Explanation:Through hardware virtualization on Xen hypervisors, Amazon.com has made it possible to create private virtual servers that you can run worldwide. 3. Which of the following is an edge-storage or content-delivery system that caches data in different physical locations ?
A. Amazon Relational Database Service
B. Amazon SimpleDB
C. Amazon Cloudfront
D. Amazon Associates Web Services
Answer:A
Explanation:Through hardware virtualization on Xen hypervisors, Amazon.com has made it possible to create private virtual servers that you can run worldwide. 3. Which of the following is an edge-storage or content-delivery system that caches data in different physical locations ?
A. Amazon Relational Database Service B. Amazon SimpleDB C. Amazon Cloudfront D. Amazon Associates Web Services
Explanation:Cloudfront is similar to systems such as Akamai.com, but is proprietary to Amazon.com and is set up to work with Amazon Simple Storage