Term
| a computer ___ is a collection of computers that communicate with one another over transmission lines or wierlessly |
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Definition
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Term
| what are the three basic types of networks |
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Definition
local area network
wide area network
internets |
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Term
| what is the difference between a LAN and a WAN |
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Definition
| LAN is local to one site, while WAN connects computers at geographically different locations |
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Term
| a ___ is a network of networks |
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Definition
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Term
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Definition
| a private internet that is used exclusively within an organization |
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Term
| ___ is a set of rules that programs on two communicating devices follow |
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Definition
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Term
| ___ is a LAN that typically has fewer than a dozen or so computers and printers |
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Definition
| small office or a home office (SOHO) |
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Term
| ___ is a special purpose computer that receives and transmits wired traffic on the LAN |
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Definition
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Term
| a ___ is a device that connects the computer's or printer's circuitry to the network wires |
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Definition
| Network Interface Card (NIC) |
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Term
| the ___ protocol is used for wired LAN connections |
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Definition
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Term
| The IEEE 802.3 protocol, also called ethernet, also specifies ___ |
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Definition
| hardware characteristics, such as which wire carries which signals |
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Term
the NICs in most personal computers supports ___
What transmission rates are provided with this? |
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Definition
10/100/1000 Ethernet
10/100/1000 Mbps |
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Term
| Wireless LAN connections use the ___ protocol. What is the most current protocol of this? |
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Definition
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Term
| IEEE 802.11n provides speeds of up to ___ |
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Definition
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Term
| What are the three functions of the ISP? |
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Definition
provides you with a legitimate Internet address
serves as your gateway to the internet
They pay for the internet by collecting money from you and paying access fees |
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Term
| ___ operates on the same lines as voice telephones. |
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Definition
| digital subscriber line (DSL) |
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Term
| ___ provide high speed data transmission using cabel television lines |
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Definition
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Term
| protocols used on the internet are arranged according to a structure known as teh ___, which is a scheme of five protocol types arranged in layers |
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Definition
| TCP/IP Protocol architecture |
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Term
| ___ is the protocol used between browsers and web servers |
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Definition
| Hypertext transport protocol (HTTP) |
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Term
| ___ protocol is used for email transmissions. |
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Definition
| Simple Mail Transfer Protocol (SMTP) |
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Term
| ___ protocol is used to move files over the internet. |
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Definition
| File Transfer Protocol (FTP) |
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Term
| When is FTP commonly used? |
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Definition
| To maintain websites. When an admin posts a picture or item to the server, it is often done via FTP. |
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Term
| what is the most important protocol? |
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Definition
| Transmission Control Protocol (TCP) |
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Term
| The primary protocol of the internet layer is called the ___, which specifies the routing of the pieces of your message through the networks that comprise any internet. |
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Definition
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Term
| What agency controls IP address assignment? |
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Definition
| Internet Corporation for Assigned Names and Numbers (ICANN) |
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Term
| ___ identify a particular device on a private network, usually on a LAN |
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Definition
| Private IP addresses (using the LAN at a coffee shop) |
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Term
| what are the functions of a LAN device? |
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Definition
Switching processing
access point processing
translation between IEEE 802.3 and 802.11
server that assignes private IP addresses
private/public IP address translation between private and public addresses
internet router routing packets |
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Term
| what are the two IP address formats? |
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Definition
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Term
| a ___ is a worldwide unique name that is affiliated with a public IP address |
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Definition
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Term
| How many domain names can point to one IP address? |
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Definition
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Term
| the affiliation of domain names with IP addresses is ___. What does this mean? |
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Definition
Dynamic.
the owner of the domain can change the affiliated IP at will |
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Term
| a ___ uses the internet to create the appearance of private point to point connections. |
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Definition
| virtual private network (VPN) |
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Term
| to ensure security, VPN client software ___ the original message. |
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Definition
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Term
| almost all e-commerce applications use the ___. |
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Definition
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Term
| The ___ consists of computer, phones and other mobile devices that have browsers that request and process web pages |
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Definition
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Term
| ___ consists of computer that run web servers and process application programs |
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Definition
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Term
| ___ consists of computers that run a DBMS that processes requests to retrieve and store data |
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Definition
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Term
| ___ is the most common language for defining the structure and layout of web pages |
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Definition
| Hypertext Markup Language (HTML) |
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Term
| an ___ is a variable used to provide properties about a tag |
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Definition
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Term
| the ___ is defined as the elastic leasing of pooled computer resources over the internet |
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Definition
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Term
| and organization that provides ___ provides not only hardware infrastructure, but an OS and application programs on to p of the hardware |
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Definition
| Software as a Service (SaaS) |
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Term
| Another category of cloud hosting is ___ whereby vendors provide hosted computers, an OS and possibly a DBMS |
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Definition
| Platform as a Service (PaaS) |
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Term
| The most basic cloud offering is ___, which is the cloud hosting of a bare server computer or disk drive |
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Definition
| Infrastructure as a Service (IaaS) |
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