Conduct research and attempt any four (4) questions only from the list below: Each question should have a sub-heading and explained distinctly. You must cite your sources in-text and provide your references at the bottom using the APA format. You must use other sources in addition to your textbook. The more sources, the better. Each question should have a minimum of two pages and a maximum of three pages. Using illustrated diagrams may also provide better insights into your answers. However, you must credit the source. Explain the importance of high availability and security within data centers and the primary data center facility components and hardware. Describe the importance of contemporary virtualization technology to cloud computing with an emphasis on hardware independence, server consolidation, and resource replication. Explain the difference between OS and hardware-based virtualization. Describe the relevance of contemporary Web technology and Web-based application architecture to cloud computing. Describe multitenancy and the relevance of multitenant technology to cloud computing. Describe the primary service technologies and their importance to cloud computing, including (SOAP-based) Web services, REST services, service agents and service middleware. Describe Web services and explain the technologies and industry standards most commonly used to build Web services