Online Access Free 1z1-485 Exam Questions

Identify the correct steps required to upgrade a 1/8th rack of Exadata to a 1/4th rack.

• A.Remove the doors of the 1/8th rack.
  Add an additional Sun Datacenter InfiniBand Switch.
  Add the new servers.
  Cable the Database Servers in the rack.
  Cable the Exadata Storage Servers in the rack.
  Close the rack.
  Configure the new hardware.
• B.Activate all cores by using a software command.
  Activate all hard drives and flash drives.
  Create the grid disks.
  Expand the Oracle ASM diskgroups.
  Review the new configuration.
• C.Remove the doors of the 1/8th rack.
  Add the new servers.
  Cable the Database Servers in the rack.
  Cable the Exadata Storage Servers in the rack.
  Close the rack.
• D.Activate all cores by using a software command.
  Activate all hard drives and flash drives.

How would you execute CellCLI commands and scripts?

• A.using SQL*Plus on database nodes
• B.by CellCLI commands executed on the database nodes
• C.directly executing the commands and scripts on the Exadata storage cell
• D.remotely by connecting to Port 1521 using SSL
• E.using third party tools after installing the CellCLI RPM plug-in

After migrating from legacy disk-based configuration, which three approaches would you use to evaluate the efficiency of Exadata Flash Cache?

• A.Evaluate the Smart Flash Logging efficiency metrics via CellCLI.
• B.Check I/O latency on large I/O to Temp in AWR.
• C.Compare Optimized Physical Reads and Total Read Requests in Automatic Workload Repository (AWR).
• D.Review the IOSTAT data that is gathered from each compute node by OS Watcher.
• E.Review the Flash Hit rate via cellcli metrics.

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

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

When an Exadata Storage Server hard disk failure alert is received, what manual action must you take to restore the system to full redundancy?

• A.Replace the disk and manually copy the mirror extents to the new drive.
• B.No manual action is required because ASM rebalancing isautomatic.
• C.Replace the disk and run MegaCLI to rebuild the degenerate mirror.
• D.No manual action is required because Automatic Storage Management (ASM) fast mirror resync is automatic
• E.Run RMAN REPAIR FAILUR