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

1. What should be considered when you are asked to select the distribution key columns for avery large fact table?

A) Columns that contain many nulls.
B) As many columns as possible.
C) Columns used to join to other large tables.
D) Columns that contain few unique values.

2. When is the ToplogyImbalance event triggered?

A) When an S-Blade has ownership of more dataslices than is optimal (usually following a disk replacement).
B) When a disk enclosure's voltage sensor is reading outside the nominal range.
C) When a SAS switch has failed.
D) When the path the path between an S-Blade and its disks has failed.

3. Which statement is true about optimizer settings?

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

4. Which command is usedto display operational statistics about system capacity, faults, and performance?

A) nzsystem
B) nzshow
C) nzstate
D) nzstats

5. A group has a resource allocation maximum of 50% and the job maximum is set to 1. Two users within this resource groupeach execute 1 job at the same time, which statement is correct?

A) Each job gets 50% but only one job runs at a time.
B) Each job gets 50% and both run at the same time.
C) You cannot set the job maximum per resource group.
D) Each job gets 25% and both run at the same time.

Solutions: