Cisco Chapter 1: Introduction to Networks Vocabulary

Vocabulary flashcards generated from Cisco Chapter 1: Introduction to Networks.

Private Clouds

Cloud applications and services intended for a specific organization or entity such as the government.

Network Diagrams

Diagrams often called topology diagrams used to depict network layout and connections.

Quality of Service (QoS)

The primary mechanism used to ensure reliable delivery of content for all users.

Dedicated Leased Line

Reserved circuits within the service provider's network that connect distant offices with private voice and/or data networking.

Cloud Computing

A global trend that allows users to store personal files or backup data on servers over the Internet, allowing businesses to extend capabilities on demand.

Symmetric Digital Subscriber Lines (SDSL)

A specific format in which Business DSL is available.

Extranet

Provides secure access to an organization's network for individuals who work for a different organization and need access to network data.

Network Infrastructure Security

Focuses on the physical security of network devices and preventing unauthorized access to the management software on those devices.

Servers

Computers that provide information to end devices on the network.

DSL

A high bandwidth, always-on Internet connection that runs over a telephone line.

Public Clouds

Services and applications made available to the general public through a pay-per-use model or for free.

Small Home Networks

Networks that connect a few computers to each other and to the Internet.

Three Types of Network Media

Metallic wires within cables (copper), glass (fiber optic cables), and wireless transmission.

Medium to Large Networks

Networks across many locations with hundreds or thousands of interconnected computers.

IETF

International Engineering Task Force.

Network Infrastructure

Contains three broad categories of network components: devices, media, and services.

Cisco TelePresence

Powers face-to-face collaboration, allowing everyone to work productively from anywhere.

World Wide Networks

Networks connecting hundreds of millions of computers world-wide, such as the Internet.

Small Office/Home Office (SOHO)

Enables a computer within a home or remote office to connect to a corporate network.

Intermediary Device

Devices that interconnect end devices in a network, such as switches, wireless access points, routers, and firewalls.

IAB

Interactive Advertising Bureau.

Clients

Computers that send requests to servers to retrieve information such as web pages or emails.

Dial-up Telephone

An inexpensive, low bandwidth Internet connection option using a modem.

The Internet

A global network of networks not owned by any individual or group, maintained with structure by various organizational groups.

Information Security

Protection of the information or data transmitted over the network.

Three Goals of Network Security

Confidentiality, Integrity, and Availability.

Confidentiality

A security goal ensuring that only intended recipients can read the transmitted data.

Intranet

A private collection of LANs and WANs internal to an organization that is accessible only to authorized members.

Four Characteristics of Network Architecture

Fault Tolerance, Scalability, Quality of Service (QoS), and Security.

Host or End Device

Every computer connected to a network where a message originates from or where it is received.

ICANN

International Corporation for Assigned Names and Numbers.

Peer-to-Peer

A network model offering advantages such as being easy to set up, less complex, and lower cost.

Cellular

An Internet connection method using a cell phone network, available where a cellular signal is present.

Availability

Assurance of timely and reliable access to data for authorized users.

Four Types of Clouds

Public Clouds, Private Clouds, Hybrid Clouds, and Custom Clouds.

Integrity

Assurance that the data has not been altered during transmission.

Satellite

An Internet connection option that can provide connection when a wired solution is not available.

Ethernet WAN

Technology that extends LAN access technology into the WAN.

Fault Tolerant

A network architecture characteristic that limits the impact of a failure by limiting the number of affected devices.

Cable

High bandwidth, always-on Internet connection offered by cable television service providers.

Wide Area Network (WAN)

Spans a large geographic area typically involving a telecommunications service provider.

Bring Your Own Device (BYOD)

A major global trend that allows users to use their own personal devices for greater flexibility and opportunities.

Converged Data Networks

Networks that carry multiple services (data, voice, and video) over the same network infrastructure.

Local Area Network (LAN)

Spans a small geographic area owned or operated by an individual or IT department.

Three Network Components

Devices, Media, and Services.

Scalable

Refers to a network that can expand quickly and easily to support new users and applications without impacting existing user performance.

Network Architecture

Refers to the technologies that support the infrastructure that moves data across the network.