1Z0-338 Online Practice Questions and Answers

In which three ways can customers access the ILOM interface to manage the Exadata database and storage server hardware components? (Choose three.)

A. ILOM CLI interface through the management network

B. ILOM Web interface through the management network

C. remote KVM session to the ILOM

D. from the database server operating system tool "ilomcli"

E. from the storage server operating system tool "ilomcli"

You are measuring the I/O savings provided by storage indexes for Table A. One of your scripts displays the I/O sayings as a result of the storage indexes.

Which two statements are true? (Choose two.)

A. The accumulated I/O saved by the storage index is 1.68 MB.

B. The storage indexes reduced the amount of physical I/O bytes significantly for this query.

C. Since the database was started, no queries were run against this table with the same predicate.

D. The storage index data is not on the Cell Server's region index memory structures yet because this predicate has not been used.

E. The storage indexes were disabled by using the DISABLE_STORAGE_INDEX parameter.

How would you ensure that batch jobs don't impact the performance of online queries that use the same database?

A. Configure resource plans by using the I/O Resource Manager on the storage cells, giving priority to query workloads.

B. Configure and enable Parallel Query.

C. Deploy Instance Caging to control batch jobs.

D. Build a Database Resource Management Plan, giving priority to query workloads.

E. Configure IORM to disable Flash Cache usage for batch workloads.

Your Exadata Cloud instance has been fully provisioned and you continue the setup by logging in to the newly created Virtual Machines (VMs) by using SSH.

Which two default usernames can be used to log in to the VMs? (Choose two.)

A. administrator

B. oracle

C. root

D. system

E. opc

Which three options describe the flash memory capabilities of the Exadata X6-2 database and storage servers? (Choose three.)

A. no flash storage on the database server

B. 4 x 3.2 TB NVMe flash cards on the HC storage server

C. 8 x 3.2 TB NVMe flash cards on the EF storage server

D. 4 x 3.2 TB NVMe flash cards on the database server

E. 8 x 3.2 TB NVMe flash cards on the HC storage server

What type of SRs does the ASR Manager generate for Exadata?

A. operating system components

B. software assets

C. hardware assets

D. data entry errors

E. backup and restore failures

Which two statement are true about enabling the write-back flash cache?

A. When enabling the write-back-flash-cache in a rolling manner dbcli should be used to inactivate the grid disks on all cells first.

B. Before write-back-flash-cache is enabled you need to drop the flash cache first.

C. Write back flash cache requires a minimum required software version.

D. When enabling write-back-flash-cache in a non-rolling manners it is important to ensure that asmdeactivationoutcome is set to yes and asmmodestatus is set to online for all grid disks.

E. flashcachemode should be set to write back by updating cellinit.ora and restarting cellsrv.

Which characteristics of DBFS on Exadata would you suggest as being a key benefit?

A. When using DBFS customers will not need to use FUSE or any client software to administer the file system.

B. DBFS offers tremendous I/O bandwidth.

C. Tens of thousands of files are the perfect use case for DBFS on Exadata.

D. DBFS in an Exadata environment is faster than an NFS mount system because of smart scan performance gain.

E. DBFS allow customer to store LOB and CLOB files external to database for more flexibility.

Which three steps should you perform before executing the following command which will set the cell flash cache mode to write back? # cellcli -e alter cell flashcachemode=writeback

A. Inactivate all physical disks on the cell.

B. Shutdown the cellsrv services on the cell.

C. Disable the storage indexes on the cell.

D. Inactivate the grid disks on the cell.

E. Create a new flash cache on the cell.

F. Drop the existing flash cache on the cell.

When a customer use Enterprise Manager to monitor and maintain their Exadata machine, which protocol does enterprise manager uses to send and receive information about component failure event and status.

A. ILOM

B. ICMP

C. RPC

D. IPMI

E. SNMP