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 infrastructure is managed by you.
A SQL Server 2008 instance at the New York central site is managed by you, and it is called Ins01.
There is a sales team in your company, and their task is to finish purchase orders for customer requests.
The sales team updates data regularly in a local database by utilizing their portable computers.
When the central site is connected by portable computers, a database named Sales will be synchronized with the local
database. A duplication model will be created to duplicate the local database to the Sales database.
The requirements listed below should be satisfied by the duplication model.
First, when the same data is updated by multiple users independently, there should be no data conflicts.Secondly, sensitive data such
as product price cannot be updated by the sales team.Thirdly, the data should be synchronized by the
sales team not only at scheduled times but also on demand.
The best model should be identified to have data duplicated, and you should be reduced the development efforts to the least.
Which action will you perform?

A.
You should utilize snapshot duplication along with each portable computer that is set up as a subscriber.

B.
You should utilize transactional duplication along with each portable computer that is set up as a publisher.

C.
You should utilize merge duplication along with each portable computer that is set up as a subscriber.

D.
You should utilize SQL Server Integration Services (SSIS) to promote the date modification and pull updates to the Sales database along with the SSIS packages, on demand.