Answer:
b. cable modem
Step-by-step explanation:
A cable modem is a type of modem that operates over cable television lines to provide fast Internet access. Here's some information about cable modems:
1. Connection method: Cable modems use the same coaxial cable lines that deliver cable TV signals to homes. These modems connect to the cable outlet in your home and translate the signals received over the cable line into digital data that can be transmitted and received by your computer or other devices.
2. Internet service provider (ISP): To use a cable modem, you need to subscribe to an Internet service provider that offers cable Internet service. The ISP will provide you with the necessary cable modem equipment and activate your Internet service.
3. Speed and performance: Cable modems are known for providing fast Internet access, often offering higher speeds compared to other types of modems like DSL or dial-up. The speed of a cable modem connection can vary depending on factors such as your ISP's service plan, network congestion, and the quality of your cable connection.
4. Shared bandwidth: Cable Internet connections typically operate on a shared bandwidth network. This means that the available bandwidth is shared among multiple users in the same neighborhood or area. During peak usage times, when many users are online, the overall speed and performance of a cable Internet connection may be affected.
Cable modems have become a popular choice for residential and small business Internet connections due to their speed and availability. They offer a convenient way to access high-speed Internet services using existing cable TV infrastructure.