Chapter 12, Problem 12RQ

Explanation of Solution

Examples of layer 2 LAN that works at Layer 1:

• Ethernet
• USB
• Wi-Fi
• Bluetooth

Ethernet:

• Ethernet is a network technology used to connect computers in limited area.
• Several wiring and signaling variants used in Ethernet are called standard Ethernet.
  • A Standard Ethernet uses the bus topology.
  • Ethernet bus topology is easy to install, inexpensive, and requires less cable for connection

USB:

• One type of flash storage device is the Universal Serial Bus (USB) flash drive.
• It is easy to work with Personal Computer (PC), and it does not require any device driver to install the device.
• It is also called as memory sticks, thumb drives or jump drives.

Wi-Fi:

• Wi-Fi (Wireless Fidelity) is the wireless communication technology that is capable to support high speed internet and network connections...