Essay Topic about Chapter 6

(T/F) The internet is essential because it's flexible, shares resources, allows geographic dispersement of employees, and links businesses with customers and suppliers.

Concept that ISPs must allow computers equal access to content and applications regardless of the source or nature of the content

(T/F)ISPs want net neutrality because it allows them to charge different prices to individuals based on internet usage

(T/F) Computers don't work in isolation, data exchange provides advantages, data exchange can take place over great distances

A system that connects computers and other devices via communications media so that data and information can be transmitted among them

(T/F) Voice and data communications are becoming slower and more expensive

Refers to the transmission capacity of a network; it is stated in bits per second

Refers to network transmission capacities ranging from approximately 1 million bits per second to 20 megabits with fiber to home.

(T/F) In a computer network, connected computers: work together, are interdependent, and exchange data with each other

The four types of networks from smallest to largest are ____, _____, _____, ____. (Acronyms)

PAN is the acronym for _____.

LAN is the acronym for _____.

MAN is the acronym for _____.

WAN is the acronym for ______.

The internet is a _____ network (acronym)

Connects two or more devices in a limited geographical region so that every device on the network can communicate with each other

Every device on a LAN has one of these which allows that device to physically connect to the LAN's communication medium

(T/F) LANs often have a file server or network server that contains various software and data for the network

Typically contains multiple LANs

_____ are provided by common carriers like a telephone companies

(T/F) WANs have a large capacity and typically combine multiple channels (fiber-optic, microwave, satellite)

(T/F) The internet is a WAN

WANs contain ______ which are communication processors that route messages from a LAN to the internet, across several connected LANs, or across a WAN

Consists of multiple LANs and WANs that are interconnected

High-speed central networks to which multiple smaller networks connect

A large computer network usually spanning a city (acronym)

A very small computer network within 10 meters of a person's space (acronym)

Continuous waves that transmit information by altering the characteristics of the waves

Discrete pulses that are either on or off, representing a series of bits (0s and 1s)

Convert digital signals to analog signals and analog signals to digital signals

Converting digital signals to analog signals

Converting analog signals to digital signals

Must convert digital signals into analog, transmission speeds up to 56kbps i.

e. SLOW

Provider operates over a coaxial cable, transmission speeds between 1 and 6 mbps for downloads and 128-768 for uploads

Which is faster downloading or uploading

Provider operates on the same lines as telephones and dial-up modems, always available internet

Uses physical wires or cables to transmit data and information

The prevalent form of communication wiring; strands of copper wiring twisted in pairs

Inexpensive to purchase, widely available and easy to work with are advantages of _____.

Slow for transmitting data, subject to interference from other electrical sources, easily tapped by others are disadvantages of _______

Consists of insulated copper wires

Much less susceptible to electrical interference, and can carry more data are advantages of _____.

More expensive, more difficult to work with, and somewhat inflexible are disadvantages of _____.

Consist of thousands of very thin filaments of glass fibers that transmit information via light pulses generated by lasers

Typically used as the backbone for a network

Significantly smaller and lighter than other mediums, can transmit more data, and provides greater security for data are advantages of _____.

A high-speed digital transmission technology using existing analog telephone lines

Data transmission technology that uses packet switching and allows for almost unlimited bandwidth on demand

An interface standard for transporting digital signals over fiber optic lines that allows users to integrate transmissions from multiple vendors

High-powered digital transmission system that defines circuits that operate at different rates, all of which are multiples of the basic 64 kbps user to transport a single voice call

The set of rules or procedures governing transmission across a network

A common LAN protocol

(TCP/IP) is a file transfer protocol that can send large files across sometimes unreliable networks (Internet) with assurance that the data will arrive uncorrupted; 3 basic functions

One of the TCP/IP functions; managing the movement of _____ between computers by establishing a connection between the computers

One of the TCP/IP functions; ____ the transfer of packets

One of the TCP/IP functions; _____ the packets that have been transferred

Responsible for disassembling, delivering, and reassembling the data during transmission

The four layers of TCP/IP are 1.)______, 2.)_______=> provides communication ability, 3.)_______ => addressing and routing, 4.)______=> sends to/from the network

Defines how messages are formulated and how they are interpreted by the receiver

Transmission technology that breaks-up blocks of data into packets

Links 2 or more computers in an arrangement in which some machines (servers) provide computing services for user PC's (clients)

A type of Client/server distributed processing where each computer acts as both a client and a server ex: Napster There are 3 types

______ Peer-to-peer processing accesses unused CPU power among networked computers

______ Peer-to-peer processing is real time person to person collaboration

_______ Peer-to-peer processing is open source free peer to peer file-sharing

Refers to the geometric arrangement of the actual physical organization of the computers and other network devices in a network

All devices are connected to a central cable called a ____; ____ networks are relatively inexpensive and easy to install for small networks (SAME word for both blanks)

All devices are connected to a central device called a hub.

_____ networks are relatively easy to install and manage but bottlenecks can occur because all the data must pass through the hub

All devices are connected to one another in the shape of a closed loop, so that each device is connected directly to two other devices. _____ topologies are relatively expensive, difficult to install, but they offer high bandwidth and can span large distances

Groups of star-configured workstations are connected to a linear bus backbone cable, combining the characteristics of the bus and star topologies

Devices are connected by a receiver/transmitter to a special network interface card that transmits signals between a computer and server, all within an acceptable transmission range

A global WAN that connects approximately 1 million organizational computer networks in more than 200 countries on all continents and plays a role in the daily routine of almost 2 billion people

A restricted network that relies on Internet technologies to provide an Internet-like environment within the company for information sharing, communications, collaboration, web-publishing, and the support of the business process

An extension of an intranet that is only available to authorized outsiders such as customers, partners, and suppliers; kind of public/private

Companies can establish direct private network links among themselves or create private, secure Internet access, in effect a "private tunnel" within the Internet

____ are important because with security on the rise, keeping electronic records safe is an area of concern for many businesses

A company that offers internet connection for a fee

Exchange points for Internet traffic; Determine how traffic is routed, internet backbone

Internet Kiosks, Dial-up, DSL, Cable Modem, Satellite, Wireless, FIber to the home; are all examples of ____

Assigned address assigned to every computer that distinguishes it from all other computers; IPv4 = 4 part 32 bits, IPv6 = 128 bits used due to increasing # of devices

Consists of multiple parts separated by dots which are read from right to left

The right most part of an Internet name; ex: .com, .gov, .edu

The main portion/ middle of the Internet name

A system of universally accepted standards for storing, retrieving, formatting, and displaying information via a client/server architecture; not the same thing as the internet

A text and graphical screen display that usually welcomes the user and explains the organization that has established the page

The set of letters that represent a resource on the web that points to the address of a specific resource on the web

Allows users to browse and search data sources in all topic areas on the Web.

Are computer programs that are used to search for specific information by keywords and then report the results; The largest are Google, Yahoo, Bing, Baidu

These search several search engines at once and integrate the findings of the various search engines to answer queries posted by the user

A web-based personalized gateway to information and knowledge that provides relevant information from different IT systems and the Internet using advanced search and indexing techniques

Offer content for diverse communities and are most popular portals on the Internet

Support communities such as a hobby group or political party

Are portals accessible from mobile devices

Portals that offer a personalized single point of access through a web browser

Portals that support entire industries