Free Access Oracle.1Z0-902.v2024-04-18.q65 Practice Test (Page 2)

Question 1

You are updating your Exadata X9M-2 Elastic Database Machine with 6 database servers and 12 High Capacity Storage Servers. You will be using patchmgr to apply updates across the entire machine while still maintaining database availability.
Assuming you are driving patchmgr from an external server, which statement is true about the execution phase?

A.patchmgr must be invoked with the -rolling argument. Each component type must be upgraded independently of the other.

B.patchmgr cannot apply updates in a rolling manner, you must manually apply patches with the dbnodeudpate and cellupdate tools if high availability is required.

C.patchmgr will apply patches in component groups consisting of 1 database server and 2 storage servers to minimize disruption.

D.patchmgr must be invoked with the -rolling argument with all database and storage servers listed in a single input file.

Question 2

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.

Question 3

I/O performance of the prod database on your Exadata Database Machine has degraded slightly over the past month. The database has been allocated to the OLTP I/O Resource Management (IORM) category.
Which two monitoring tools might be useful in examining I/O performance for the prod database?

A.OS I/O metrics using Enterprise Manager host pages for the storage servers

B.OS I/O metrics using OS tools such as iostat on the database servers

C.I/O-specific dynamic performance views such as v$iostat_fiie, v$iostat_function, and v$iostat_consumer_group from the prod database instances using SQL *p1us

D.cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk

E.OS I/O metrics using OS tools such as iostat on the storage servers

Question 4

Which dbmcli command is NOT valid on Exadata X9M?

A.dbmcli -e "LIST METRICHISTORY WHERE name LIKE 'DS_.*'"

B.dbmcli -e "LIST METRICCURRENT WHERE name = 'DS_TEMP' "

C.dbmcli -e "LIST IBPORT DETAIL"

D.dbmcli -e "LIST ALERTHISTORY WHERE agelnMinutes < 15"

Question 5

You have configured a multirack Database Machine with two X9M-8 full racks all in a single cluster and storage grid comprising a total of 4 X9M-8 Database servers and 28 X9M-8 Storage servers.
Which two options are true regarding the servers on which Enterprise Manager agents must be deployed in order to monitor all components of this multirack configuration?

A.on all database servers and at least two storage servers in both racks

B.on only one database server in both racks

C.on all database servers in the second rack

D.on all database servers in both racks and one storage server in each rack

E.on all database servers in the first rack

F.on all storage servers in both racks

G.on at least two storage servers in both racks

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