Question 1

Which wireless standard uses the 5 GHz frequency band and supports a maximum data rate of up to 6.9 Gbps using Orthogonal Frequency Division Multiplexing (OFDM) modulation?

Options :

A : 802.11a

B : 802.11ac

C : 802.11ax

D : 802.11ad

Answer: D

Question 2

Which wireless technology uses low-power signals to communicate between devices and is often used in smart home applications?

Options :

A : Wi-Fi

B : Zigbee

C : Bluetooth

D : Infrared (IR)

Answer: B

Question 3

Which wireless technology uses the 60 GHz frequency band and supports a maximum data rate of up to 7 Gbps?

Options :

A : 802.11a

B : 802.11ad

C : 802.11g

D : 802.11n

Answer: B

Question 4

Which wireless antenna type is best suited for providing coverage in a specific area with minimal interference from other sources?

Options :

A : Omnidirectional

B : Directional

C : Yagi

D : Parabolic

Answer: B

Question 5

Which wireless standard supports a maximum data rate of up to 54 Mbps using the 2.4 GHz frequency band and uses Direct Sequence Spread Spectrum (DSSS) modulation?

Options :

A : 802.11a

B : 802.11b

C : 802.11g

D : 802.11n

Answer: B