802.11n replaced older standards in 2007. Standard uses multiple antennas for increased data rates. Performance depends on network setup and interference
Alexander Graham Bell invented twisted pair cabling in 1881. Reduces electromagnetic interference and crosstalk between pairs. Can be shielded (STP) or unshielded (UTP) for noise immunity
Wi-Fi name and password usually found on router bottom or manual. Click taskbar icon resembling wireframe globe to access Wi-Fi settings. Select network from available options and enter password. Multiple computers can connect to same Wi-Fi network
Router and modem need Ethernet cables, coaxial cable, and power cords. Modem requires AC adapter connection and power switch activation. Router needs AC adapter connection and power source
A LAN connects devices in a single physical location. Four or fewer computers need only a router or switch. CAT5 cables should not exceed 250 feet. Ethernet cables are required for each computer
Ethernet splitter divides single Ethernet connection into two for multiple devices. Allows two devices to connect through one Ethernet port. Can effectively double capacity of single Ethernet cable