5.2 Flashcards
personal area network (PAN)
A short-range connection
network
a group of computer systems connected together so they can share information.
Network media
The pathways that connect computers together | the different ways we store or transfer information.
Network interface
the point at which two different systems interact with each other.
network interface card (NIC)
Adapter card that provides one or more Ethernet ports for connecting hosts to a network so that they can exchange data over a link.
Network protocols
A shared set of protocols, or rules, serves as a common language among computers.
registered jack type 45
Series of jack/plug types used with twisted-pair cabling, such as RJ45 and RJ11.
Network ports
unique numbers that the operating system assigns to different types of network traffic.
remote desktop protocol (RDP)
Application protocol for operating remote connections to a host using a graphical interface. The protocol sends screen data from the remote host to the client and transfers mouse and keyboard input from the client to the remote host. It uses TCP port 3389.
graphical user interface (GUI)
An environment for passing commands to a computer by using a graphical, mouse-driven interface rather than by using text-based commands.
Hypertext Transfer Protocol Secure (HTTPS)
443
media access control (MAC) address
special physical code | unique to each device | hardcoded into each devices NIC and cannot be changed | six parts, two numbers or letters | uses hexadecimal numbers | represents a 48 bit binary number
local area network (LAN)
Network scope restricted to a single geographic location and owned/managed by a single organization.
Physical addresses have these characteristics
Duration| use case| notation - physical address in hexa| assignment physical adress assigned by nic manufacturer
IPv4 addresses
Version of the Internet Protocol that uses 32-bit address values and subnet masks typically expressed in dotted decimal notation