IGCSE Chapter 4 and a little Prior

Name the networking device that acts as an entrance to another network, most of the time is the router or ____ :

• Modem

• Gateway

• Bridge

• Switch

What is the name of a group of computers that are able to communicate with each other.

• WiFI

• Using internet only

• Network

• Bluetooth

IP address is made of _______ bits

• 2

• 8

• 24

• 32

Two different versions of IP Addresses:

• IPv4

• IPv5

• IPv2

• IPv6

Two common available methods in wireless communications are:

• WiFi

• Fiber Optic

• Bluetooth

• Ethernet

Two common use of Bluetooth:

• Used to download videos from internet

• When transferring data in less than 30 metres

• When the speed of data transmission is not critical

• When transferring data to internet

Which Wireless communication has highest Data transfer rate..

• Fiber Optic

• Wifi

• Bluetooth

• Modem

Maximum number of devices connected in Wifi...

• Depend on bridge

• 7

• Depends on router

• Both Choice of number 2 and 3

What are Maximum effective range (metres) for Wifi and Bluetooth...

• Wifi = 100 m, Bluetooth = 3 m

• Wifi = 100 m, Bluetooth = 30 m

• Wifi = 10 m, Bluetooth = 3 m

• None of the above

Two advantages of wireless networking technology such as WiFi compared to cabled network

• Reduced cost of cabling/Safer – won’t trip over wires

• Much faster data transmission compared to Cabled

• More secure compared to cabled

• Makes the computer portable as long as it’s within range of the wireless access point