From your understanding of the Xen approach to virtualization, discuss specific features of Xen
that can support the XenoServer architecture, thus illustrating the synergy between virtualization
and cloud computing.

What will be an ideal response?

As explained in Section 7.7.2, the XenoServer architecture supports the discovery and use of XenoServers or
indeed more sophisticated servers or cluster of servers with a given level of connectivity. The architecture
therefore promotes a view of everything as a service as in cloud computing. Through using Xen, the mapping
of XenoServers to physical hardware can be managed. More generally, the use of virtualization in cloud
computing supports the provision of infrastructure as a service by providing access to virtual rather than
physical machines.

Computer Science & Information Technology

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Answer the following questions true (T) or false (F)

1. True/False: The first desktop computer, the Altair 8800, was invented in 1955. 2. True/False: A supercomputer can process over 1 billion instructions per second. 3. True/False: Web2.0 is simply an updated version of the World Wide Web.

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Answer the following statements true (T) or false (F)

1. A set is an associative container containing elements that must all be unique. 2. The STL provides many algorithms which are implemented as function templates and are included in the header file. 3. A function object is an object that acts like a function and is also known as a functor. 4. You can use the name of a function to get that function's address in memory and, therefore, get a function pointer to point to the function's executable code.

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Computer Science & Information Technology