MCTSMCTS(70-528)單項選擇題每日一練(2019.01.16)

You have an SQL query that takes one minute to execute. You use the following code segment to execute the
SQL query asynchronously.
IAsyncResult ar = cmd.BeginExecuteReader(); You need to execute a method named DoWork() that takes one second to run while the SQL query is executing.DoWork() must run as many times as possible while the SQL query is executing.
Which code segment should you use?（）

Every morning, you inspect your company's development and staging servers. You do this to ensure that the servers have the same versions of all files in your Web application.For security reasons, you can only access the staging server through FTP.You need to synchronize files from the staging server so that the staging server matches the development server.You want to achieve this goal by using the minimum amount of administrative effort.
Which tool should you use?（）
 

You are deploying a Web site to a server managed by a hosting company. The only access you have to the server is through FTP. You need to precompile and deploy the Web site without its source files.
What should you do? （）