Wireless Networks

Question 1

What network device enables the creation of a WLAN (Wireless Local Area Network) and the connection to it? What is the purpose of the WLAN?

Answer 1

• Wireless Access Point.
• To connect a wireless network to a wired one.

Question 2

How do devices such as computers connect to the WIFI Network (WLAN)?

Answer 2

• Wireless access points have transmitters, antennas and receivers to create, radiate and connect devices via radio signals.
• Computers able to connect via their WIFI chips or Wireless NIC on the motherboard.

Question 3

What are the two different WIFI bands? And what are the differences between them?

Answer 3

• 2.4 GHz and 5 GHz.
• 2.4 GHz frequency networks are slower but are able to provide better coverage.
• 5 GHz frequency networks are faster but are not able to provide as good coverage.

Question 4

What are the 5 Wifi Standards known? And what are their respective bands?

Answer 4

• 802.11a = 5GHz
• 802.11b = 2.4 GHz
• 802.11g = 2.4 GHz
• 802.11n = 2.4 or 5 GHz
• 802.11ac = 5.0 GHz