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
Basic Networking and Wireless Networking MCQs Online Test
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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