Wireless communication is the transfer of information over a distance without using:
A) Electrical signals
B) Optical fibers
C) Wired connections
D) Satellites
Which of the following is an example of wireless communication?
A) Ethernet cable connection
B) Fiber-optic internet
C) Wi-Fi network
D) USB data transfer
Which technology is commonly used for short-range wireless communication?
A) Bluetooth
B) 5G
C) Satellite
D) Optical fiber
Which frequency band is used for Wi-Fi communication?
A) 1 GHz
B) 2.4 GHz and 5 GHz
C) 100 MHz
D) 10 GHz
Which device enables wireless communication in a local network?
A) Router
B) Switch
C) Modem
D) Hub
The latest generation of mobile communication is:
A) 3G
B) 4G
C) 5G
D) 6G
Which of the following uses radio waves for communication?
A) Fiber-optic cables
B) Bluetooth devices
C) Wired LAN
D) USB storage
Which wireless communication technology is mainly used for remote car keys?
A) Wi-Fi
B) Infrared
C) RFID
D) Bluetooth
What does LTE stand for in wireless communication?
A) Low Transmission Energy
B) Long-Term Evolution
C) Local Telecom Exchange
D) Light Transmission Engineering
Which technology is used in satellite TV broadcasting?
A) Infrared
B) Bluetooth
C) Microwave
D) Fiber optics
What is the main advantage of 5G over 4G?
A) Lower data speed
B) Higher latency
C) Faster data transmission
D) More wired connections
Which of the following is NOT a wireless communication application?
A) Mobile phones
B) Television remote
C) Fiber-optic broadband
D) GPS navigation
Which type of waves are used in wireless communication?
A) Sound waves
B) Radio waves
C) Water waves
D) Seismic waves
Which of the following is a wireless communication standard?
A) Ethernet
B) USB
C) Wi-Fi
D) HDMI
Which of these technologies is used in smart home automation?
A) 5G
B) Zigbee
C) DSL
D) Coaxial cable
Which is the fastest wireless communication technology?
A) Bluetooth
B) 3G
C) Wi-Fi 6
D) 2G
NFC (Near Field Communication) is commonly used for:
A) Long-distance calls
B) Contactless payments
C) Satellite internet
D) TV signals
Which wireless technology is best for IoT (Internet of Things) applications?
A) Bluetooth
B) 5G
C) LoRaWAN
D) 2G
Which technology enables wireless charging of smartphones?
A) NFC
B) Inductive charging
C) Bluetooth
D) Wi-Fi
Which of the following is a disadvantage of wireless communication?
A) Less mobility
B) More interference
C) Higher speed than wired communication
D) More stable connection
Which communication technology is used in drones?
A) Optical fiber
B) Bluetooth
C) Radio frequency
D) Coaxial cable
Which type of signal does Wi-Fi use?
A) Analog
B) Digital
C) Hybrid
D) None of the above
Which of these is NOT a wireless security protocol?
A) WEP
B) WPA2
C) HTTPS
D) WPA3
Which wireless technology is used in modern hearing aids?
A) Bluetooth
B) Infrared
C) 5G
D) Coaxial cable
Which satellite navigation system is used globally?
A) GPS
B) Wi-Fi
C) NFC
D) RFID
What does WiMAX stand for?
A) Wireless Maximum Speed
B) Worldwide Interoperability for Microwave Access
C) Wireless Internet Modulation and eXchange
D) Wide Internet Media Access eXtension
Which organization defines global mobile communication standards?
A) IEEE
B) ITU
C) NASA
D) GSM
Which wireless technology is most commonly used in smartwatches?
A) Wi-Fi
B) NFC
C) Bluetooth
D) Ethernet
What is the main advantage of fiber-optic communication over wireless communication?
A) Higher speed and bandwidth
B) More mobility
C) No need for cables
D) Less reliability
Which of these applications relies on wireless communication?
A) Autonomous vehicles
B) Landline phones
C) Printed newspapers
D) Wired LAN networks
