You have a distributed application that periodically processes large volumes of data across multiple Amazon EC2 Instances. The application is designed to recover gracefully from Amazon EC2 instance failures. You are required to accomplish this task in the most cost-effective way. Which of the following will meet your requirements?

A. Spot Instances
B. Reserved instances
C. Dedicated instances
D. On-Demand instances


Answer: A. Spot Instances

Computer Science & Information Technology

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What is the output of the following code:

int a = 6, b = 4; if (a + b < 10) a = 5; else a = a + 1; a = a + 2; cout << a; a) 9 b) 6 c) 7 d) 5

Computer Science & Information Technology

What is a default constructor? When does a class not have a default constructor?

What will be an ideal response?

Computer Science & Information Technology

It is the responsibility of the ____ to ensure that the tested expression is changed in a way that ultimately leads to a normal exit from a while loop.

A. user B. computer operator C. programmer D. compiler

Computer Science & Information Technology

Use the ________ button on the Options tab to update PivotTable data changes made to source data

A) Redo B) Refresh C) Update D) Renew

Computer Science & Information Technology