Basic Networking and Wireless Networking MCQs
Questions: 30
Questions
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1. What is the primary purpose of a switch in a network?
- a) To route data packets between different networks
- b) To assign IP addresses to devices
- c) To filter and forward data based on MAC addresses
- d) To amplify network signals
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2. Which of the following devices operates at the Data Link layer of the OSI model?
- a) Router
- b) Hub
- c) Switch
- d) Bridge
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3. What does Wi-Fi stand for?
- a) Wireless Fidelity
- b) Wireless Fiber
- c) Wide-Frequency Internet
- d) Wireless Fast Internet
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4. Which protocol is used for establishing and maintaining wireless network connections?
- a) FTP
- b) HTTP
- c) IEEE 802.11
- d) SNMP
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5. What is the maximum range of Wi-Fi networks?
- a) 10 meters
- b) 100 meters
- c) 1000 meters
- d) 50 meters
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6. Which frequency band is commonly used by Wi-Fi networks?
- a) 1 GHz
- b) 5 GHz
- c) 50 GHz
- d) 100 GHz
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7. What is the name of the protocol used for assigning IP addresses automatically on a network?
- a) DNS
- b) DHCP
- c) FTP
- d) SNMP
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8. What type of wireless network topology uses a central access point to connect multiple devices?
- a) Ad-hoc
- b) Star
- c) Mesh
- d) Ring
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9. Which of the following is a characteristic of the IEEE 802.11n wireless standard?
- a) Operates only on the 2.4 GHz band
- b) Supports data rates up to 600 Mbps
- c) Operates only on the 5 GHz band
- d) Uses infrared technology
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10. What is the primary function of an access point in a wireless network?
- a) To amplify the signal strength of the network
- b) To allow devices to connect to the network wirelessly
- c) To assign IP addresses to wireless devices
- d) To manage network security
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11. What is a MAC address used for in a network?
- a) To route data packets between networks
- b) To assign IP addresses to devices
- c) To uniquely identify devices on the network at the data link layer
- d) To provide DNS resolution
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12. Which protocol is commonly used for wireless network security?
- a) WEP
- b) WPA2
- c) SSL
- d) TLS
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13. What is the main purpose of a wireless bridge?
- a) To route data packets between different networks
- b) To extend the range of a wireless network by connecting two wired networks
- c) To amplify wireless signals
- d) To encrypt wireless communication
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14. What is the frequency range used by the 802.11ac wireless standard?
- a) 2.4 GHz
- b) 5 GHz
- c) 100 MHz
- d) 1 GHz
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15. What is the maximum data transfer speed supported by the 802.11g wireless standard?
- a) 11 Mbps
- b) 54 Mbps
- c) 600 Mbps
- d) 1000 Mbps
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16. Which wireless security protocol is considered the most secure?
- a) WEP
- b) WPA
- c) WPA2
- d) WPA3
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17. What does the term "SSID" stand for in wireless networking?
- a) Secure Source Internet Device
- b) Service Set Identifier
- c) Simple Secure Internet Device
- d) Single Security Identifier
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18. Which wireless standard operates at both the 2.4 GHz and 5 GHz frequency bands?
- a) 802.11a
- b) 802.11n
- c) 802.11g
- d) 802.11b
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19. What does the term "Wi-Fi Direct" refer to?
- a) A method for devices to connect to the internet wirelessly
- b) A method for devices to connect directly to each other without a router or access point
- c) A type of wireless router
- d) A Wi-Fi security protocol
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20. What is the purpose of a wireless repeater?
- a) To assign IP addresses to wireless devices
- b) To extend the coverage area of a wireless network
- c) To increase the security of a wireless network
- d) To convert a wired network into a wireless network
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21. What type of attack exploits weaknesses in a wireless network's security?
- a) Denial of Service (DoS)
- b) Man-in-the-middle attack
- c) War driving
- d) Phishing
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22. Which of the following wireless security protocols is the least secure?
- a) WPA2
- b) WEP
- c) WPA3
- d) WPA
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23. What is the maximum data transfer speed supported by the 802.11ac wireless standard?
- a) 54 Mbps
- b) 600 Mbps
- c) 1 Gbps
- d) 6.9 Gbps
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24. What type of network is a wireless local area network (WLAN)?
- a) A private network that connects only wired devices
- b) A network that allows devices to connect to the internet using cellular signals
- c) A network that connects devices using short-range wireless signals
- d) A network used for connecting devices in a specific geographic area using radio signals
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25. What is the primary function of a wireless client in a network?
- a) To provide a wireless signal to other devices
- b) To connect wirelessly to the network and access resources
- c) To route data packets between different networks
- d) To assign IP addresses to wireless devices
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26. Which of the following is a characteristic of an ad-hoc wireless network?
- a) It requires a central access point
- b) It is a temporary network where devices connect directly to each other without an access point
- c) It is a network that spans large geographic areas
- d) It is used to connect wireless devices to wired networks
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27. What does the term "bandwidth" refer to in wireless networking?
- a) The maximum number of devices that can connect to a network
- b) The amount of data that can be transmitted over a wireless network in a given time
- c) The physical distance a wireless signal can travel
- d) The type of encryption used in the network
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28. What is the function of a wireless network interface card (NIC)?
- a) To amplify the wireless signal
- b) To convert data into a wireless signal and connect a device to a network
- c) To assign IP addresses to devices
- d) To route data packets between networks
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29. Which of the following is a valid use for a wireless mesh network?
- a) Connecting devices over long distances without using a wired connection
- b) Connecting a single device to the internet
- c) Extending the range of a wireless network
- d) Connecting multiple access points in a large building to create a seamless network
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30. What is the typical frequency range for Bluetooth technology?
- a) 2.4 GHz to 2.485 GHz
- b) 5 GHz to 5.5 GHz
- c) 900 MHz to 1 GHz
- d) 1.2 GHz to 1.3 GHz
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