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IBM PureData System for Analytics Technical Mastery Test v1 Sample Questions:

1. Zone Maps provide what information about a table?

A) The connection between the map and reduce stages when using MapReduce.
B) The minimum and maximum column values found within an extent.
C) An index pointer to each row's exact location in the base table.
D) The list of unique columnvalues found within an extent.

2. OLE-DB based applications on UNIX requires which PureData System for Analytics software?

A) Install the JDBC driver for UNIX.
B) Install the ODBC driver for UNIX.
C) OLE-DB is not supported on UNIX.
D) Install the OLE-DB driverfor UNIX.

3. When a temporary table is created, where will the data be stored?

A) Held in physical memory on the S-Blades.
B) On the S-Blades under the swap partition.
C) Explanation:
QUESTIONNO: 28
What is the limitation on join types with floating-point data types?
A. The system does not have a limitation on floating-point data types.
B. The system cannot perform any type of join on floating-point data types.
C. The system cannot perform afast sort merge join on a floating point data type, but instead must perform a slower hash join.
D. The system cannot perform a fast hash join on a floating point data type, but instead must perform a slower sort merge join.
D) On the S-Blades under the data partition.
E) On the host under the /nz/tmp directory.

4. Which option does NOT trigger a HardwareNeedsAttention event?

A) A power supply has failed.
B) A SAS cable fails or is disconnected.
C) A chassis or fabric switch port is in a down state for longer than the defined threshold.
D) A switch has beenrebooted.

5. nzload is invoked with the "allowReplay" option enabled. While the PureData System for Analytics Appliance changes state from online to pausing then to online, which statement is true about the nzload process on the Appliance?

A) nzload must be stopped and resumed by the user from the last check point.
B) nzload automatically continues without user intervention.
C) nzload automatically restarts but the user must remove the allowReplay option.
D) nzload will fail.

Solutions: