Vendor: Oracle
Exam Code: 1Z0-902
Exam Name: Oracle Exadata Database Machine X9M Implementation Essentials
Certification: Oracle Certifications
Total Questions: 60 Q&A
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Updated on: Jun 19, 2026
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Which are two valid reasons for executing an X9M-2 Exadata storage server rescue procedure?
A. the failure of physical disk 1
B. corruption in the / (root) filesystem
C. the failure of both physical M.2 disks
D. the failure of physical disk 0 and 11
E. moving all disks from one cell to another as part of a chassis-level component failure
F. accidental loss of all data from all griddisks in a storage server
G. corruption in a normal or high redundancy ASM diskgroup
You are adding a disk expansion kit to a running Exadata X8M Database Machine's Database Servers, and have a filesystem layout that includes:

After running the following commands, which command needs to be run to add 20G of space to the filesystem mounted on /u01?

A. # lvextend -L +20G --verbose /dev/mapper/VGExaDb-LVDbOral
B. # xfs_growfs /uOl +20G
C. # resize2fs +20G /dev/VGExaDb/LVDbOral
D. # lvextend -L +20G --verbose /dev/VGExaDb/LVDbOral
Which two Exadata security features would you configure to control which databases can access which griddisks, when multiple databases share space on your storage servers in an unpartitioned storage grid?
A. Exadata storage realms using ASM-scoped security mode
B. File permissions on the griddisks in each database server
C. Using EXADCLI instead of CELLCLI to create the griddisks
D. File permissions on the griddisks in each storage server
E. Exadata storage realms using database-scoped security mode
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