Connectivity

Question 1

What does an NIC (Network Interface Card) do?

Answer 1

Allows a computer to connect to a network

Question 2

Wired Connection Methods

Answer 2

USB, VGA, HDMI, DVI

Question 3

Wi-fi frequencies

Answer 3

2.4Ghz (slower, stronger signal) and 5Ghz (faster, weaker signal)

Question 4

Ethernet connections (Cat 5, 5e, 6)

Answer 4

Cat 5 = up to 100mb/s, Cat 5e = up to 1gb/s, Cat 6 = up to 10gb/s

Question 5

4 mobile networks

Answer 5

EE, O2, Three, Vodafone

Question 6

4G broadband average speed

Answer 6

30mb/s

Question 7

As of 2018 __ % of people had access to superfast internet (24mbps+)

Answer 7

94%

Question 8

Virtual providers (EE, O2)

Answer 8

EE (Asda, BT, Virgin) & O2 (GiffGaff, Tesco, Sky)

Question 9

Mobile network coverage

Answer 9

Divide country into “cells”, each mast covers a certain area

Question 10

Router

Answer 10

Used to connect 2 networks together (most Wi-fi routers have a built in modem)

Question 11

Bluetooth use

Answer 11

Exchanging data wirelessly over short distances

Question 12

Upload is

Answer 12

Data from PC to ISP (usually slower)

Question 13

Download is

Answer 13

Data from ISP to PC (usually faster)

Question 14

Bluetooth facts

Answer 14

Low power, encrypted, 2.4Ghz band, 10m range

Question 15

Wi-fi VS Ethernet

Answer 15

Cost, speed, reliability, ease of connection, number of users