Selected MCQ

Current Question
What is 6G expected to improve over 5G technology?
  • A. Slower speeds for energy savings
  • B. Terahertz frequency bands for higher data rates
  • C. Wider coverage at the expense of latency
  • D. Fewer connected devices
Correct Answer: B
Explanation:
6G research focuses on using higher (terahertz) frequencies, aiming for ultrafast data rates and even lower latency.
Related Question 1
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 2
Which technology helps secure communications using quantum mechanics?
  • A. Quantum key distribution (QKD)
  • B. Standard VPN
  • C. Hashing
  • D. WPA2
Correct Answer: A
Explanation:
QKD uses quantum particles to securely share encryption keys, with eavesdropping detectable.
Related Question 3
Which software development model emphasizes constant feedback and iterative improvements?
  • A. Waterfall
  • B. Spiral
  • C. Agile
  • D. V-Model
Correct Answer: C
Explanation:
Agile methodology uses iterative development with frequent feedback loops.
Related Question 4
Which of these is a cloud-native database technology?
  • A. MongoDB Atlas
  • B. Oracle 12c on-prem
  • C. SQLite mobile
  • D. Microsoft Access
Correct Answer: A
Explanation:
MongoDB Atlas is a managed cloud database service (cloud-native).
Related Question 5
What is the key feature of blockchain technology?
  • A. Centralized control
  • B. Tamper-proof decentralized ledger
  • C. Temporary data storage
  • D. Unlimited data throughput
Correct Answer: B
Explanation:
Blockchain uses a distributed ledger with cryptographic links, making it tamper-evident without a central authority.