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  • Question
  • Which isolation level does a database without logging default to?


  • Options
  • A. committed read
  • B. dirty read
  • C. mode ANSI
  • D. repeatable read

  • Correct Answer
  • dirty read 


  • IBM Certification problems


    Search Results


    • 1. Which of the following tools can be used to identify inefficient SQL statements without executing them?

    • Options
    • A. QMF
    • B. Task Center
    • C. Visual Explain
    • D. Development Center
    • Discuss
    • 2. What is a chunk when using raw devices?

    • Options
    • A. a dynamic unit of disk space
    • B. a location in shared memory
    • C. a contiguous unit of disk space
    • D. a data table
    • Discuss
    • 3. Where is fragment information stored?

    • Options
    • A. in the physical logs
    • B. in the reserved pages
    • C. in the system catalog tables
    • D. in the first page of the database tblspace
    • Discuss
    • 4. Suppose a customer is planning to create a non-hosted Linux partition on an i825. Linux will have only direct-attach devices. What is the Linux console option?

    • Options
    • A. Use OS/400 VNC support.
    • B. Telnet to the virtual console.
    • C. Share the primary partitions console.
    • D. Allocate a console IOA to the Linux partition.
    • Discuss
    • 5. Which of the following tools is used to create subscription sets and add subscription?set members to subscription sets?

    • Options
    • A. Journal
    • B. License Center
    • C. Replication Center
    • D. Development Center
    • Discuss
    • 6. If there is a lock on an adjacent key, an insert will fail if the isolation level is set to what?

    • Options
    • A. committed read
    • B. repeatable read
    • C. share read
    • D. indexed read
    • Discuss
    • 7. Which of the following is required for the DB2 optimizer to consider a hash join strategy?

    • Options
    • A. Optimization level 1 or above
    • B. Equijion predicates
    • C. Registry variable DB_ANTIJOIN=YES
    • D. SORTHEAP large enough to contain the tables being joined
    • Discuss
    • 8. What does Mean Time to Repair (MTTR) mean?

    • Options
    • A. Average uptime of a service
    • B. Average downtime of a service
    • C. Average time between two consecutive incidents
    • D. Average time of the breakdown-free period within a measured period
    • Discuss
    • 9. Which of the following BEST describes a Service Desk?

    • Options
    • A. A dedicated number of staff handling Incidents and service requests
    • B. A process within Service Operation providing a single point of contact
    • C. A dedicated number of staff handling service requests
    • D. A dedicated number of staff answering questions from users
    • Discuss
    • 10. Which functions are included in IT Operations Management?

    • Options
    • A. IT Operations Control and Facilities Management
    • B. Network Management and Application Management
    • C. Facilities Management and Release Management
    • D. Technical Management and Change Management
    • Discuss


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