PERT Study Guide with Practice Questions. PERT is a computer adaptive exam. That means that not all test takers will see the same questions, because the computer will show questions of varying levels of difficulty based on the answers to previous questions.
In 1992, SAP released R/3, which represented a switch from mainframe computing to the client-server model, and from a two-tier to a three-tier architecture, in which presentation, applications and data were housed separately. R/3 was a critical product for SAP that launched the company onto the world stage.
SAP Host Agent is an agent that can accomplish several life-cycle management tasks, such as operating system monitoring, database monitoring, system instance control and provisioning. In the context of the SAP Solution Manager, the Diagnostics Agents use several functions of the SAP Host Agent to collect data from the monitored systems and hosts.