# data[].attributes.body
- groups of devices are connected to a linear backbone cable
- also called a hierarchical network or an expanded star

# data[].attributes.body
- every device is connected directly to every other device

# data[].attributes.body
- each device in the network can act as a router
-  enables connections around broken or blocked paths to be continually remade by “hopping” from device to device until the destination is reached

# data[].attributes.body
- Each node connects exactly two other nodes which forms a continuous ring for signals to travel through each node

This is very organized since data travels in the same direction and at high speeds, however if one computer is down all of them are down

# data[].attributes.body
-In bus topology, every computer is connected to a central cable that has a terminator at each end

Easy to connect computer to a linear bus

Requires less cable than a star topology

Isn’t often used on large scale networks, if the central cable breaks it divides the network into two separate sections (central cable = backbone)

# data[].attributes.body
Refers to the layout of devices that are connected on a computer network

A way to describe the “shape” of the interconnections between computers

# data[].attributes.body
- the most common network topology today
- the hub of a bicycle wheel and the spokes

# data[].attributes.body
- refers to how things relate to each other in space

how they are organized.

# data[].attributes.body
- rules, or “language,” that computers on a network agree to use is called a protocol

# data[].attributes.body
- what happens when more than one transmitter tries to pass data along at once

# data[].attributes.body
- broken down/smaller bits of information

# data[].attributes.body
- visual private network
- a type of WAN
- built using another network, but they may have their own security settings and modifications to user connectivity

# data[].attributes.body
- communicate with the server but do not communicate with each other

# data[].attributes.body
- a type of LAN
- one computer or one set of computers, the servers, are assigned a specific task

# data[].attributes.body
- measured in mbps
- how fast the network runs

# data[].attributes.body
- cable sends signals at 100 megabits per second
- CAT5e cable is an enhanced version of CAT5 that reduces interference
- CAT5e replaced CAT5 and is the most widely used type of network cable.

# data[].attributes.body
-  the most common cable used in LANs today
-  Industry-standard specifications categorize cables according to performance characteristics and test requirements

# data[].attributes.body
-the transmission medium by which computers in a network usually send and receive data
- Different kinds of cables have varying speeds and limitations in sending signals clearly
- technological breakthroughs have increased transmission speeds, made it easier to send signals clearly, and brought costs down.

# data[].attributes.body
- makes it possible for a computer to send data to and receive data from another computer
- has a port that extends outside the computer, usually in the back

# data[].attributes.body
- measure the communication rate over a network
-  the number of bits that can be transmitted or received per second.

# data[].attributes.body
-  With computer networks, the rules of initiating, interrupting, and continuing communication

# data[].attributes.body
- computer network is controlled by
-  a set of programs used to manage and secure a network. The NOS controls access to the network and everything about how the network is used.

# data[].attributes.body
- company decides to allow certain customers or other “outsiders” to access areas of its intranet, those areas of the network

# data[].attributes.body
- a private network that looks and acts a lot like the Internet
- available only to the employees of the organization

# data[].attributes.body
- a main computer network
-  When connected computers are far apart—in different buildings, different cities, or even different countries
- Internet

# data[].attributes.body
- formed when two or more computers are connected
- A network can be made up of two computers or hundreds of thousands of computers—there is no maximum size.

# data[].attributes.body
- a main computer network
-  computers are close together, typically in the same building or office.

# data[].attributes.body
- uses light guided through thin glass tubes to send data
- sends data at faster speeds and for longer distances than CAT5 cable can
- it is also more expensive

# data[].attributes.body
- a reliable form of wireless connection
- good option for optimum speed and security

# data[].attributes.body
- doesn’t use cables
- instead it uses radio frequencies to send data
- it is limited by its ability to send signals over short distances only

# data[].attributes.body
- the central point where all of the computers on a network connect

# data[].attributes.body
- a type of hub that uses a table to keep track of destinations so that the message from one computer to another is sent directly to the other computer

# data[].attributes.body
- links computers to the Internet so users can have connection
- acts like a dispatcher