Selected MCQ

Current Question
Which network tech supports many IoT devices over long ranges?
  • A. Wi-Fi 6
  • B. LoRaWAN
  • C. Bluetooth 5.0
  • D. Ethernet
Correct Answer: B
Explanation:
LoRaWAN is designed for long-range, low-power IoT sensor communications.
Related Question 1
What allows dynamic network configuration in emerging tech?
  • A. Hardware-only management
  • B. Software Defined Networking (SDN)
  • C. Analog cables
  • D. Static routing only
Correct Answer: B
Explanation:
SDN separates control and data planes, enabling programmable network configurations.
Related Question 2
Which technology is used for secure, short-range wireless communication in IoT devices?
  • A. Wi-Fi
  • B. Bluetooth Low Energy (BLE)
  • C. Ethernet
  • D. 4G LTE
Correct Answer: B
Explanation:
Bluetooth Low Energy is a wireless protocol for low-power short-range communication.
Related Question 3
What type of network topology features a single central point with all devices connected to it?
  • A. Bus topology
  • B. Star topology
  • C. Ring topology
  • D. Mesh topology
Correct Answer: B
Explanation:
A star topology connects all nodes to a central hub or switch.
Related Question 4
Which of these is NOT a common technique for securing wireless networks?
  • A. WPA3 encryption
  • B. SSID broadcast
  • C. MAC address filtering
  • D. Disabling SSID broadcast
Correct Answer: B
Explanation:
Broadcasting the SSID is not a security measure; enabling WPA3 or hiding the SSID (though weak) are security techniques.
Related Question 5
Which emerging tech generates realistic human images and voices via deep learning?
  • A. Blockchain
  • B. Generative AI (e.g., GANs)
  • C. Quantum computing
  • D. Fiber optics
Correct Answer: B
Explanation:
Generative AI models such as GANs can generate realistic synthetic images, audio, and text.