Basic Networking and Wireless Networking MCQs Online Test

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  • Time Limit: 30 minutes
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1. What is the primary purpose of a switch in a network?

  • To route data packets between different networks
  • To assign IP addresses to devices
  • To filter and forward data based on MAC addresses
  • To amplify network signals

2. Which of the following devices operates at the Data Link layer of the OSI model?

  • Router
  • Hub
  • Switch
  • Bridge

3. What does Wi-Fi stand for?

  • Wireless Fidelity
  • Wireless Fiber
  • Wide-Frequency Internet
  • Wireless Fast Internet

4. Which protocol is used for establishing and maintaining wireless network connections?

  • FTP
  • HTTP
  • IEEE 802.11
  • SNMP

5. What is the maximum range of Wi-Fi networks?

  • 10 meters
  • 100 meters
  • 1000 meters
  • 50 meters

6. Which frequency band is commonly used by Wi-Fi networks?

  • 1 GHz
  • 5 GHz
  • 50 GHz
  • 100 GHz

7. What is the name of the protocol used for assigning IP addresses automatically on a network?

  • DNS
  • DHCP
  • FTP
  • SNMP

8. What type of wireless network topology uses a central access point to connect multiple devices?

  • Ad-hoc
  • Star
  • Mesh
  • Ring

9. Which of the following is a characteristic of the IEEE 802.11n wireless standard?

  • Operates only on the 2.4 GHz band
  • Supports data rates up to 600 Mbps
  • Operates only on the 5 GHz band
  • Uses infrared technology

10. What is the primary function of an access point in a wireless network?

  • To amplify the signal strength of the network
  • To allow devices to connect to the network wirelessly
  • To assign IP addresses to wireless devices
  • To manage network security

11. What is a MAC address used for in a network?

  • To route data packets between networks
  • To assign IP addresses to devices
  • To uniquely identify devices on the network at the data link layer
  • To provide DNS resolution

12. Which protocol is commonly used for wireless network security?

  • WEP
  • WPA2
  • SSL
  • TLS

13. What is the main purpose of a wireless bridge?

  • To route data packets between different networks
  • To extend the range of a wireless network by connecting two wired networks
  • To amplify wireless signals
  • To encrypt wireless communication

14. What is the frequency range used by the 802.11ac wireless standard?

  • 2.4 GHz
  • 5 GHz
  • 100 MHz
  • 1 GHz

15. What is the maximum data transfer speed supported by the 802.11g wireless standard?

  • 11 Mbps
  • 54 Mbps
  • 600 Mbps
  • 1000 Mbps

16. Which wireless security protocol is considered the most secure?

  • WEP
  • WPA
  • WPA2
  • WPA3

17. What does the term "SSID" stand for in wireless networking?

  • Secure Source Internet Device
  • Service Set Identifier
  • Simple Secure Internet Device
  • Single Security Identifier

18. Which wireless standard operates at both the 2.4 GHz and 5 GHz frequency bands?

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

19. What does the term "Wi-Fi Direct" refer to?

  • A method for devices to connect to the internet wirelessly
  • A method for devices to connect directly to each other without a router or access point
  • A type of wireless router
  • A Wi-Fi security protocol

20. What is the purpose of a wireless repeater?

  • To assign IP addresses to wireless devices
  • To extend the coverage area of a wireless network
  • To increase the security of a wireless network
  • To convert a wired network into a wireless network

21. What type of attack exploits weaknesses in a wireless network's security?

  • Denial of Service (DoS)
  • Man-in-the-middle attack
  • War driving
  • Phishing

22. Which of the following wireless security protocols is the least secure?

  • WPA2
  • WEP
  • WPA3
  • WPA

23. What is the maximum data transfer speed supported by the 802.11ac wireless standard?

  • 54 Mbps
  • 600 Mbps
  • 1 Gbps
  • 6.9 Gbps

24. What type of network is a wireless local area network (WLAN)?

  • A private network that connects only wired devices
  • A network that allows devices to connect to the internet using cellular signals
  • A network that connects devices using short-range wireless signals
  • A network used for connecting devices in a specific geographic area using radio signals

25. What is the primary function of a wireless client in a network?

  • To provide a wireless signal to other devices
  • To connect wirelessly to the network and access resources
  • To route data packets between different networks
  • To assign IP addresses to wireless devices

26. Which of the following is a characteristic of an ad-hoc wireless network?

  • It requires a central access point
  • It is a temporary network where devices connect directly to each other without an access point
  • It is a network that spans large geographic areas
  • It is used to connect wireless devices to wired networks

27. What does the term "bandwidth" refer to in wireless networking?

  • The maximum number of devices that can connect to a network
  • The amount of data that can be transmitted over a wireless network in a given time
  • The physical distance a wireless signal can travel
  • The type of encryption used in the network

28. What is the function of a wireless network interface card (NIC)?

  • To amplify the wireless signal
  • To convert data into a wireless signal and connect a device to a network
  • To assign IP addresses to devices
  • To route data packets between networks

29. Which of the following is a valid use for a wireless mesh network?

  • Connecting devices over long distances without using a wired connection
  • Connecting a single device to the internet
  • Extending the range of a wireless network
  • Connecting multiple access points in a large building to create a seamless network

30. What is the typical frequency range for Bluetooth technology?

  • 2.4 GHz to 2.485 GHz
  • 5 GHz to 5.5 GHz
  • 900 MHz to 1 GHz
  • 1.2 GHz to 1.3 GHz