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

1. Which statement is true regarding the compress engine?

A) Compression ratio is data dependent.
B) Compression is performed by the SAS switches.
C) Compression degrades data scan speeds.
D) Compression is performed by the host.

2. Why should you avoid using Boolean data types as a distribution key for a table ?

A) Table is likely to be skewed.
B) Table will not broadcast.
C) Table is likely to be evenly spread across data slices.
D) Table will not join.

3. In order to set a runaway query event to trigger when a query runs longer than two minutes, which two items must be configured? (Choose two.)

A) The CREATE USER command was used to set the QUERYTIMEOUT to two minutes.
B) The nzsystem command was used to set the QUERYTIMEOUT to two minutes.
C) The runaway query event was enabled.
D) The pg.log file was configured for two minutes.
E) The runaway query event was configured for two minutes.

4. What is the host Linux file that must be modified to adjust optimizer settings permanently?

A) /nz/data/config/system.cfg
B) /nz/kit/log/sysmgr/sysmgr.log
C) /nz/kit/sys/initTopology.cfg
D) /nz/data/postgresql.conf

5. Which statement is true about optimizer settings?

A) They can be set at the database level only.
B) They can be set system wide only.
C) They can be set at the session and at the group level.
D) They can be set system wide and at the session level.

Solutions: