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Chapter 6
Vocab for Final Chapter 6
21
Business
Undergraduate 4
04/17/2012

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Term
Network Diagram
Definition
a model that shows how the application is deployed across networks and computers
Term
Architectural Design
Definition
broad design of the overall system structure; also called general design or conceptual design
Term
Detail Design
Definition
low-level design that includes the design of the specific program details
Term
Client-server architecture
Definition
a computer network configuration with user’s computers and central computers that provide common services
Term
Client Computer
Definition
the computers at which the users work to perform their computational tasks
Term
Server Computer
Definition
the central computer that provides services (such as database access) to the client computers over a network
Term
HTML
Definition
the predominant language for constructing Web pages and which consists of tags and rules about how to display web pages
Term
Transmission Control Protocol/Internet Protocol (TCP/IP):
Definition
the foundation protocol of the internet; used to provide reliable delivery of messages between networked computers
Term
Three-layer architecture
Definition
a client/server architecture that divides an application into view layer, business logic layer, and data layer
Term
View Layer
Definition
the part of the 3-layer architecture that contains the user interface
Term
Data Layer
Definition
the part of a 3-layere architecture that interacts with the data
Term
Hypertext Transfer Protocol Secure (HTTPS
Definition
): an encrypted form of information transfer on the internet that combines HTTP and TLS
Term
Transport Layer Security (TLS)
Definition
an advanced version of Secure Sockets Layer (SSL) protocol used to transmit information over the internet securely
Term
Content delivery network (CDN)
Definition
a set of server computers, separate from the hosting computers, used to deliver such static content as images or videos
Term
Hosting
Definition
the process of providing physical servers at a secure location and selling those services to other businesses that with to deploy web sites.
Term
CoLoacation
Definition
: a hosting service with a secure location but in which the computers are usually owned by the client businesses
Term
Virtual Server
Definition
a method to partition the services of a physical Web server so it appears as multiple, independent Internet servers
Term
Cloud
Definition
an extension of virtual servers in which the resources available including computing, storage, and Internet access and appear to have unlimited availability
Term
Service Level Agreement (SLA):
Definition
part of the contract between a business and a hosting company that guarantees a specific level of system availability
Term
Virtual Private Networks (VPNs):
Definition
a closed network with security and closed access built on top of a public network, such as the Internet
Term
Peer-to-peer connection
Definition
when independent computers communicate and share resources without the need of a centralized server computer
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