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LAN Chapter 21 CompTIA A+
Get Quizlet's official A+ Bundle (Core 1 and Core 2) - 1 term, 1 practice question, 1 full practice test
Terms in this set (27)
Local area network
Wide area network - more than one local area network connected together
Keeps incoming data organized and distributes it to the necessary application. Also takes outgoing data from the applications and gives it to the NIC
Transmission control is the primary protocol for most modern networks.
Unique identification number for your computer/device on the network. The number other devices use to "find" your computer/device.
A value that distinguishes which part of the IP address is used as the network ID.
Class A subnet mask
Class C subnet mask
Two computers with the same IP address.
Has at least two IP addresses. One for the LAN and one for the "next" network.
Used to relate IP addresses with names so we do not have to memorize IP addresses.
layer 7 - end user layer
Layer 6 - syntax layer
Layer 5 - Sync & send to ports
Layer 4 - TCP
Layer 3 - Packets
Data Link Layer
Layer 2 - Frames
Layer 1 - Physical structure
Organization that assigns names and numbers on the internet.
Service run on a server that assigns an IP automatically so the user does not have to manually assign an IP address.
Connectionless protocol. Much faster than connection-oriented protocols. VOIP typically uses this protocol.
Connection-oriented protocol. Typically used for the internet. HTTP is built on it.
Used to access a remote system's terminal as though you are actually at the machine.
Can transmit both ways, but can only transmit one direction at a time.
A broadcast that essentially repeats the destination MAC address many times.
In case you are on a VOIP call and downloading a gigabyte of files you need later. This determines that the VOIP call is more important.
All computers that need to share resources must be in the same.
THIS SET IS OFTEN IN FOLDERS WITH...
Online 801 MG Computer Maintenance Book - Chapter…
Chapter 21 Local Area Networking (220 901/902)
CH 21 Notes
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