crack passwords, login credentials, and encryption keys