Wireless LAN Technology Concepts

This video tutorial by Tech G covers the installation, configuration, and security of basic wireless networks. It explains Wi-Fi standards, types of wireless hardware, and the differences between older and newer standards. The tutorial also discusses advanced features like MU-MIMO and beamforming, and provides best practices for securing Wi-Fi networks. It concludes with a review and learning check to reinforce the key concepts.

What does IEEE stand for in the context of wireless LAN technology?

• Institute of Engineering and Electrical Experts

• Institute of Electrical and Electronics Engineers

• International Electrical and Electronics Engineers

• Internet Engineering and Electronics Experts

Which frequency bands are used by Wi-Fi devices?

• 3.6 GHz and 5 GHz

• 2.4 GHz and 4.9 GHz

• 2.4 GHz and 5 GHz

• 1.2 GHz and 2.4 GHz

Which type of wireless adapter is typically used for desktop computers?

• Internal adapter

• USB wireless adapter

• PCIe Wi-Fi card

• Bluetooth adapter

What is the maximum speed of the 802.11b standard?

• 288 Mbps

• 54 Mbps

• 11 Mbps

• 600 Mbps

What is the benefit of using mixed-mode in wireless networks?

• It reduces interference

• It enables older and newer devices to run on the same network

• It increases the range of the network

• It allows for faster speeds

Which standard supports up to 8 data streams and only 5 GHz frequencies?

• 802.11b

• 802.11g

• 802.11n

• 802.11ac

What is attenuation in the context of wireless networks?

• The increase in signal strength

• The loss of signal strength

• The process of encrypting data

• The interference caused by other devices

What is the purpose of changing the default SSID of a wireless network?

• To make the network more visible

• To prevent unauthorized access by hiding the network name

• To improve the range of the network

• To increase the speed of the network

Which encryption method is considered the most secure for wireless networks?

• Open

• WPA2

• WPA

• WEP

What is a captive portal?

• A type of wireless adapter

• A method to hide the SSID

• A webpage that requires user authentication before accessing the network

• A type of encryption