Network Fundamentals
A type of network covers a small area such as a house or a office building
What is a local area network?
Anything in a form suitable for use with a computer… such as binary
What is data?
The most common type of wireless network
What is wifi?
Something that VPNs allow for that blew up during covid
What is telecommuting (remote work)?
The techniques used to detect noise or other impairments introduced into data while it is transmitted from source to destination
What is error checking?
A set of rules for data communication over a network
The technical name for the type of network wifi is
What is a wireless land area network?
The meaning of the abbreviation VPN
What is virtual private network
In the context of networking, it refers to the overall completeness, accuracy and consistency of data.
What is data integrity?
A network with the abbreviation SAN is a secure high-speed data transfer network that provides access to consolidated blocklevel storage.
What is a storage area network?
A small unit of data used in network communication
What is a packet?
Examples of this type of hardware component in wireless networking include PCs, Laptops, Tablets, and Printers
Node
The process of encoding data so that only a computer with the right decoder will be able to read and use it.
What is encryption?
A network state where a node or link carries so much data that it may deteriorate network service quality, resulting in queuing delay, frame or data packet loss and the blocking of new connections.
What is congestion control?
The first layer of the OSI model
What is application?
The slowest form of transmission media
What are radio waves (wifi)?
What the G in 3G, 4G, 5G etc. stands for
Establishing and maintaining a logical network connection
What is tunneling?
The mechanism that ensures the rate at which a sender is transmitting is in proportion with the receiver’s receiving capabilities.
What is flow control?
The sixth layer of the OSI model
Data link - Mac, FCS
A situation where two nodes or processes are trying to access the same node at exactly the same moment, causing neither to be able to proceed.
What is deadlock?
The first three factors of authentication
What is something you know, something you have, and something you are?
Two things necessary for a VPN to work
A LAN that is connected to the internet
One computer outside of the LAN that is also connected to the internet
VPN client and server running on the lone machine and the original LAN
Internet connection
Two functions of a protocol
Ensure data integrity
Manage flow control
Prevent deadlock
Manage congestion
Perform error checking