Автор: Ivanka Menken
Cloud computing has dramatically changed how business applications are built and run. At its core, cloud computing eliminates the costs and complexity of evaluating, buying, configuring, and managing all the hardware and software needed for enterprise applications. Instead, these applications are delivered as a service over the Internet. <p> Whenever the term infrastructure is used, the resulting images will involve some set of physical devices. In IT, the infrastructure comprises all the physical computing devices required to enable an enterprise or individual to produce some result supporting the goals of the business. The role of the infrastructure is to make the achievement of the result easier and to increase its value to the business. <p> Infrastructure as a Service is another method for managing and delivering the framework required to operate the business. At its core, Infrastructure as a Service (IaaS) must be discussed on two fronts: its construction and its presentation. The construction of an IaaS comprises the physical hardware and software used to provide the foundation for supporting the business. In a traditional IT solution, this foundation included servers, routers and bridges, and, in many cases, the technologies and solutions used to create the infrastructure were highly standardized. <p> For IaaS, the physical infrastructure still remains, but how it is presented to the customer is radically different. The presentation of IaaS is an abstraction of the physical infrastructure. One might think of this abstraction as a software-based representation of the physical infrastructure and that perspective would not be without merit. For a business, an IaaS has a radical impact on how IT is delivered and managed because it is possible to purchase the right to use the abstraction of an infrastructure without purchasing and managing the physical infrastructure. <p> New to IaaS? Welcome! If you're just starting to explore the concept of IaaS, this is the place to find out what IaaS can do for you, understand different types of IaaS solutions, and learn more about developing IaaS. <p> The Infrastructure as a Service Specialist level certification kit explores the concepts of Infrastructure as a Service (IaaS) and where they apply in the current technological world. <p> Using this book and the accompanying elearning materials, you will gain an understanding of the goals, objectives, benefits and challenges of the different types of IaaS and how they support the relevant IT Service Management processes. This certification kit will prepare you for the Infrastructure as a Service (IaaS) Specialist Level Exam. <p> The pre-requisite for this program is the completion of the Cloud Computing Foundation Program. <p> This Kit contains the book and online course access that provides everything you need to prepare for the IaaS Specialist Certification Exam, including in-depth coverage of all exam objectives, scenarios to easily demonstrate the processes in action, and practice exam questions for that last minute test preparation. <p> This Study Guide and Online Course access provides complete, in-depth coverage of all exam objectives for the IaaS Specialist exam in a systematic approach, so you can be confident you're getting the instruction you need. <p> * Real-world scenarios put what you've learned in the context of service solutions. <p> * Thought provoking questions to challenge your thinking and understanding. <p> * Exam Essentials in each chapter helps you zero in on what you need to know. <p> * Includes practice exam questions <p> * A Real World Guide to Infrastructure as Service Skills. <p> * Key information and real world examples organized around the actual day-to-day tasks and challenges you'll face in the field of IT Management.<p> * Practice what you've learned with challenging IaaS Specialist exam style questions.
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