Telecommunications, the Internet, and Wireless Technology
Terms NIC – Network Interface Card NOS – Network operating system (examples: Microsoft Windows Server; Novell Open Enterprise Server) Hub – Connect network devices Switch – connect devices/can filter Router – routes packets through networks Modem – Modulator/Demodulator/connect us to Internet
Client server computing Packet switching (put digital message into parcels; send; reassemble at destination) Protocol (rules and procedures/ transmission of info) TCP/IP Connectivity (transmission control protocol/)
Local Area Network (LAN) Peer to peer Topology (way connected) Campus Area Network (CAN) Metropolitan Area Network (MAN) Wide Area Network (WAN)
Physical (Wired) Twisted wire (twisted pair) Coaxial Fiber Optics Fiber to the home
Wireless Microwave Satellite Infrared Bandwidth
Bit Calculator
Domain look up Domain look up Information Lookup Information Lookup IP Lookup (lookup ) – to find yours - Click Start, and then select All Programs IP Lookup Click Accessories, and then Command Prompt. At the command prompt, enter: ipconfig Tracert then url
Internet Internet Service Provider (ISP) DSL (Digital Subscriber line) Cable Internet connection T1 and T3 lines Addressing Domain Name System (DNS) – converts domain names to IP addresses IP Address (computer’s unique address) IPv6 Internet2
Voice Over IP (VOIP) Skype for Business Skype for Business Record Skype calls Record Skype calls Skylook for Business Skylook for Business Collaboration Collaboration Chat Translator Chat Translator Unified Communications Virtual Private Network (VPN)
Hypertext HTTP URL Search Engine Search engine marketing Search engine optimization Shopping bot
2 nd Generation of the Web Interactive Internet-based services Blogs, Wikis, RSS Social Networking Web 3.0 Semantic Web/Intelligent Web
Wireless fidelity (wi-fi) Hotspots Bluetooth (10 meters; 33 ft) PAN WiMAX WLAN Radio frequency identification (RFID) Active or Passive Tags Wireless Sensor Networks (WSNs) Verizon home monitoring Verizon home monitoring Verizon home monitoring Verizon home monitoring