1. Router: A device that connects two networks and allows packets to be transmitted and revived between them.
2. Switch: In networking, a device responsible for multiple functions such as filtering, flooding and sending frames.
3. Hub: A Hub is used in a wired network to connect Ethernet cables from a number of devices together.
4. Repeater: Network repeaters regenerate incoming signals to extend the range of local area network.
5. RIP: The Routing information protocol is a unique identifier assigned to network that uses hop count as its metric.
6. MAC address: A media access control address is a unique identifier assigned to network interfaces for communications on the physical network segment.
7. WAN: Wide area network a network that crosses local, regional, or international boundaries.
8. CIDR: Classless Inter Domain Routing new routing method by inter NIC to assign IP address. CIDR can be described as a "slash x" network. The x represents the number of bits in the network that InterNIC controls.
9. ACL: Access Control list a list of rights that an object has to resources in the network. Also a type of firewall.
10. Bit: A binary digit they takes a value of either 0 or 1 and that is the basic unit of information storage and communication digital computing .
11. Byte: A basic unit of measurement of information storage in a computer and is considered to be a unit of memory addressing. A byte most often consists of eight bits.
12. Buffer: A place in memory to store incoming packets. all computers have buffers.
13. Peer to peer network: computers that are hooked together and have no centralized authority. Each computer is equal and can act as both a server and a workstation.
14. Firewall: A firewall is a system that secures your network from access by unauthorized users. A firewall can be implemented via software, hardware or by a combination.
