Intro: Mobile Device Wireless and Cellular Connectivity

Which Wi-Fi security protocol is considered the weakest due to its easily cracked encryption?

• WPA3

• WPA

• WPA2

• WEP

A school network requires each user to log in with a unique username and password through a RADIUS server. Which authentication method is this?

• PSK authentication

• Open authentication

• WEP shared key

• Enterprise (802.1X)

Two devices complete Bluetooth pairing automatically without a PIN or user confirmation. This pairing method is called

• WPS pairing

• Just Works

• PIN-based pairing

• NFC tap-to-pair

A student shares their phone's cellular data with a laptop by plugging in a USB cable. This connection method is called

• USB tethering

• Wi-Fi tethering

• Mobile hotspot broadcasting

• Bluetooth tethering

Which VPN protocol is considered the least secure and is largely deprecated on modern mobile devices?

• IPSec

• L2TP

• SSL/TLS

• PPTP

A user needs maximum Wi-Fi range but can tolerate slower speeds and some interference. Which frequency band is the best choice?

• 6 GHz

• 2.4 GHz

• 5 GHz

• 900 MHz

The 802.11ac Wi-Fi standard operates on which frequency band?

• 5 GHz only

• 2.4 GHz only

• 6 GHz only

• Both 2.4 GHz and 6 GHz

Which 802.11 standard introduced support for the 6 GHz band and is also known as Wi-Fi 6E?

• 802.11ac

• 802.11n

• 802.11ax

• 802.11g