The answer to question 01: A configuration baseline is a record of a software or appliance's initial configuration. A performance baseline is a record of a network's original bandwidth or overall performance. Changes in the future can be examined using these baselines. The answer to question 02: Control and document configuration and troubleshooting work through job logs and standard operating procedures (SOPs). The answer to question 03: A logical schematic depicts the network's topology in abstract, whereas a physical schematic depicts component locations and IDs.