BHN2025 Day 1

Who invented the telephone and made the first intelligible human speech transmission?

• Samuel Morse

• Guglielmo Marconi

• Alexander Graham Bell

• Nikola Tesla

What does WPAN stand for in wireless communication?

• Wireless Public Access Network

• Wideband Personal Area Network

• Wireless Personal Area Network

• Wired Private Area Network

What was the first deployed 1G cellular system in the United States?

• GSM

• AMPS

• CDMA2000

• WCDMA

Which of the following is a key feature of 5G technology?

• High latency and low bandwidth

• Ultra-reliable low-latency communication (URLLC)

• Circuit-switched voice communication

• Limited connection density

What does LTE stand for in mobile networks?

• Long-Term Evolution

• Local Telecommunication Exchange

• Limited Transmission Equipment

• Line-Terminal Efficiency

What was the primary enhancement of 2G networks over 1G?

• Introduction of digital transmission

• Support for video calls

• Internet browsing capabilities

• Ultra-high-speed broadband

What is the primary role of a Mobile Switching Center (MSC) in a cellular network?

• Encrypting user data

• Managing call routing and handovers

• Assigning IP addresses

• Controlling base station transmission power

What type of network does Bluetooth operate within?

• Wireless Local Area Network (WLAN)

• Wireless Personal Area Network (WPAN)

• Wireless Metropolitan Area Network (WMAN)

• Wireless Wide Area Network (WWAN)

What is the frequency band used by Wi-Fi 6 (802.11ax)?

• 2.4 GHz and 5 GHz

• 1.8 GHz and 2.5 GHz

• 3.5 GHz and 5 GHz

• 900 MHz and 2.4 GHz

What is the major limitation of early 1G cellular systems?

• High-speed data transmission

• Digital encryption for secure calls

• Limited coverage and analog voice transmission

• Support for multimedia applications