Network Address Translation (NAT): A mitigation tool that lets organizations use one public IP address and many private IP addresses within the network
Network layer: It's the layer that allows different networks to communicate with each other through devices known as routers. It is responsible for getting data delivered across a collection of networks
Network port:The physical connector to be able to connect a device to the network. This may be attached directly to a device on a computer network, or could also be located on a wall or on a patch panel
Network switch: It is a level 2 or data link device that can connect to many devices so they can communicate. It can inspect the contents of the Ethernet protocol data being sent around the network, determine which system the data is intended for and then only send that data to that one system
Next hop: The IP address of the next router that should receive data intended for the destination networking question or this could just state the network is directly connected and that there aren't any additional hops needed. Defined as part of the routing table
Node: Any device connected to a network. On most networks, each node will typically act as a server or a client
Non-routable address space: They are ranges of IPs set aside for use by anyone that cannot be routed to
O
Octet: Any number that can be represented by 8 bits
Options field: It is sometimes used for more complicated flow control protocols
Organizationally Unique Identifier (OUI):The first three octets of a MAC address
OSI model: A model used to define how network devices communicate. This model has seven layers that stack on top of each other: Physical, Data Link, Network, Transport, Session, Presentation, and Application
P
Padding field:A series of zeros used to ensure the header is the correct total size
Patch panel: A device containing many physical network ports
