When technicians at tier 1 run out of ideas and cannot think of another theory of probably cause, they ________ the issue

Ports 1–1023 are called well-known ports or which of the following?

What will be an ideal response?

The three standard classes of devices supported by Linux are ____.

A. character devices, system devices, and network interfaces B. system devices, block devices, and network interfaces C. character devices, block devices, and network interfaces D. character devices, block devices, and network devices