Wireless Networking 30 MCQs, Wi-Fi Standards and Security
Questions: 30
Questions
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1. What does the acronym Wi-Fi stand for?
- a) Wireless Fidelity
- b) Wired Free Internet
- c) Wide Frequency Internet
- d) Wireless Freedom
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2. Which IEEE standard defines Wi-Fi technology?
- a) IEEE 802.3
- b) IEEE 802.11
- c) IEEE 802.15
- d) IEEE 802.16
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3. What frequency bands are commonly used in Wi-Fi networks?
- a) 900 MHz and 2.4 GHz
- b) 2.4 GHz and 5 GHz
- c) 5 GHz and 60 GHz
- d) 1 GHz and 2 GHz
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4. Which Wi-Fi standard supports speeds up to 54 Mbps?
- a) 802.11a
- b) 802.11b
- c) 802.11g
- d) 802.11n
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5. What is the maximum theoretical speed of 802.11ac Wi-Fi?
- a) 600 Mbps
- b) 1.3 Gbps
- c) 3.2 Gbps
- d) 7 Gbps
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6. WPA stands for:
- a) Wireless Protected Access
- b) Wi-Fi Protected Access
- c) Wireless Private Authentication
- d) Wi-Fi Private Access
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7. Which encryption method is considered the most secure for modern Wi-Fi networks?
- a) WEP
- b) WPA
- c) WPA2
- d) WPA3
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8. What is the main purpose of a Service Set Identifier (SSID) in Wi-Fi networks?
- a) To encrypt data
- b) To identify a Wi-Fi network
- c) To authenticate users
- d) To manage bandwidth
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9. Which Wi-Fi frequency band offers better range but is more prone to interference?
- a) 2.4 GHz
- b) 5 GHz
- c) 60 GHz
- d) 1 GHz
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10. What is the purpose of a Wi-Fi hotspot?
- a) To manage network security
- b) To provide wireless internet access
- c) To increase signal range
- d) To connect multiple devices using cables
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11. Which Wi-Fi standard introduced OFDMA technology?
- a) 802.11g
- b) 802.11n
- c) 802.11ac
- d) 802.11ax
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12. Which security protocol replaced WEP due to its vulnerabilities?
- a) WPA
- b) WPA2
- c) WPA3
- d) TKIP
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13. Which of the following is a feature of Wi-Fi 6 (802.11ax)?
- a) Single-user MIMO
- b) Increased latency
- c) MU-MIMO support
- d) Limited device capacity
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14. What is a mesh Wi-Fi system designed to do?
- a) Increase internet speed
- b) Extend wireless coverage seamlessly
- c) Replace traditional routers
- d) Provide higher security
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15. Which of the following is NOT a Wi-Fi security threat?
- a) Packet sniffing
- b) Phishing
- c) Rogue access points
- d) Denial-of-Service (DoS) attacks
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16. What technology does Wi-Fi use to avoid collisions during data transmission?
- a) CSMA/CD
- b) CSMA/CA
- c) Token Ring
- d) Time Division Multiplexing
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17. Which Wi-Fi standard operates exclusively in the 60 GHz band?
- a) 802.11a
- b) 802.11ac
- c) 802.11ad
- d) 802.11ax
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18. What is the default port used by WPA2-Enterprise for authentication?
- a) 80
- b) 443
- c) 1812
- d) 8080
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19. Which of the following is a Wi-Fi vulnerability associated with open networks?
- a) DNS hijacking
- b) Data interception
- c) IP spoofing
- d) Packet duplication
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20. What is the typical range of a standard indoor Wi-Fi network on 2.4 GHz?
- a) 20-30 meters
- b) 50-70 meters
- c) 100-150 meters
- d) 200-300 meters
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21. Which technology in Wi-Fi 6 reduces power consumption for connected devices?
- a) Beamforming
- b) OFDMA
- c) Target Wake Time (TWT)
- d) MU-MIMO
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22. What is the maximum theoretical speed of 802.11n?
- a) 150 Mbps
- b) 300 Mbps
- c) 600 Mbps
- d) 1.2 Gbps
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23. What does "SSID hiding" do in a Wi-Fi network?
- a) Prevent unauthorized access
- b) Make the network invisible to devices
- c) Encrypt transmitted data
- d) Improve connection speeds
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24. What type of Wi-Fi antenna provides coverage in all directions?
- a) Directional
- b) Omnidirectional
- c) Parabolic
- d) Yagi
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25. Which of the following is an advantage of Wi-Fi 6 over previous standards?
- a) Reduced device capacity
- b) Higher interference
- c) Faster speeds and lower latency
- d) Limited range
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26. WPA3 introduces which feature for improved security?
- a) TKIP encryption
- b) SAE (Simultaneous Authentication of Equals)
- c) Pre-shared key encryption
- d) WPS support
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27. What is the primary function of Wi-Fi Direct?
- a) Connect devices without a traditional network
- b) Increase internet speed
- c) Extend wireless range
- d) Encrypt data for security
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28. Which protocol is used to manage handoffs between Wi-Fi access points?
- a) DHCP
- b) ICMP
- c) 802.11r
- d) ARP
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29. What does the term "bandwidth throttling" mean in Wi-Fi networks?
- a) Increasing network speed
- b) Limiting data usage on a connection
- c) Preventing unauthorized access
- d) Boosting signal strength
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30. Which frequency band is less congested and offers faster speeds in Wi-Fi networks?
- a) 2.4 GHz
- b) 5 GHz
- c) 60 GHz
- d) 900 MHz
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