Free Oracle 1z1-485 Exam Dumps Questions & Answers

Which Exadata feature eliminates unnecessary data transfers between database nodes and storage?

• A.  database views
• B.  high performance SAS2 disk drives
• C.  cell offloading
• D.  Flash Cache
• E.  InfiniBand networking

Your customer has purchased their brand new Exadata Database Machine X3-2 Full rack to achieve 20-TB-per-hour backups on their 300 TB database.

You have been called to determine why they are not able to achieve even half that rate. Use the information in the image below to identify two reasons their backups are still slow.

• A.  Exadata backups are being performed using RMAN over the 10 Gigabit Ethernet network.
• B.  The Media Server to Tape Library transfer is causing a bottleneck.
• C.  LVM snapshots are not configured properly on the Database Server.
• D.  The number of tape drives is causing a bottleneck.
• E.  The number of database servers is causing a bottleneck.

Which two statements appropriately describe the backup and recovery procedures on Exadata?

• A.  Data stored in a database is backed up and restored by using CellCLI commands.
• B.  Cell software backup is performed through CellCLI and cell recovery is accomplished by using a rescue procedure.
• C.  Database server software backup is automatic and recovery is accomplished by using a rescue procedure.
• D.  Data stored in a database is backed up and restored by using RMAN commands.
• E.  Cell software backup is automatic and cell recovery is accomplished by using a rescue procedure.

Exadata Database Machine offers an Intelligent Platform Management Interface for the various components in the Exadata product. Which option is true?

• A.  IPMI can be used to remotely start and stop servers.
• B.  IPMI settings can be secured by backing up the Oracle Linux installation on the storage system.
• C.  IPMI commands can be executed by using SNMP traps.
• D.  IPMI can be used to remotely log in to the operating system.

A control file tracks the physical components of a database. It is the root file that the database uses to find all the other files used by the database. Because of the importance of the control file, Oracle recommends that the control file be __________?

• A.  stored on an HA USB Drive, to ensure that it does not get overwritten
• B.  multiplexed, or have multiple identical copies
• C.  managed by EM12c, to ensure proper maintenance
• D.  size constrained, to prevent size overruns