Oracle 1Z0-569 Online Practice Questions and Exam Preparation

Oracle 1Z0-569 Online Questions & Answers

• Question 11:

  In a reference Exalogic topology, all compute nodes .

  A. Use locally installed application binaries for execution
  B. Are subdivided using InfiniBand partitions based on application deployment topology
  C. Remotely access software binaries installed on the shared Sun ZFS storage
  D. Use SDP for all interprocess communication
  D. Use SDP for all interprocess communication

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  Reference: http://www.oracle.com/us/products/middleware/Exalogic-software-overview- 345527.pdf (page 13, first paragraph)

• Question 12:

  Which application isolation deployment method are used in Exalogic Topology

  A. IP subnets layered above the default IPoIB link
  B. IP Aliasing
  C. Create VLAN's
  D. Partitioning Infiniband
  A. IP subnets layered above the default IPoIB link

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  http://docs.oracle.com/cd/E18476_01/doc.220/e18479/overview.htm#CJACDEJE

• Question 13:

  Which two statements are true about what you can do with Oracle Enterprise Manager Ops Center?

  A. You can launch the ILOM console.
  B. You can launch the storage appliance UI.
  C. You can start Node Manager.
  D. You can launch the Exalogic Configurator spreadsheet.
  A. You can launch the ILOM console.
  B. You can launch the storage appliance UI.

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  Reference: http://docs.oracle.com/cd/E24628_01/doc.121/e18416/chapter_assetmgmt.htm (Managing a Sun ZFS storage appliance)

  The ILOM management interface is integrated with Oracle Enterprise Manager Ops Center.

  Note: Oracle Integrated Lights Out Manager (ILOM)

• Question 14:

  Which statement is correct about enterprise Management Ops Center?

  A. To monitor Exalogic's hardware components, you must install Enterprise Manager Ops Center on one of the Exalogic compute nodes.
  B. To monitor Exalogic's hardware components, you must install enterprise Manager Ops Center on all Exalogic compute nodes.
  C. To monitor Exalogic's hardware components, you must install Enterprise Manager Ops Center on Exalogic storage appliance.
  D. You can install Enterprise Manager Ops Center outside of Exalogic.
  D. You can install Enterprise Manager Ops Center outside of Exalogic.

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  Reference: http://docs.oracle.com/cd/E18476_01/doc.220/e18478/manage.htm (Prerequisites)

• Question 15:

  Which two JARs/WARs must be deployed on WebLogic Server to Coherence Web to function properly on Exalogic?

  A. Coherence.jar
  B. Active -cache.jar
  C. Active -cache.war
  D. Coherence -web -spi.war
  E. Sdp.jar
  A. Coherence.jar
  D. Coherence -web -spi.war

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  Reference: http://docs.oracle.com/cd/E18686_01/coh.37/e18690/cweb_wls.htm

• Question 16:

  Which profile configuration results in data loss even if a single disk fails?

  A. Single parity RAID, narrow stripes
  B. Mirrored
  C. Striped
  D. Double parity RAID
  A. Single parity RAID, narrow stripes

• Question 17:

  Which is true about how GridLink is used?

  A. Gridlink is used to enhance database access between Exalogic and Exadata machines.
  B. Gridlink provides transaction affinity for data locality only when the target database is installed on an Exalogic machine.
  C. Gridlink doesn't have to use SQLNet SDP to achieve its outstanding JDBC performance.
  D. Gridlink is used in Exadata, but not by Exalogic.
  A. Gridlink is used to enhance database access between Exalogic and Exadata machines.

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  Gridlink is used to enhance database access between Exalogic and Exadata machines.

• Question 18:

  What is the main difference between a multi-datasource and an Active GridLink datasource?

  A. There is no difference. They are just different terms referring to the same construct and capability.
  B. An Active GridLink datasource is able to respond to FAN events to provide Fast Connection Failover (FCF), Runtime Connection Load-Balancing (RCLB), and RAC instance graceful shutdown.
  C. An Active GridLink datasource is designed specifically for Exadata and cannot be used with any other RAC database.
  D. A multi-datasource is meant to work only with non-Oracle high-availability datasources.
  B. An Active GridLink datasource is able to respond to FAN events to provide Fast Connection Failover (FCF), Runtime Connection Load-Balancing (RCLB), and RAC instance graceful shutdown.

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  Reference: http://www.oracle.com/technetwork/middleware/weblogic/gridlink-rac-wp-494900.pdf (Active Gridlink for Rac, first paragraph)

  *

  (FAN) With Active GridLink, WebLogic subscribes to the database's Fast Application Notification (FAN) events using Oracle Notification Services (ONS). This allows the

  WebLogic connection pool to make more informed runtime load-balancing decision based on the current workload of each RAC node. By sending database calls to the node with lowest current workload, the average latency of user request/ response times is reduced.

  *

  (FCF) Additionally, Active GridLink uses Fast Connection Failover (FCF), which also uses the notification events, to enable rapid database failure detection for greater application resilience. This feature also eases the system management overhead by allowing

  WebLogic to automatically reconfigure its connection pool, in the event of planned additions or removals of RAC nodes.

  Note: A new technology component has been added to WebLogic Server on Exalogic called 'Active

  GridLink for RAC (Real Application Clusters)'. Active GridLink for RAC provides optimized

  WebLogic-to-Oracle RAC database connectivity by interfacing WebLogic Server directly with the Oracle RAC protocols. This new technology supersedes the existing WebLogic Server capability commonly referred to as 'Multi-Data-Sources'. Active GridLink for RAC provides more intelligent load-balancing across RAC nodes based on the current workload of each RAC node, faster connection failover if a RAC node fails and more transparent RAC node location management. Active GridLink is also able to handles global transactions more optimally, where multiple individual database operations have been encapsulated into a single atomic transaction, by the enterprise Java application. The net effect is, for enterprise Java applications involving intensive database work, applications achieve a higher level of availability with better throughput with reduced and more consistent response times. In addition to the performance benefits, Active GridLink for RAC (figure 3), also simplifies the configuration of Data Sources in WebLogic Server, reducing the number of configuration artifacts required for Oracle RAC connectivity and mostly eliminating RAC Service configuration changes from having a corresponding change in WebLogic Server.

  Reference: Oracle Exalogic Elastic Cloud: Software Overview, Oracle White Paper

• Question 19:

  Exalogic uses which techniques to dramatically enhance workload throughput and drastically cut latency? (Choose two)

  A. Serial muxer
  B. Parallel muxer
  C. 1.5K packet sizes
  D. Larger packets >= 32K
  B. Parallel muxer
  D. Larger packets >= 32K

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  Exalogic uses a parallel muxer and large packets >= 32K to dramatically enhance workload throughput and drastically cut latency.

• Question 20:

  If you are configuring two WebLogic clusters of managed servers across four Exalogic compute nodes, how many Node Manager Instances will you configure?

  A. One dedicated Node Manager instance per compute node
  B. One Node Manager instance shared by four compute nodes
  C. One Node Manager instance per WebLogic cluster
  D. Two Node Manager instances shared by four compute nodes
  A. One dedicated Node Manager instance per compute node

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  Reference: http://docs.oracle.com/cd/E18476_01/doc.220/e18479/create_domain.htm