What is the primary advantage of wireless communication over wired communication?

• Higher installation cost

• Increased mobility

• More physical infrastructure required

• Limited reliability

Who is credited with demonstrating the first radio transmission?

• Alexander Graham Bell

• Samuel Morse

• Guglielmo Marconi

• Nikola Tesla

Which of the following is NOT a disadvantage of wireless communication?

• Interference

• Security risks

• High cost of cable installation

• Health concerns

What are the three main elements of a wireless communication system?

• Sender, receiver, repeater

• Transmitter, channel, receiver

• Modem, router, switch

• Antenna, signal, frequency

Which wireless communication category has the longest range?

• Wireless Local Area Network (WLAN)

• Wireless Personal Area Network (WPAN)

• Wireless Wide Area Network (WWAN)

• Wireless Metropolitan Area Network (WMAN)

What is the role of telecommunication regulatory agencies?

• Manufacturing communication devices

• Allocating and controlling the use of the radio spectrum

• Providing internet services

• Developing new wireless technologies

Which organization regulates commercial radio spectrum usage in the Malaysia?

• ITU

• MCMC

• FCC

• IEEE

What does the frequency spectrum represent?

• The height of electromagnetic waves

• The range of frequency bands

• The number of bits in a signal

• The transmission speed of data

Why is standardization important in wireless communication?

• To reduce the cost of mobile phones

• To ensure different systems can interact with each other

• To limit the number of communication networks

• To slow down the development of new technologies

Which of the following is NOT a major standardization body for wireless communications?

• IEEE

• ETSI

• ITU-T

• NASA