Question # 1
You are hardening the security posture of your Exadata Database Machine. Before disabling ssh access to the storage servers, what should you do to enable REST access to the MS process? | | A. Install Oracle Rest Data Services on each Database server and install the MS APEX application. | | B. The MS Process on the storage servers is natively endowed with REST services, but are not enabled by default. | | C. Install Oracle Rest Data Services on each Storage server and install the MS APEX application. | | D. The MS Process on the storage servers is natively endowed with REST services and are enabled by default, however, appropriate roles and users should be created to ensure security. |
D. The MS Process on the storage servers is natively endowed with REST services and are enabled by default, however, appropriate roles and users should be created to ensure security.
Question # 2
What are two recommended configuration best practices for backup and recovery on Exadata? | | A. Placing the backup network on dedicated switches installed in the top of the rack (ToR) has the benefits of isolating the backup network from other workloads and providing a greater level of control. | | B. Even if the backup was limited to writing to four tape drives, eight channels could be specified to expedite the restore process. | | C. The internal Recovery Appliance backup and restore processing is optimized when the RMAN FILESPERSET parameter is set to 1 for the level 1 incremental backup set. | | D. When off-site long-term backup retention is needed, use Oracle Database Backup Cloud Service as a low-cost, offsite scalable storage for a disaster recovery solution. |
B. Even if the backup was limited to writing to four tape drives, eight channels could be specified to expedite the restore process. C. The internal Recovery Appliance backup and restore processing is optimized when the RMAN FILESPERSET parameter is set to 1 for the level 1 incremental backup set.
Question # 3
Which are two correct statements about backing up Exadata Database Machine? | | A. Backup of the Oracle Cluster Registry, which also contains Voting Disk information, is automatically maintained on the file system of the first database server. | | B. Backing up Exadata Storage Server Software is critical for restoration. | | C. For high availability, system area can be on the first two disks and M.2 devices. | | D. The M.2 disk is hot pluggable and can be replaced when the power is on, but you will have to restore the system data manually. | | E. Use a snapshot-based backup of an Oracle Exadata Database Machine database server software. |
D. The M.2 disk is hot pluggable and can be replaced when the power is on, but you will have to restore the system data manually. E. Use a snapshot-based backup of an Oracle Exadata Database Machine database server software.
Question # 4
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 |
B. corruption in the / (root) filesystem D. the failure of physical disk 0 and 11
The rescue procedure is necessary when system disks fail, the operating system has a corrupt file system, or there was damage to the boot area. If only one system disk fails, then use CellCLI commands to recover. In the rare event that both system disks fail simultaneously, you must use the Exadata Storage Server rescue functionality provided on the Oracle Exadata Storage Server Software CELLBOOT USB flash drive.
Question # 5
Which four actions should you take before proceeding with applying updates to your Exadata Database Machine? | | A. Consult My Oracle Support note 888828.1 to determine the current recommended Exadata software release. | | B. Check the Exadata Critical Issues My Oracle Support note 1270094.1 for any issues not added to the latest version of exachk. | | C. Run exachk and resolve only WARNINGS that you have not seen before. | | D. Run the appropriate patchmgr preqequisite check step for each component being
updated. | | E. Run patchmgr --all_comp —autofix —autobackup —upgrade —rolling. |
A. Consult My Oracle Support note 888828.1 to determine the current recommended Exadata software release. D. Run the appropriate patchmgr preqequisite check step for each component being
updated. E. Run patchmgr --all_comp —autofix —autobackup —upgrade —rolling.
Question # 6
You want to monitor how a large production table is accessed. Especially, you are interested to see how the access on that particular table leverages the benefits of the Exadata Platform. Which two actions are NOT appropriate for that purpose? | | A. YOU query VSSYSTEM_EVENTS and filter for the event 'cell physical IO interconnect bytes returned by smart scan', associated to your table. | | B. You query v$segment_statistics and filter for the Object ID of your table from dba_objects and the the column STATISTIC_NAME='optimized physical reads'. | | C. You query v$SYSTAT and filter for the statistic 'cell smart table scan', associated to your table. | | D. You run the CellCli-command list activerequest , filtering for the attributes ioReason and objectNumber, that you specify as 'Smart Scan' and the Object ID of your table from DBA_OBJECTS. |
A. YOU query VSSYSTEM_EVENTS and filter for the event 'cell physical IO interconnect bytes returned by smart scan', associated to your table. B. You query v$segment_statistics and filter for the Object ID of your table from dba_objects and the the column STATISTIC_NAME='optimized physical reads'.
Question # 7
Which two of the following network connection types can be deployed on the client network ports of an Exadata X9M-2 Database Server? | | A. 2x 25Gb ports on eth1 and eth2 using SFP28 transceivers and OM4 fiber cable for backup network, and 2x 25Gb ports on eth5 and eth6 using SFP28 transceivers and OM4 fiber cable for client network | | B. 2x 25Gb ports on eth1 and eth2 using SFP28 transceivers and OM4 fibre cable for client network, and 2x 10Gb ports on eth9 and eth10 using RJ45 cat6 cable for backup network | | C. 2x 10Gb ports on eth1 and eth2 using FU45 cat6 cable for client network, and 2x 25Gb ports on eth11 and eth12 using SFP28 transceivers and OM4 fiber cable for backup network | | D. 2x 25Gb ports on eth1 and eth2 using SFP28 transceivers and OM4 fiber cable for backup network, and 2x 10Gb ports on eth3 and eth4 using RJ45 cat6 cable for client network |
C. 2x 10Gb ports on eth1 and eth2 using FU45 cat6 cable for client network, and 2x 25Gb ports on eth11 and eth12 using SFP28 transceivers and OM4 fiber cable for backup network D. 2x 25Gb ports on eth1 and eth2 using SFP28 transceivers and OM4 fiber cable for backup network, and 2x 10Gb ports on eth3 and eth4 using RJ45 cat6 cable for client network
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