1z1-902 試験問題を無料オンラインアクセス

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 v$SYSTAT and filter for the statistic 'cell smart table scan', associated to your table.
• B.You run the CellCli-command list activerequest , filtering for the attributes ioReason and objectNumber, that you specify as 'Smart Scan' and the Object ID of your table from DBA_OBJECTS.
• C.You query v$segment_statistics and filter for the Object ID of your table from dba_objects and the the column STATISTIC_NAME='optimized physical reads'.
• D.YOU query VSSYSTEM_EVENTS and filter for the event 'cell physical IO interconnect bytes returned by smart scan', associated to your table.

Which of the following is NOT a requirement when validating, receiving, unpacking, and planning access route and space requirements for Exadata Database Machine?

• A.The entire access route to the installation site should be free of raised-pattern flooring that can cause vibration.
• B.All four leveling and stabilizing feet should be raised and out of the way prior to moving the rack.
• C.The incline of any access route ramp must be less than or equal to 6 degrees.
• D.A conditioned space is required to remove the packaging material to reduce particles before entering the data center.
• E.Oracle Exadata Rack may only be installed on raised floor environments.
• F.914mm of space required above the rack height is required for maintenance access.

An Exadata storage server physical disk on an X9M-2 high-capacity full rack entered the predictive failure state. Which two steps must you perform to replace this failed physical disk?

• A.Verify that the griddisks located on the physical disk have been successfully dropped from the associated ASM diskgroups.
• B.Identify the griddisks located on the failed physical disk and drop them from the associated ASM diskgroups.
• C.Rebalance the data on the effected griddisks before performing a manual drop command.
• D.Replace the failed physical disk.
• E.Create a new celldisk and new griddisks on the replaced physical disk.
• F.Add the griddisks back into the ASM diskgroup they used to be a member of.

Which two statements are true in regards to starting the Exadata Virtual Machine?

• A.Use vm_maker -start-domain to start a virtual machine manually.
• B.To streamline the diagnosis of virtual machines, one ISO file is used for multiple Oracle Exadata System Software releases.
• C.To see Oracle Linux boot messages during guest startup, use -console option with the vm_maker -start-domain command.
• D.Use vm_maker boot-from-iso command to boot a virtual machine.
• E.Use vm_maker -auto-start command to configure a virtual machine to start automatically when the KVM host is started.

Which three statements are true about the Grid Infrastructure configuration after a nonvirtual deployment of a new Exadata Database Machine with a single cluster?

• A.The ora. diskmon clusterware resource is enabled and online.
• B.Three Single Client Access Name (SCAN) listeners are configured on the RDMA over Converged Ethernet (RoCE) network.
• C.Grid Infrastructure uses the management network as the cluster interconnect.
• D.The OCR is multiplexed in the DATA_<DBM__NAMe> and RECo_<dbm_name> diskgroups.
• E.Grid Naming Service (GNS) is not configured.
• F.Three Single Client Access Name (SCAN) listeners are configured on the client access network.