Which certification does CompTIA recommend a candidate for the CompTIA Network exam already have?

normaly a CompTIA A+ and a Cisco CCNA

Explanation:

thses are just some of the basic's i seen comptia list with most network certifications.

professionals can use many types of technology that can them. some examples are, computers (they research and can use for programs for data, they are also used for job applications, school work, and even to make new ideas), speedometers (can get data for unknown data), sometimes something as small as a pen (used for rough drafts, to insert data, and again job applications).