Wireless Networking 30 MCQs, Wi-Fi Standards and Security

Test your knowledge of wireless networking with this in-depth MCQ quiz. Covering Wi-Fi standards, protocols and security measures, this exam is ideal for networking enthusiasts and IT professionals. Boost your expertise today!

📌 Important Exam Instructions

  • ✅ This is a free online test. Do not pay anyone claiming otherwise.
  • 📋 Total Questions: 30
  • ⏳ Time Limit: 30 minutes
  • 📝 Marking Scheme: +1 for each correct answer. No negative marking.
  • ⚠️ Avoid page refresh or closing the browser tab to prevent loss of test data.
  • 🔍 Carefully read all questions before submitting your answers.
  • 🎯 Best of Luck! Stay focused and do your best. 🚀

Time Left (min): 00:00

1. What does the acronym Wi-Fi stand for?

  • Wireless Fidelity
  • Wired Free Internet
  • Wide Frequency Internet
  • Wireless Freedom

2. Which IEEE standard defines Wi-Fi technology?

  • IEEE 802.3
  • IEEE 802.11
  • IEEE 802.15
  • IEEE 802.16

3. What frequency bands are commonly used in Wi-Fi networks?

  • 900 MHz and 2.4 GHz
  • 2.4 GHz and 5 GHz
  • 5 GHz and 60 GHz
  • 1 GHz and 2 GHz

4. Which Wi-Fi standard supports speeds up to 54 Mbps?

  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n

5. What is the maximum theoretical speed of 802.11ac Wi-Fi?

  • 600 Mbps
  • 1.3 Gbps
  • 3.2 Gbps
  • 7 Gbps

6. WPA stands for:

  • Wireless Protected Access
  • Wi-Fi Protected Access
  • Wireless Private Authentication
  • Wi-Fi Private Access

7. Which encryption method is considered the most secure for modern Wi-Fi networks?

  • WEP
  • WPA
  • WPA2
  • WPA3

8. What is the main purpose of a Service Set Identifier (SSID) in Wi-Fi networks?

  • To encrypt data
  • To identify a Wi-Fi network
  • To authenticate users
  • To manage bandwidth

9. Which Wi-Fi frequency band offers better range but is more prone to interference?

  • 2.4 GHz
  • 5 GHz
  • 60 GHz
  • 1 GHz

10. What is the purpose of a Wi-Fi hotspot?

  • To manage network security
  • To provide wireless internet access
  • To increase signal range
  • To connect multiple devices using cables

11. Which Wi-Fi standard introduced OFDMA technology?

  • 802.11g
  • 802.11n
  • 802.11ac
  • 802.11ax

12. Which security protocol replaced WEP due to its vulnerabilities?

  • WPA
  • WPA2
  • WPA3
  • TKIP

13. Which of the following is a feature of Wi-Fi 6 (802.11ax)?

  • Single-user MIMO
  • Increased latency
  • MU-MIMO support
  • Limited device capacity

14. What is a mesh Wi-Fi system designed to do?

  • Increase internet speed
  • Extend wireless coverage seamlessly
  • Replace traditional routers
  • Provide higher security

15. Which of the following is NOT a Wi-Fi security threat?

  • Packet sniffing
  • Phishing
  • Rogue access points
  • Denial-of-Service (DoS) attacks

16. What technology does Wi-Fi use to avoid collisions during data transmission?

  • CSMA/CD
  • CSMA/CA
  • Token Ring
  • Time Division Multiplexing

17. Which Wi-Fi standard operates exclusively in the 60 GHz band?

  • 802.11a
  • 802.11ac
  • 802.11ad
  • 802.11ax

18. What is the default port used by WPA2-Enterprise for authentication?

  • 80
  • 443
  • 1812
  • 8080

19. Which of the following is a Wi-Fi vulnerability associated with open networks?

  • DNS hijacking
  • Data interception
  • IP spoofing
  • Packet duplication

20. What is the typical range of a standard indoor Wi-Fi network on 2.4 GHz?

  • 20-30 meters
  • 50-70 meters
  • 100-150 meters
  • 200-300 meters

21. Which technology in Wi-Fi 6 reduces power consumption for connected devices?

  • Beamforming
  • OFDMA
  • Target Wake Time (TWT)
  • MU-MIMO

22. What is the maximum theoretical speed of 802.11n?

  • 150 Mbps
  • 300 Mbps
  • 600 Mbps
  • 1.2 Gbps

23. What does "SSID hiding" do in a Wi-Fi network?

  • Prevent unauthorized access
  • Make the network invisible to devices
  • Encrypt transmitted data
  • Improve connection speeds

24. What type of Wi-Fi antenna provides coverage in all directions?

  • Directional
  • Omnidirectional
  • Parabolic
  • Yagi

25. Which of the following is an advantage of Wi-Fi 6 over previous standards?

  • Reduced device capacity
  • Higher interference
  • Faster speeds and lower latency
  • Limited range

26. WPA3 introduces which feature for improved security?

  • TKIP encryption
  • SAE (Simultaneous Authentication of Equals)
  • Pre-shared key encryption
  • WPS support

27. What is the primary function of Wi-Fi Direct?

  • Connect devices without a traditional network
  • Increase internet speed
  • Extend wireless range
  • Encrypt data for security

28. Which protocol is used to manage handoffs between Wi-Fi access points?

  • DHCP
  • ICMP
  • 802.11r
  • ARP

29. What does the term "bandwidth throttling" mean in Wi-Fi networks?

  • Increasing network speed
  • Limiting data usage on a connection
  • Preventing unauthorized access
  • Boosting signal strength

30. Which frequency band is less congested and offers faster speeds in Wi-Fi networks?

  • 2.4 GHz
  • 5 GHz
  • 60 GHz
  • 900 MHz

Explore

IT Fundamentals

Professional Development

Psychology Insights