Wireless Communication Quiz

In case if you want to communicate within a range of 2m which type of Wireless Network you prefer

• WBAN

• WLAN

• WMAN

• WWAN

Which type of communication is more secured

• Wired

• Wireless

• both

Which of the following is not a wireless communication standard?

• Bluetooth

• Ethernet

• Wi-Fi

• LTE

Which of the following is not a common interference source in wireless communications?

• Microwave ovens

• Bluetooth devices

• Fiber-optic cables

• Cordless phones

At a receiver, the captured power Pr of an antenna is given by the equation

• Pr = Pt/(4πd/λ)2

• Pr = Pt/(4π/λ)2

• Pr = Pt/(4πd/λ)2

• none of the above

Which technology allows a device to maintain a connection as it moves from one access point to another within the same network?

• Roaming

• Multiplexing

• Encryption

• Modulation

Which technology is used for short-range communication between devices in a wireless personal area network (WPAN)?

• Bluetooth

• Wi-Fi

• LTE

• Satellite communication

Which technology is used to extend the coverage of a cellular network?

• Repeater

• Modem

• Router

• Gateway

Path loss between the transmitter and receiver is given by

• Lp = (4πd/λ)2

• Lp = (4π/λ)2

• Lp = (4d/λ)2

• Lp = (4/λ)2

Signal-to-noise ratio (SNR) is given by

• Pn/Pr

• Pr/Pn

• Both (a) and (b)

• None of the above.