CHAPTER 1 Flashcards
(27 cards)
Availability:
The assurance of timely and reliable access to data services for authorized users.
Bring Your Own Device (BYOD):
A policy that allows end users to use personal tools to access information and communicate across a business or campus network.
Cellular Connection:
Cellular internet access that uses a cell phone network to connect.
Client:
A network device that accesses a service on another computer remotely.
Confidentiality:
The state of ensuring that only authorized recipients can access and read data.
Cloud Computing:
Computing resources delivered as a service over a network.
Converged Data Network:
A network that aggregates various forms of traffic, such as voice, video, and data.
Dialup Telephone Connection:
An inexpensive communication option that uses any phone line and a modem.
Digital Subscriber Line (DSL):
An always-on internet service that provides high bandwidth and high availability.
End Device:
Either the source or destination of a message transmitted over a network.
Extranet:
Part of a network that provides secure access to individuals who work for a different organization but require access to the organization’s data.
Fault Tolerant Network:
A term for limiting the impact of a failure.
Integrity:
The assurance that information has not been altered in transmission from origin to destination.
Intermediary Device:
A device that connects end devices to the network.
Internet:
A network that combines enterprise networks, individual users, and ISPs into a single global IP network.
Internet Service Provider (ISP):
A company that helps create the internet by providing connectivity to enterprises and individuals.
Intranet:
A private connection of LANs and WANs that is designed to be accessible only by the organization’s members, employees, or others with authorization.
Local-Area Networks (LANs):
A network infrastructure that provides access to users and end devices in a small geographic area.
Powerline Networking:
An emerging trend for home networking that uses existing electrical wiring to connect devices.
Quality of Service (QoS):
A control mechanism that can provide different priorities to different users or data flows or guarantee a certain level of performance to a data flow in accordance with requests from the application program.
Satellite Connection:
Internet connection provided using satellites to serve areas that would otherwise have no internet connectivity at all.
Scalable Network:
A network that can expand quickly to support new users and applications without impacting the performance of the service being delivered to existing users.
Server:
Computer hardware or software that is used by multiple concurrent users or provides services to many users.
Small Office and Home Office (SOHO) Networks:
A network in which computers can connect to a corporate network or access centralized, shared resources.
