What addresses are assigned to a device at layer 3 - the network layer?

Which layer establishes, maintains, and terminates communications between applications located on different devices?

At which layer are signals sent over a medium (copper, fiber, etc.)?

At which layer is data encapsulated into frames?

What layer is the user most commonly interacting with?

At what layer does encryption occur?

Which type of address is associated with layer 2 - the data link layer?

Which layer does the following definition describe: This layer handles the routing of packets based on the IP address.

Which layer is responsible for breaking data into small segments for manageable delivery?

This layer turns binary into physical pulses - electrical, wireless, or light.