WEEK 17 and 18

Wi-Fi is primarily used to provide which type of connection?

• Wired LAN

• Wireless LAN

• Satellite Internet

• Optical Fiber

The Wi-Fi Alliance defines Wi-Fi as products based on which IEEE standard?

• 802.3

• 802.11

• 802.15

• 802.16

What is the main device that broadcasts a wireless signal?

• Router

• Modem

• Access Point

• Switch

The term “Wi-Fi” was derived from which marketing idea?

• Wireless Fidelity

• High Fidelity

• Radio Fidelity

• Frequency Finder

Which organization owns the “Wi-Fi Certified” trademark?

• IEEE

• IETF

• Wi-Fi Alliance

• FCC

Which statement best describes how Wi-Fi works?

• It uses fiber-optic light signals.

• It uses radio frequencies to transmit data wirelessly.

• It transmits data using infrared beams.

• It relies only on wired connections.

Which component is essential for a computer to connect to a Wi-Fi network?

• HDMI port

• Wireless network adapter

• Ethernet cable

• USB drive

A school installs Wi-Fi routers for students. What should the admin implement to secure the network?

• Turn off encryption

• Use WEP/WPA

• Disable passwords

• Use open access

Which device subdivides mobile network areas into smaller units?

• Access Point

• Base Station

• Router

• Repeater

What technique does a cellular system use to separate users by space?

• Time Division Multiplexing

• Frequency Division Multiplexing

• Space Division Multiplexing

• Code Division Multiplexing