a. Land line – This is just a telephone line, not an Internet service.
b. Dial-up service – Uses land lines to connect to the Internet, with speeds up to 56 kbps. Slowest.
c. Digital Subscriber Line (DSL) – Faster than dial-up, often 256 kbps to several Mbps.
d. Cable modem – Much faster, typically 10 Mbps to 1 Gbps.