iGCSE ICT - Networks, Bluetooth, WiFi, NFC

Question 1

The 'W' in WLAN stands for:

Accepted Answer

wireless

Question 2

WiFi requires an access point for data transfer. With WiFi Direct, data can be transmitted:

Accepted Answer

directly from one device to another

Question 3

NFC (Near-field communication) enables _____ range communication between devices.

Accepted Answer

short

Question 4

A disadvantage NFC versus Bluetooth is:

Accepted Answer

transmission range is shorter, transmission is slower

Question 5

WiFi is short for:

Accepted Answer

Wireless Fidelity

Question 6

Typical uses of Bluetooth include:

Accepted Answer

using a wireless headset with a smartphone, connecting a wireless keyboard to a computer, transferring photos from one device to another, printing wirelessly from a computer

Question 7

NFC technology is used for:

Accepted Answer

sending contact details, swapping photos / music, contactless payment, tapping into public transport systems

Question 8

One way of making a wireless network more secure is to:

Accepted Answer

have a hard to guess password

Question 9

Is it wise to leave your Bluetooth on when out and about?

Accepted Answer

No! It's a cybersecurity risk

Question 10

One thing to bear in mind about WLAN is:

Accepted Answer

they are a little more difficult to make secure

Question 11

At the centre of a WLAN is a:

Accepted Answer

wireless switch or router

Question 12

Routers are needed to:

Accepted Answer

send and receive data to computers

Question 13

An example of an 'Active' NFC device which can send and receive data is a:

Accepted Answer

smartphone

Question 14

A LAN is usually described as being confined to:

Accepted Answer

one building or site

Question 15

Which activities are not advised when using publicly available WiFi?

Accepted Answer

Online shopping, Online banking

Question 16

Many public areas such as airports, hotels and cafes offer WiFi via:

Accepted Answer

hotspots

Question 17

NFC devices are considered to be either 'passive' or __________

Accepted Answer

active

Question 18

If you need to shop or bank online using publicly available unsecured WiFi, you should:

Accepted Answer

use a VPN - the encryption will maintain privacy & security

Question 19

Why should you avoid online shopping on publicly available WiFi?

Accepted Answer

because it involves personal info like bank account details

Question 20

An advantage NFC has over Bluetooth is:

Accepted Answer

safer due to the required close proximity of devices, much less power consumption

Question 21

The two types of connections which networks can use are cables or:

Accepted Answer

wireless

iGCSE ICT - Networks, Bluetooth, WiFi, NFC

Questions 21

iGCSE ICT - Networks, Bluetooth, WiFi, NFC

Questions 21