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An administrator is notified that a resource group has failed over from the home node, Node1 to a standbynode, Node2 and that Node1 has been powered off. Upon restarting Node1 the administrator checks the AIXerror log and the cluster.log
Which of the following is the most likely cause of the failure of Node1?()

A . The operating system crashed
B . A disk failure forced a volume group off line
C . The System Resource Controller executed a system halt
D . The topology services daemon has crashed due to an ODM mismatch

You want to migrate your existing non­ASM files to ASM files for the database PROD. Which method or command would you use to accomplish this task?() the CONVERT command of RMAN。 Data Pump Export and Import into the same database。 conventional export and import into the same database。 the BACKUP DATABASE and RESTORE DATABASE commands of RMAN。 the BACKUP AS COPY DATABASE and SWITCH DATABASE TO COPY command of RMAN。 使用花泥前,用手把它按至水底即可。 Your company has two SQL Server 2005 computers named SQL1 and SQL2. A user in your company named Eric writes many ad hoc queries against the company databases. Eric has access to the Customer database on SQL1. He does not have access to the Sales database on SQL2. You need to ensure that Eric can write queries that join information from both servers. What should you do first?() Create a linked server on SQL1 to SQL2. Configure the linked server to use impersonation. 。 Create a linked server on SQL1 to SQL2. Configure the linked server to use mapped logins. 。 Instruct Eric to write the queries on SQL2 by using the OPENQUERY statement and specifying SQL1 as the server name. 。 Instruct Eric to specify SQL Server object names by using four-part notation.&e。 You need to cleanse and standardize the data on potential survey participants prior to inserting it into the staging database. What should you do?() Import the data into a staging table by using the OPENROWSET BULK statement. Execute a Transact-SQL stored procedure to cleanse the data and to insert the data into the database.。 Import the data into a staging table by using the BULK INSERT statement. Execute a Transact-SQL stored procedure to cleanse the data and to insert the data into the database.。 Create a SQL Server Integration Services (SSIS) package to import, standardize, and cleanse the data.。 Create a CLR stored procedure to import the data into a staging table, to cleanse and standardize the data, and to insert the data into the database.。 原发性血小板增多症患者作血小板功能测定时,不会出现哪种变化() 对胶原的反应减低。 血小板致密颗粒减少。 血浆中VWF活性减低。 血小板膜α-肾上腺素能受体减少。

An administrator is notified that a resource group has failed over from the home node, Node1 to a standbynode, Node2 and that Node1 has been powered off. Upon restarting Node1 the administrator checks the AIXerror log and the cluster.log
Which of the following is the most likely cause of the failure of Node1?()

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