Which sar option generates real-time disk I/O statistics?（）
A. sar -q
B. sar -P
C. sar -d
D. sar -D
查看答案
Which command will increase the contiguous free space of a file system without having to add additional partitions？（）
A. chfs
B. fsck
C. chlv
D. defragfs
YouwanttoperformthefollowingoperationsfortheDATAASMdiskgroup: Whichcommandaccomplishesthesetasks?（）
ALTERDISKGROUPdataCHECK;
B. ALTERDISKGROUPdataCHECKDISK;
C. ALTERDISKGROUPdataCHECKFILE;
D. ALTERDISKGROUPdataCHECKDISKINFAILUREGROUP1;
To examine the Exhibit, press the Exhibit button. Based on the output of the "netstat -p udp" command as shown in the exhibit, which of the following procedures should be performed?（）
A. Increase the number of nfsd's on the client.
B. Increase the number of biod's on the client.
C. Decrease the number of nfsd's on the server.
D. Increase the size of nfs_socketsize on the server.
ExaminethefollowingRMANcommand: WhichtwostatementsaretrueregardingthebackuptakenbyusingtheaboveRMANcommand?（）
A. Onlydatafilesandthecontrolfilearebackedup.
B. ArchivedredologsarebackeduponlyIfthedatabaseisopenduringthebackup.
C. Thebackupisdeletedafteroneday,regardlessofthedefaultretentionpolicysettings.
D. Thebackupbecomesobsoleteafteroneday,regardlessofthedefaultretentionpolicysettings.
微信支付 
支付宝支付