A system administrator needs to maintain 1.2TB of storage for a database server. There are six 250GB drives available in the server for storage space. Which of the following RAID configurations would be the BEST choice given that performance and fault tolerance are important factors?（）A. RAID 1 across drive pairs totaling 3 pairsB. RAID 5 across all 6 drivesC. RAID 10 across all 6 drivesD. RAID 0 across all 6 drives
A system administrator needs to maintain 1.2TB of storage for a database server. There are six 250GB drives available in the server for storage space. Which of the following RAID configurations would be the BEST choice given that performance and fault tolerance are important factors?（）
A. RAID 1 across drive pairs totaling 3 pairs
B. RAID 5 across all 6 drives
C. RAID 10 across all 6 drives
D. RAID 0 across all 6 drives
相关考题：
You are a database administrator in the Los Angeles branch office of a specialty foods supplier. A mainframe. database at the headquarters contains all company data. Each branch office contains a SQL Server 2000 computer that imports regional data from the mainframe. database.The server in Los Angeles contains a Data Transformation Services (DTS) package that uses OLE DB to connect to the company's mainframe. database. The DTS package extracts and transforms data about buyers and products for that region. The DTS package then writes the data to the SQL Server database in Los Angeles.You need to configure a SQL Server computer for the new branch office in Sydney. You want to copy the Los Angeles package and modify it so that it writes data to the SQL Server database in Sydney.You use the DTS Designer to modify the DTS package so that it imports regional data from the mainframe. database to the server in Sydney. The modified DTS package runs successfully on the server in Los Angeles. You save this DTS package to the server in Sydney, but the server in Sydney cannot connect to the mainframe. database.You want to enable the server in Sydney to connect to the mainframe. database. What should you do?A．Change the connection properties in the DTS package so that the package uses new login credentials to connect to the mainframe. database.B．Modify the workflow in the DTS package so that the server in Sydney is included.C．On the server in Sydney, install an OLE DB provider for the mainframe. database.D．On the server in Sydney, delete and then re-create the DTS package.
Onlythosewhocantolosetheirmoneyshouldmakehigh-riskinvestments.A)affordB)endureC)sustainD)maintain
下面是该网站中数据库连接程序conn.inc的代码，请在空白处填入相应的程序代码。＜%Setcorm=server.(1)("adodb.connection")conn.provider="sqloledb"provstr="server=127.0.0.1；database=(2)；uid=(3)；pwd=(4)"conn.open(5)%＞
Youhavecreatedascriptintherecoverycatalogcalledbackup_database.Whichofthefollowingcommandswouldsuccessfullyexecutethatscript?() A.run{openscriptbackup_database；runscriptbackup_database}B.run{engagescriptbackup_database；}C.run{runscriptbackup_database；}D.Run{executescriptbackup_database；}E.Thenamebackup_databaseisaninvalidnameforanRMANscript.TryingtorunitfromRMAN wouldresultinanerror.
You enabled an audit policy by issuing the following statements:SQL AUDIT POLICY ORA_DATABASE_PARAMETER BY SCOTT;SQL AUDIT POLICY ORA_DATABASE_PARAMETER BY SYS, SYSTEM;For which database users and for which executions is the audit policy now active? （）A. SYS, SYSTEMB. SCOTTC. Only for successful executionsD. Only for failed executionsE. Both successful and failed executions
You wish to enable an audit policy for all database users, except SYS, SYSTEM, and SCOTT.You issue the following statements:SQL AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS;SQL AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYSTEM;SQL AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SCOTT;For which database users is the audit policy now active?（）A. All users except SYSB. All users except SCOTTC. All users except sys and SCOTTD. All users except sys, system, and SCOTT
使用snmptuil.exe 可以查看代理的 MiB对象,下列文本框内oid部分是（ ）.C:\ Users\Administrator> snmptuil get 192.168.1.31 public.1.3.6.1.2.1.1.3.0Variable=system.sysUpTime.0Value=TimeTicks 1268830A.192.168.1.31B.1.3.6.1.2.1.1.3.0C.system.sysUpTime.0D.TimeTicks 1268803
下面哪一个语句创建了值为storage的宏变量location？ （）A．let location = storage;B．let location = storage;C．%let location = "storage";D．%let location = storage;
5、当 env 传入参数为对象时，可以指定各个服务的默认环境，以下正确的可选字段是？A．environment 数据库的运行环境B．database 数据库 API 默认环境配置C．storage 存储 API 默认环境配置D．functions 云函数 API 默认环境配置