Wireless Networks Quiz A+-2.3

Which IEEE committee is responsible for the standards of wireless networks?

• IEEE 802

• IEEE 802.11

• IEEE LAN MAN

• IEEE Wi-Fi Alliance

Which wireless standard operates exclusively in the five gigahertz frequency range?

• 802.11a

• 802.11b

• 802.11g

• 802.11n

Which wireless standard operates at a maximum speed of 11 megabits per second?

• 802.11a

• 802.11b

• 802.11g

• 802.11n

Which wireless standard introduced the concept of Multiple Input Multiple Output (MIMO)?

• 802.11a

• 802.11b

• 802.11g

• 802.11n

Which wireless standard operates exclusively in the 5 gigahertz range and supports up to 160 megahertz of channel bandwidth?

• 802.11a

• 802.11b

• 802.11g

• 802.11ac

Which wireless standard introduced the use of orthogonal frequency division multiple access (OFDMA)?

• 802.11a

• 802.11b

• 802.11g

• 802.11ax

Which wireless standard is also known as Wi-Fi 5?

• 802.11a

• 802.11b

• 802.11g

• 802.11ac

Which wireless technology uses Radio Frequency Identification (RFID) for access control and inventory tracking?

• Bluetooth

• NFC

• Wi-Fi

• RFID

What is the purpose of Near Field Communication (NFC) in mobile devices?

• Access control

• Inventory tracking

• Wireless charging

• Two-way communication

Which wireless standard operates at both 5 gigahertz and 2.4 gigahertz frequencies?

• 802.11a

• 802.11b

• 802.11g

• 802.11ax