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Free Oracle 1Z0-070 Exam Braindumps (page: 2)

Page 2 of 23
PDF with 103 Questions

You are checking the status of the ports on one of the InfiniBand switches on your X5 Database Machine.
You run the getportstatus command as shown:
[root@exampsw-ib2 bin] # getportstatus 17b
Port status for connector 17B Switch Port 2
Adminstate:......................Enabled
LinkWidthEnabled: ...............1X or 4X
LinkWidthSupported:..............1X or 4X
LinkWidthActive..................4X
LinkSpeedSupported: .............2.5 Gbps or 5.0 Gbps or 10.0 Gbps
LinkState: ......................Active
PhysLinkState: ................LinkUp
LinkSpeedActive: ..............10.0 Gbps
LinkSpeedEnabled: .............2.5 Gbps or 5.0 Gbps or 10.0 Gbps
You have 36 ports to check.
Which two methods would you use to check the status of all 36 ports?

  1. Use the ibqueryerrors.pl script after logging in to the InfiniBand switch as root.
  2. Use Enterprise Manager Cloud Control.
  3. Use Enterprise Manager Express.
  4. Create user-defined metrics for the InfiniBand switch.

Answer(s): A,B

Explanation:

There are two approaches for monitoring Oracle Exadata Storage Servers: using a command-line interface (CLI) or using the graphical interface provided by the Oracle Enterprise Manager Cloud Control 12c console.
You can manually monitor the InfiniBand Switch Ports with the ibqueryerrors.pl command. Run the ibqueryerrors.pl command to report on switch port error counters and port configuration information using the command:
# ibqueryerrors.pl -rR -s RcvSwRelayErrors, XmtDiscards, XmtWait, VL15Dropped


Reference:

http://www.oracle.com/technetwork/articles/servers-storage-admin/monitor- exadata-em12-2291964.html



Identify three valid reasons for creating multiple griddisks on a single harddisk-based celldisk.

  1. to implement storage realms so that storage that can be reserved for specific resource consumer groups in the same database
  2. to enable the creation of normal or high redundancy ASM diskgroups
  3. to segregate storage into multiple pools with different performance characteristics
  4. to enable disk mirroring for the system area
  5. to implement storage realms so that storage can be reserved for specific databases
  6. to implement storage realms so that storage that can be reserved for specific Grid Infrastructure

Answer(s): B,C,F

Explanation:

Creating multiple grid disks per cell disk allows you to create multiple pools of storage on the same Exadata Storage Server. The multiple grid disks can be assigned to separate ASM diskgroups, which can be provisioned to different databases.
Note: Griddisk is a logical disk that can be created on a celldisk. In a standard Exadata deployment we create griddisks on hard disk based celldisks only. While it is possible to create griddisks on flashdisks, this is not a standard practice.
F: After you complete the cell configuration, you can perform the following optional steps on the storage cell:


Reference:

https://docs.oracle.com/cd/E80920_01/SAGUG/SAGUG.pdf



Which two are benefits of an active/inactive configured InfiniBand network on Exadata Database Machine X5?

  1. Improved performance for Oracle Network traffic
  2. Improved reliability for Cache Fusion RAC network traffic
  3. Improved reliability when executing Distributed Command Line Interface (DCLI) to run CELLCLI commands
  4. Improved performance for ASM rebalance network traffic
  5. Improved performance when executing Distributed Command Line Interface (DCLI) to run CELLCLI commands

Answer(s): B,C

Explanation:

Active-passive bonding provides reliability through failover.



Which three statements are true about the CELLCLI command?

  1. It can execute commands on multiple storage servers in parallel.
  2. It has command-line history.
  3. It requires root privileges to create CELLDISKS and GRIDDISKS.
  4. It can be executed on storage servers.
  5. It can be executed using the DCLI utility.

Answer(s): B,D,E

Explanation:

The CellCLI utility supports command-line history.
Each Exadata Storage cell can be monitored, configured, and maintained using the cellcli
command line interface.
The dcli utility facilitates centralized management across an Oracle Exadata Storage Server Software realm by automating the execution of CellCLI commands on a set of cells and returning the output to the centralized management location where the dcli utility was run.


Reference:

http://docs.oracle.com/cd/E80920_01/SAGUG/exadata-storage-server- cellcli.htm






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