Wireless Networking

Question 1

What is the purpose of WiFi

Answer 1

A Wireless Local Area Network where multiple devices can be connected to the network wirelessly

Question 2

What is needed for a WiFi network and what do they do?

Answer 2

• Wireless Access Point (WAP): Allows WiFi devices to connect to a wired network
• Wireless Network adapter: Allows a device to connect to a LAN, connecting to the internet and other computers

Question 3

What is the purpose of a Service Set Identifier (SSID)?

Answer 3

Unique informal name that identifies a wireless network. It can be hidden and often requires a password.

Question 4

How are wireless networks secured?

Answer 4

• Hiding SSID broadcast
• Have a whitelist of permitted MAC addresses
• Use WiFi Protected Access (2) (WPA(2)) codes to encrypt data transmissions with a 128 bit key being generated for each packet sent