Unit 2 Test
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A machine that can run a program, including computers, tablets, servers, routers and smart sensors.
Computer Device
A GROUP of computing devices and programs working together for a common purpose.
Computer System
A group of INTERCONNECTED computing devices capable of sending or receiving data.
Computer Network
The series of connections between the computing devices on a network starting with a sender and ending with a receiver.
Path
The MAXIMUM amount of data that can be sent in a fixed amount of time, usually measured by bits per second.
Bandwidth
An Agreed- upon set of rules that specify the behavior of some system.
Protocol
The UNIQUE number assigned to each device on the internet.
IP Address
A PROTOCOL for sending data across the internet that assigns a unique numbers to each device.
Internet Protocol
The internet uses _____ and ______ to communicate across the shared internet?
Internet Protocol and IP Addresses
A type of computer that forwards data across a network.
Router
Inclusion of extra components so that a system can continue to work even if individual components fail. Example: Having more than one path between any two connected devices in a network.
Redundancy
When a device can continue to function even if an individual component fails.
Fault Tolerant
True or False Paths can be sent out of order.
True
Information passed through the internet in packets.
Data Stream
A chunk of data sent over a network.
Packet
Data added to packets to help route them through the network and reassemble the original message
Packet MetaData
A protocol for sending packets quickly with minimal error
User Datagram Protocol (UDP)
The capacity for the system to change in size and scale to meet new demand.
Scalability
The system responsible for translating domain names like example.com into IP addresses.
Domain Name System (DNS)
A system of linked pages, programs and files
World Wide Web (WWW)
Protocol for computers to request and share pages that make up the world wide web on the internet
Hypertext Transfer Protocol (HTTP)
True or False The World Wide Web is the same as the internet
FALSE - The world wide web are files, web pages and media - The Internet is the network that we use to get the files, web pages and media
True or False DNS is important system to help the internet scale.
TRUE
Which of the following is a primary reason for the use of open protocols on the Internet? A Open protocols allow devices to specify how data packets are to be routed on the Internet in advance. B Open protocols ensure that all data transmission on the Internet is kept secure. C Open protocols ensure that all Internet users are provided connections with equal bandwidth. D Open protocols provide a way to standardize data transmission between different devices.
D Open protocols provide a way to standardize data transmission between different devices.