Unit 13: Vocabulary

Please study the 18 vocabulary terms from Unit 13: Networking. Then continue to the activities.

authenticate
To verify that a process is true or genuine
The computer was very slow and took nearly 10 seconds to authenticate a user.
Bluetooth
an open wireless protocol for exchanging data; primarily used for connecting mobile devices to computers
The man used Bluetooth technology to create a personal area network (PAN) between his mobile phone and his computer.
client-server
a networking model in which the functions are divided between "child" computers and a single "parent" computer which stores and controls access to data
A standard protocol such at TCP/IP or IPX is used to define client-server interactions.
distributed computing
a type of computing in which a computational task is divided into subtasks that execute on a collection of networked computers
The professor said the Internet could theoretically be used as a giant distributed computing platform.
domain
a named group of networked computers that are administered as a unit with common rules and procedures
System administrators in large organizations use a domain to save time on common administration tasks.
encryption
the process of making information 'more secure' by rendering it unreadable to anyone but the intended recipient
The company used SSL encryption on its ecommerce web site to protect its customers while they made online purchases.
ethernet
A baseband local-area network originally developed by Xerox Corp. Normally running between 10 Mbps and 1,000 Mbps
The man could not connect to the LAN because he forgot to bring his RJ-45 ethernet cable.
firewall
a device or software program designed to prevent unauthorized access to a network
When the firewall was deactivated, the hacker found it easy to penetrate the system and upload a rootkit virus.
groupware
software applications that facilitate shared work on documents and information
Since the members of the project were thousands of miles apart, a groupware application was an integral part of the solution.
IP address
a unique string of numbers that identifies a computer or server on the Internet
The server's IP address was 215.44.32.134.
LAN (local area network)
a small computer network normally contained within one room or building
The network administrator talked with great enthusiasm about upgrading the LAN to Gigabit Ethernet.
node
any computer or other device connected to network
The Networking 101 book said that all connected PCs, servers, and printers are nodes on a network.
packet
a collection of bits normally sent through a network that contains data surrounded by error correction information
The network administrator was upset because the network connection kept dropping packets.
P2P (peer-to-peer)
a networking model where computers seamlessly share data; used primarily to reduce sever bottlenecks and reduce costs
BitTorrent is a popular and controversial peer-to-peer networking program used by millions of people to distribute data.
protocol
a set of standards or rules which govern communication
Before the Internet age, corporate LANs often ran on IPX or NetBEUI protocol.
VPN (virtual private network)
a relatively high security connection to a private network
The man connected to his work intranet from home using a virtual private network
Wi-Fi
a trademarked, nontechnical term used to describe a certain quality of wireless networking compatibility
The businessman was upset because he could not get his laptop to connect to the Wi-Fi hotspot at the convention.
WAN (wide area network)
a network which covers more than one building or area
The technical college's WAN connected all the county campuses.
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