Develop comprehensive answers to the following questions by synthesizing information from the source material.

1. Describe the high-level architecture of SAP Fiori, detailing the roles of the SAP Web Dispatcher, ABAP Front-End Server, ABAP Back-End Server, and the HANA XS Engine. Explain how data flows between these components for different app types.
2. Compare and contrast the three deployment options for SAP NetWeaver Gateway: Central Hub Deployment (Development in Back-End), Central Hub Deployment (Development in Hub), and Embedded Deployment. Discuss the advantages and disadvantages of each, and note which is recommended for production environments.
3. Explain the process of configuring the SAP Fiori Launchpad. Detail the steps involved from checking the SAP UI5 application URL to creating catalogs, tiles, target mappings, and assigning roles.
4. Discuss the relationship between SAP Fiori Analytical Apps, SAP HANA, Virtual Data Models (VDMs), and the KPI Modeler. How do these components work together to provide real-time business insights?
5. Outline the security mechanisms available for an SAP Fiori landscape. Cover the authentication methods for the front-end, the process for authentication in the back-end, and the purpose and protection levels of Secure Network Communication (SNC).