IT and Technology Wireless & Mobile Technologies

Question 1

Which IEEE 802.11 standard is officially branded as Wi-Fi 6 by the Wi-Fi Alliance?

Accepted Answer

802.11ax

Answer

802.11n

Answer

802.11ac

Answer

802.11ad

Question 2

What frequency band does Bluetooth Low Energy (BLE) operate on?

Accepted Answer

2.4 GHz

Answer

900 MHz

Answer

5 GHz

Answer

60 GHz

Question 3

What does SSID stand for in wireless networking?

Accepted Answer

Service Set Identifier

Answer

Secure Signal Identifier

Answer

System Security ID

Answer

Subnet Segment Identifier

Question 4

Which wireless security protocol uses TKIP encryption and was designed as a transitional replacement for WEP?

Accepted Answer

WPA

Answer

WPA2

Answer

WPA3

Answer

802.1X

Question 5

What does MIMO technology provide in wireless networking?

Accepted Answer

Increased throughput by using multiple antennas simultaneously

Answer

End-to-end encryption of wireless data

Answer

Reduced wireless interference through frequency separation

Answer

Client authentication via digital certificates

Question 6

Which generation of cellular networks first introduced mobile broadband Internet access for smartphones?

Accepted Answer

3G (UMTS/HSPA)

Answer

2G (GSM)

Answer

4G (LTE)

Answer

5G (NR)

Question 7

Which IEEE 802.11 standard, also known as WiGig, operates in the 60 GHz band to achieve multi-gigabit speeds over very short distances?

Accepted Answer

802.11ad

Answer

802.11ac

Answer

802.11ax

Answer

802.11n