Wireless

Question 1

What is 802.11a?

Answer 1

• 54 Mbps bandwidth
• 20 - 30 Mbps throughput
• 35 meters indoor/ 100 meters outdoors

Question 2

What is 802.11b?

Answer 2

• 11 Mbps bandwidth
• 5-7 Mbps throughput
• 35 meters indoor / 100 meters outdoors

Question 3

What is 802.11g?

Answer 3

• 54 Mbps Bandwidth
• 30-32 Mbps Throughput
• 35 meters indoor / 100 meters outdoor

Question 4

What is 802.11n?

Answer 4

• 600 Mbps Bandwidth
• 140-150 Mbps throughput
• 70 meters indoors/ 250 meters outdoors
• WIFI-4 (MIMO)

Question 5

What is 802.11ac?

Answer 5

• up to 2 Gbps Bandwidth
• 100-500 Mbps Throughput
• 50 meters indoor / 100 meters outdoors
• WIFI-5 (MU-MIMO)

Question 6

What is 802.11ax?

Answer 6

• 10 Gbps Bandwidth
• 600-900 Mbps Throughput
• 35 meters indoor / 100 meters outdoors
• WIFI-6

Question 7

WIFI-Security Types, what are they?

Answer 7

• Open - No Security or Protection
• WEP - Vector IV
• WPA - TKIP & RC4
• WPA2 - CCMP for integrity & AES for encryption
• WPA3 - SAE & Dragonfly key
• WPS - Push-button configuration

Question 8

What is BSS?

Answer 8

• Basic Service Set
• Wireless network using single WAP.

Question 9

What is ESS?

Answer 9

• Extended Service Set
• Connect to more than one WAP.
• Enable Roaming

Question 10

What is IBSS?

Answer 10

• Independent Basic Service Set
• Client devices communicate to each other without WAP.

Question 11

What is WPS?

Answer 11

• WiFi Protected Setup
• Simplifies secure network setup using a PIN or push button
• Should be disabled for security

Question 12

What channel to avoid WiFi overlap?

Answer 12

1, 6, 11

Question 13

What is band steering?

Answer 13

Enabling band steering allows the router to automatically allocate devices between the 2.4GHz and 5GHz bands based on each device’s signal strength, capabilities, and current network congestion, optimizing performance for all devices.