Explanation:Amazon Elastic Compute Cloud enables the creation, use, and management of virtual private servers running the Linux or Windows operating system over a Xen hypervisor. 4. Which of the following is a message queue or transaction system for distributed Internet-based applications ?
A. Amazon Elastic Compute Cloud
B. Amazon Simple Queue Service
C. Amazon Simple Notification Service
D. Amazon Simple Storage System
Answer:A
Explanation:Amazon Elastic Compute Cloud enables the creation, use, and management of virtual private servers running the Linux or Windows operating system over a Xen hypervisor. 4. Which of the following is a message queue or transaction system for distributed Internet-based applications ?
A. Amazon Elastic Compute Cloud B. Amazon Simple Queue Service C. Amazon Simple Notification Service D. Amazon Simple Storage System
Explanation:In a loosely coupled SOA system, a transaction manager is required to ensure that messages are not lost when a component isn’t available. 5. Point out the correct statement: