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34 Cards in this Set
- Front
- Back
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Collaboration
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Occurs when two or more people work together to achieve a common goal. Driven by four critical factors: Communication skills and culture, communication systems, content management, and workflow control.
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Network Externality (Network Effect) |
The phenomenon in which the larger the network, the more valuable a network becomes |
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Network |
Collection of computers that transmit and/ or receive electronic signals through transmission media |
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Transmission Media |
May be a physical media such as cable or glass fibre cable, or wireless media such as light or radio frequencies |
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Protocol |
Set of procedures used in transmission between networks |
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Local Area Network (LAN) |
Connects computers within a small, single geographical location |
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Wide Area Network (WAN) |
Connect computers at different geographical locations |
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Internet |
Network of networks |
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Switch |
A special purpose computer that receives and transmits messages on the LAN |
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Network Interface Card (NIC) |
Hardware component that connects the device's circuitry to the network cable |
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Media Access Control (MAC) Address |
The unique identifier in which each NIC has |
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Unshielded Twisted Pair (UTP) Cable |
Connections made using these cables; twisting the cables substantially reduces cross-wire signal interference |
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Optical Fibre Cable |
Cladded cables that uses light ray signals |
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Institute for Electrical and Electrical Engineers (IEEE) |
Most used protocol for LAN network; IEEE 802.3 for LAN or Ethernet; IEEE 802.11 for wireless |
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Wireless NIC (WNIC) |
Lets a user move around and stay connected to their network without having to plug-in with a cable (WiFi) |
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Access Points |
Access points for wireless LANs to connect to |
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Router |
Special-purpose computers that implement the protocol for WANs |
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Internet Service Providers (ISP) |
Provides your computer or router with legitimate IP Address, serves as a gateway to the Internet |
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Hypertext Transfer Protocol (HTTP) |
the Web, a subset of the Internet, consists of sites and users that process HTTP |
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Simple Mail Transfer Protoocl (SMTP) |
protocol in which you send mails on to POP |
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File Transfer Protocol (FTP) |
Protocol in which you transfer files with |
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Top Level Domain (TLD) |
the ".com" |
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Internet Corporation for Assigned Names and Numbers (ICANN) |
the other part of a URL (Uniform Resource Locator), which is the whole address) |
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Domain Name System (DNS) |
Service that converts human-friendly URLs into computer friendly IP addresses |
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Modem |
Performs conversions of analog or wavy signals; DSL is dial up; DSL Modem operates on the same lines of voice telephones |
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Asymmetric Digital Subscription (ADSL) & Symmetric Digital Subscription (SDSL) |
Lower upload speed than download speed; same rate for upload and download |
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Cable Modem |
Modem that uses the TV signals |
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Narrowband/ Broadband |
Narrowband is dial-up with 56 kbps; Broadband is DSL with 256 kbps |
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Wireless WAN (WWAN) |
Telephone companies |
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Transmission Control Program/ Internet Protocol (TCP/IP)
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Four layered network scheme by IETF which consists of:
1) Network Access Layer 2) Internet Layer 3) Transport Layer 4) Application Layer TCP controls data packets IP is responsible for moving packets |
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Firewall |
Computer device that prevents unauthorized network access; ACL manages which IP addresses are allowed |
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Encryption |
The process of transforming clear text into coded, unintelligible text to secure storage or communication |
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Virtual Private Network (VPN)
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Uses the internet or private internet to create the appearance of private point-to-point connections; uses a tunnel to send encrypted message which is then decrypted
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Web Crawler/ Web Spider |
Method in which search engine finds its designated content |
