Your Customer Wishes to Deploy an Enterprise Application to AWS

question 216

Multiple Choice

Your customer wishes to deploy an enterprise application to AWS, which will consist of several web servers, several application servers and a small (50GB) Oracle database. Information is stored, both in the database and the file systems of the various servers. The backup system must support database recovery whole server and whole disk restores, and individual file restores with a recovery time of no more than two hours. They have chosen to use RDS Oracle as the database. Which backup architecture will meet these requirements?

• A) Backup RDS using automated daily DB backups. Backup the EC2 instances using AMIs and supplement with file-level backup to S3 using traditional enterprise backup software to provide file level restore.
• B) Backup RDS using a Multi-AZ Deployment. Backup the EC2 instances using Amis, and supplement by copying file system data to S3 to provide file level restore.
• C) Backup RDS using automated daily DB backups. Backup the EC2 instances using EBS snapshots and supplement with file-level backups to Amazon Glacier using traditional enterprise backup software to provide file level restore.
• D) Backup RDS database to S3 using Oracle RMAN. Backup the EC2 instances using Amis, and supplement with EBS snapshots for individual volume restore.

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Definitions:

Variable Costing

An accounting method that includes only variable costs - costs that change with production levels - in product costs.

Income

The financial gain received by an individual or a business, typically earned through work, capital investment, or the provision of goods and services.

Absorption Costing

Absorption costing is an accounting method where all of the manufacturing costs, including both fixed and variable costs, are allocated to produced units, thus encompassing direct materials, direct labor, and overheads.

Variable Costing

An accounting method that only includes variable production costs (direct labor, direct materials, and variable manufacturing overhead) in product costs, excluding fixed overhead.