After you have a firm set of requirements, focus on design. Through the design process, produce a design specification that highlights the chosen design elements and provides a diagram indicating the placement of access points within the facility. These larger projects will likely benefit from simulation, prototyping, or pilot testing as part of the design to ensure you've made the right choices and the requirements are fully realizable. In addition to presenting a certificate at connection time, the server also maintains a private key, which is necessary for establishing that the server presenting a certificate is actually presenting its own certificate. to the actual computer.