1						16					18
	13
	2
			14
3											17
										4
			5
										6
						15
		7
					8
		9/10
		11
		12

Across

1. A unique identifier assigned to a network interface controller (NIC) for communications at the data link layer of a network segment.

2. The process of inspecting packets based on their source and destination addresses, ports, and protocols, and either allowing or blocking them based on predefined rules.

3. The inclusion of duplicate components or systems to provide backup or failover protection in case of a hardware or software failure.

4. A data structure in a networking device that maps MAC addresses to physical ports.

5. A type of server where all the physical resources are exclusively allocated to a single user or organization.

6. A technology that transmits data as light pulses in wired networks using thin strands of glass or plastic (fibers).

7. A computer or system that provides resources, data, services, or programs to other computers or clients over a network.

8. A device that interconnects multiple devices in a wired network and facilitates the transmission of data packets among them.

9. A widely used wired network technology enables devices to communicate with each other over a local area network (LAN).

10. A type of network cable commonly used to connect network devices on a Local Area Network (LAN)

11. A network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules

12. A facility used to house computer systems and associated components, such as telecommunications and storage systems.

Down

13. A unique numerical label assigned to each device connected to a network that uses the Internet Protocol for communication.

14. A mode of communication that allows the NIC to send and receive data simultaneously.

15. A network hardware device that connects multiple devices on a computer network, using packet switching to forward data to the intended destination device

16. The process of selecting the best path for data packets to travel from source to destination in a network.

17. The maximum amount of data that can be sent over a wired network within a certain time frame, typically measured in bits per second (bps).

18. A network device that modulates and demodulates signals to establish and maintain a connection with an ISP

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