You are a professional level SQL Sever 2008 Database Administrator in an international corporation
named Wiikigo. You are experienced in managing databases in an enterprise-level organization, optimizing
and sustaining the database life cycle.
In the company, your job is to implement solutions on security, troubleshooting, deployment and optimization.
A SQL Server 2008 instance is managed by you. And a large financial database is hosted by the instance.
The backup strategies listed below are contained by the database.
First, the performance of a full database backup is implemented once a week. Secondly, the
performance of a differential backup is implemented every day.
Thirdly, the performance of a transaction log backup is implemented every hour.
An end-of-year batch process should be implemented, and the process takes two hours to run.
About five percent of data within the database will be changed by the batch process.
Since you are the technical support, you are required to make sure that the batch operation can be rolled back in the shortest time, if
the batch process is not approved by the Finance department.
What should you do first before start the batch process?

A.
You should perform a differential backup.

B.
You should create a marked transaction. And then you should perform a transaction log backup.

C.
You should create a database snapshot.

D.
You should record the time before the batch operation. And then you should perform a transaction log