dd
tar
cpio
mksysb
第1题：
Asystemadministratorisattemptingtorestoresomefilesfromabackuptape.Therestorefailed.Thesystemadministratorsuspectstheblocksizeofthetapedriveisincorrect.Whichofthefollowingcommandscanbeusedtodeterminetheblocksizeofthebackuptape？（）
A.dd
B.tar
C.cpio
D.restore
第2题：
A system administrator needs to backup datavg which contains a database that pre-allocates files by padding them with nulls, similar to treating them as sparse files. In order to effectively backup and be able to restore the datavg files, which backup method should be used?（）
第3题：
Onthedevelopmentdatabaserac0，therearesixrawdevices：/dev/raw/raw1through/dev/raw/raw6./dev/raw/raw1and/dev/raw/raw2are8GBeach，andtherestare6GBeach.Anexistingdiskgroup+DATA1，ofNORMALREDUNDANCY，uses/dev/raw/raw1and/dev/raw/raw2.Whichseriesofthefollowingcommandswilldroponeofthefailuregroupsfor+DATA1，createanewdiskgroup+DATA2usingtwooftheremainingfourrawdevices，andthencancelthedropoperationfrom+DATA1？（）
A.A
B.B
C.C
D.D
第4题：
A System p administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect. Which of the following commands can be used to determine the block size of the backup tape （）
第5题：
A system administrator has an existing mksysb image, but would like to modify the image.data file on the mksysb before installing it on a system. Which of the following procedures is most appropriate to perform?（）
第6题：
A system administrator needs to backup datavg which contains a database that pre-allocates files by padding them with nulls, similar to treating them as sparse files. In order to effectively backup and be able to restore the datavg files, which backup method should be used?（）
A.savevg
B.tar
C.cpio
D.mksysb
第7题：
A system administrator has a server experiencing performance problems with logical volumes within a particular volume group. Which command can report I/O statistics for logical partitions with each logical volume within the volume group？（）
第8题：
A.dd
B.tar
C.cpio
D.mksysb
第9题：
An administrator has a server experiencing performance problems with logical volumes within a particular volume group. Which command can report I/O statistics for logical partitions with each logicalvolume within the volume group（）
第10题：
A system administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect. Which of the following commands can be used to determine the block size of the backup tape？（）