MCTSMCTS(70-432)单项选择题每日一练(2019.01.25)

单项选择题
You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. The instance contains a database named DB1. An application which is continuously connected uses DB1. The application extensively uses the INSERT command and triggers the population of multiple tables. Now you notice that the application has a poor performance. You doubt that this problem has something to do with blocking. You have to monitor the state of the instance at regular intervals while not affecting the application performance further. Which tool should you use? （）
A.You should use Dynamic Management Views
B.You should use SQL Server Resource Governor
C.You should use SQL Server Profiler
D.You should use Windows System Monitor
单项选择题
You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named named Dworks in the instance. The Dworks table has a table named BillDetails which has a clustered primary key named BillId on the BillId column. The BillDetails table has a single XML column named GoodsDetails. The XML column has an XML index and XML data are stored in this XML column. A new column named GoodsID is added to the BillDetails table. GoodsID must be included in the primary key. So what action should you perform to achieve this goal？（）
A.You should drop the XML index on the table. Modify the primary key. Recreate the XML index
B.You should alter the XML index and set the ALLOW_ROW_LOCKS = OFF option. Alter the primary key and set the ALLOW_ROW_LOCKS = ON option.
C.You should move the XML data to a temporary table. Clear the XML data from the original table by setting the GoodsDetails column to NULL. Modify the primary key. Repopulate the ProductSpecs column.
D.You should disable the XML index on the GoodsDetails column. Modify the primary key.Enable the XML index on the ProductSpecs column.
单项选择题
You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. Today you notice that applications that run on the server have poor performances. You doubt that this has something to do with table scans. You have to capture the appropriate information by using an appropriate Windows System Monitor object. In the options below, which performance object should you use? （）
A.You should use SQLServer:Buffer Manager
B.You should use SQLServer:Memory Manager
C.You should use SQLServer:Databases
D.You should use SQLServer:Access Methods
单项选择题
You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. You have set the recovery model of DB1 to Full. At 2：00 There is a full database backup of all the user databases every day. Every quarter the transaction log backup is performed. Every 4 hours a differential backup is occurred. You are going to perform a full backup of DB1 at 11：00. When you perform this back up， you must make sure that the overall backup will not be affected. What'；s more， you have to restore procedures for DB1. You must make sure that the backup files are restored in proper sequence. In the options below， which Transact-SQL statement should you use？（）
A.BACKUP LOG DB1 TO DISK = 't:\backups\db1.trn';
B.BACKUP DATABASE DB1 TO DISK = 't:\backups\db1.bak' WITH DIFFERENTIAL;
C.BACKUP DATABASE DB1 TO DISK = 't:\backups\db1.bak' WITH NOUNLOAD;
D.BACKUP DATABASE DB1 TO DISK = 't:\backups\db1.bak' WITH COPY_ONLY;
单项选择题
You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance on the same physical computer. Now users report that they are unable to connect to the named instances. You check and verify that they can only connect to the default instance. You also ensure that all SQL Server instances run normally. You have to start the service which is required to connect to the named instances. Which service should you start?（）
A.Server
B.SQL Server Agent
C.SQL Server Browser
D.SQL Active Directory Helper