adms 2511 final (5-13)

computer network

is a system that connects computers and other devices (e.g., printers) through communications media so that data and information can be transmitted among them.

Bandwidth

refers to the transmission capacity

of a network; it is stated in bits per second

what is a WAN (wide area network)

is a network that covers a large geographical area

what are network access points

Computers that act as exchange points for Internet traffic and determine how traffic is routed.

What is an enterprise network?

A company-wide network combining multiple LANs and WANs.

What is the Internet?

A global system of interconnected networks using standard protocols like TCP/IP.

. What is an intranet?

A private, internal network that uses internet technologies but is accessible only to authorized users.

What is an extranet?

An intranet extended to external users (suppliers, customers, partners) through secure access.

What is folksonomy?

A user-generated system of tagging that creates a shared classification system.

What is social networking?

Online platforms that connect users, enabling profiles, connections, messaging, and sharing.

What is social capital?

What is social capital?

What is VoIP?

Voice over Internet Protocol — using the internet to transmit voice communications.

What is a URL?

A uniform resource locator — the address of a resource on the internet.

What is Web conferencing?

Real-time communication tools allowing video meetings, screen sharing, chat, etc.

What is a wiki?

A collaborative website allowing users to add, edit, or remove content.

What is folksonomy?

A user-generated system of tagging that creates a shared classification system.

What is an RSS feed?

A web feed format used to deliver regularly updated content directly to users.

what is data

raw facts with no meaning, ie sale numbers, account numbers

what is information

Data that has been processed, organized, or structured so it has meaning and value.

Decision Support System (DSS)

An information system that supports non-routine, semi-structured decisions using models, data, and analysis tools.

what is tactic knowledge

Tacit knowledge is personal knowledge that is difficult to formalize and is based on experience and intuition.

what is transaction data

Transaction data are data generated from day-to-day business operations.

what does broadband mean

is “an always-on,

high-speed

connection to the Internet through the facilities of an ISP.

what are the reasons businesses use networks?

primarily to support communication, collaboration, resource sharing, and access to information.

what is P2P

(P2P) processing is a type of client/server

distributed processing in which each computer acts as both a client and a server.

what is a search engine

is a computer program that searches for specific information by keywords and then reports the results.

what is a portal?

a web-based, personalized gateway that provides users with relevant information from different IT systems and the Internet.

what are the advantages of telecommuting?

for employees: Reduced stress from avoiding long commutes

• Improved work–life balance and family life

• Greater flexibility in when and where work is completed

for employers:

• Increased employee productivity

• Ability to retain skilled and highly valued employees

• Ability to attract talent outside commuting distance

• Reduced need for physical office space

what are the disadvantages of telecommuting?

• Increased feelings of isolation

• Reduced social interaction with coworkers

• Possible loss of fringe benefits

• Lower pay in some cases

what are the advantages of electronic mail?

• written record and documentation

• fast, inexpensive communication

• asynchronous communication

what are the disadvantages of electronic mail?

• security and privacy risks

• information overload

• reduced personal interaction

• lack of nonverbal cues

what is a DOS (denial of service attack)

attack overwhelms a system with excessive requests, causing it to slow down or stop functioning entirely.

what is structured data?

data that are organized in a fixed format, such as rows and columns, and are easily stored, searched, and analyzed.

example : Invoices

• Payroll records

• Customer tables

• Databases

what is unstructured data?

data that do not have a predefined format and are difficult to organize and analyze.

example:

• Emails

• Images

• Videos

• Social media posts

what is war driving

War driving involves intercepting wireless signals