Which device can relay packets from one network to another and is usually programmable?

The results in a ________ search display Creative Commons images for use in your assignments

A) Windows 10 B) Microsoft Edge C) screenshot D) Bing Image

A class that is not intended to be instantiated but is to be used only as a base class is called a(n) ____________.

a. abstract class b. dummy class c. placeholder d. entity class