Wireless Network Standards

Which of the following wireless networking protocols operates on the 5GHz band and provides data rates in excess of 750Mbps?

• 802.11a

• 802.11ac

• 802.11b

• 802.11g

• 802.11n

Ann, a user, reports that after setting up a new WAP in her kitchen she is experiencing intermittent connectivity issues. Which of the following should a technician check FIRST?

• Channels

• Frequency

• Antenna power level

• SSID

Which of the following channels would commonly be used on an 802.11 wireless network?

• 6

• 17

• 802

• 8080

There are 20 laptops in a room and they all need to connect wirelesly to the network. Which of the following would be the BEST device to use?

• Switch

• Router

• Access Point

• Hub

Answer explanation

The best way to connect a group of laptps together wirelessly is with an Access Point

Recently a company updated their network infrastructure. A user reports that a laptop is experiencing slower network speeds since the update. Which of the following would the technician replace, rather than purchase a new device?

• Wireless NIC

• CPU

• RAM

• Hard drive

Answer explanation

Always check the simplest thing first

Which of the following 802.11 standards has a MAXIMUM bandwidth throughput of 54Mbps and uses 2.4GHz frequency?

• A

• N

• B

• G

Match the following

• 2.4 GHz 54 Mbps

• 802.11n

• 2.4 GHz 11 Mbps

• 802.11g

• 5 GHz 7 Gbps

• 802.11b

• 5GHz 54 Mbps

• 802.11ac (WiFi 5)

• 2.4/ 5 GHz 600 Mbps

• 802.11a

You work at a large department store selling computer products. Iwina walks in and wants to buy a wireless router. She explains that the media streaming device she ordered online supports a transmission speed of up to 200 Mbps. What type of router should you recommend?

• Wi-Fi 802.11b

• Wi-Fi 802.11a

• Wi-Fi 802.11g

• Wi-Fi 802.11n

WiFi 6 can reach speeds of up to ​ (a)   Gbps and operates at the ​ (b)   GHz range.

• 9.6
• 5
• 6.9
• 2.4

What are the three non-overlapping channels in the 2.4 GHz WLAN?