DB2 10.1 Advanced DBA for Linux UNIX and Windows v6.0

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Exam contains 117 questions
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What event category is used with the db2audit command to capture SQL data, such as host variable and parameter marker values, that are associated with an SQL statement?

  • A. AUDIT
  • B. VALIDATE
  • C. EXECUTE
  • D. CONTEXT


Answer : C

In which scenario should a DBA consider creating a multidimensional clustering (MDC) table instead of a regular base table?

  • A. To improve access performance for tables in an OLTP database.
  • B. To improve index performance in a data warehouse environment.
  • C. To improve query performance in a data warehouse environment.
  • D. To improve insert/delete performance for tables in an OLTP database.


Answer : C

Which procedure is used to Explain an SQL statement using information obtained from the package cache or the package cache event monitor?

  • A. EXPLAIN_FROM_DATA
  • B. EXPLAIN_FROM_ACTIVITY
  • C. EXPLAIN_FROM_SECTION
  • D. EXPLAIN_FROM_CATALOG


Answer : C

What contributes to the efficient use of block-based buffer pools?

  • A. The application does not use sequential prefetching.
  • B. The application performs a lot of random I/O operations.
  • C. The table space extent size is equal to the block size specified for the buffer pool.
  • D. The table space prefetch size is equal to the block size specified for the buffer pool.


Answer : C

Where is the HADR_TARGET_LIST configuration parameter set?

  • A. On the primary database only.
  • B. On all participating databases.
  • C. On the tertiary standby databases.
  • D. On the auxiliary standby databases only.


Answer : B

What is a benefit of multi-temperature data storage?

  • A. It helps reduce redundant I/O.
  • B. It helps improve data compression ratios.
  • C. It helps reduce storage costs for infrequently accessed data.
  • D. It helps identify data access patterns to aid in storage planning.


Answer : C

What is the preferred method for reclaiming unused storage in a DMS table space?

  • A. Perform an ALTER TABLESPACE...REDUCE operation.
  • B. Perform a REORG on each table within the table space, then perform an ALTER TABLESPACE...REDUCE operation.
  • C. Perform an ALTER TABLESPACE...LOWER HIGH WATER MARK operation, and then an ALTER TABLESPACE...REDUCE operation.
  • D. Perform a REORG on each table within the table space, then perform an ALTER TABLESPACE...LOWER HIGH WATER MARK operation.


Answer : C

What advantage do block-based buffer pools offer compared to regular buffer pools?

  • A. They improve the performance of sequential prefetching by reading contiguous pages from disk and writing them into contiguous pages in a buffer pool.
  • B. They improve the performance of random I/O by reading non-contiguous pages from disk and writing them into near-contiguous free space in a buffer pool.
  • C. They improve the performance of vectored reads by retrieving non-contiguous pages from disk, combining them into extent-sized blocks, and writing the blocks into contiguous pages in a buffer pool.
  • D. They improve the performance of scattered writes by retrieving non-contiguous pages from a buffer pool, combining them into extent-sized blocks, and writing the blocks into contiguous pages on disk.


Answer : A

What are two supported methods for providing a low latency, high speed interconnect between DB2 members and the cluster caching facility (CF) in a DB2 pureScale environment? (Choose two.)

  • A. InfiniBand with RDMA (IB)
  • B. SCSI RDMA Protocol (SRP)
  • C. iSCSI Extensions for RDMA (iSER)
  • D. RDMA over Converged Ethernet (RoCE)
  • E. Internet Wide Area RDMA Protocol (iWARP)


Answer : A,D

What must you do before an online table space backup operation can be performed?

  • A. Create a full database backup image.
  • B. Create one or more tables in the table space.
  • C. Create an incremental backup image of the table space.
  • D. Set the DB2_ENABLE_ONLINEBKUP registry variable to ON.


Answer : A

On which two operating systems can DB2 pureScale run? (Choose two.)

  • A. AIX
  • B. Linux
  • C. HP-UX
  • D. Solaris
  • E. Windows


Answer : AB

A table space creation operation was unsuccessful because DB2 failed to allocate a container in a path. Which diagnostic tool can be used to help resolve the problem?

  • A. db2dart
  • B. db2diag
  • C. db2caem
  • D. db2fmcu


Answer : B

Which statement about compression dictionaries is FALSE?

  • A. Page-level dictionaries are stored in hidden rows within the table.
  • B. Table-level dictionaries are stored in hidden rows within the table.
  • C. Page-level dictionaries are automatically created or recreated by the database manager as pages are filled.
  • D. Table-level dictionaries are automatically created or recreated as by the database manager as pages are filled.


Answer : D

A database administrator created all of the necessary federated objects for an SQL Server data source in a federated system. Which steps must be performed if the data types of several columns in the SQL Server data source are changed?

  • A. Drop the current data type mapping. Create the new data type mapping.
  • B. Drop the nickname to the table. Create the new data type mapping. Recreate the nickname to the table.
  • C. Drop the current data type mapping. Create the new data type mapping. Drop the nickname to the table. Recreate the nickname to the table.
  • D. Drop the current user mapping. Drop the current data type mapping. Create the new user mapping. Create the new data type mapping. Recreate the nickname to the table.


Answer : B

Which category must be enabled before db2audit will record the creation of new buffer pools?

  • A. OBJMAINT
  • B. SECMAINT
  • C. CHECKING
  • D. OBJCREATE


Answer : A

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Exam contains 117 questions
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