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Updated weekly · Last refresh Oct 17

Educational Testing Service (Ets) Systems Engineer Interview Questions

The questions to prepare for a Educational Testing Service (Ets) Systems Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
PipelinesStart here. 12 questions · ~96 min
Oracle Cost Based Optimizer PlansHard

Tests deep understanding of Oracle query planning and how plan choices affect performance.

Educational Testing Service (Ets)
Connection Pooling PurposeMedium

Evaluates understanding of database connectivity performance and resource management.

Educational Testing Service (Ets)
RMAN Catalog NecessityMedium

Tests backup/recovery architecture knowledge and understanding of metadata management for recovery.

database managementEducational Testing Service (Ets)
Minimize Downtime PatchingMedium

Tests change management and reliability practices for keeping critical systems available.

Educational Testing Service (Ets)
Oracle Optimizer HintsMedium

Tests understanding of Oracle optimization controls and safe decision-making for query tuning.

sqlEducational Testing Service (Ets)
Optimizer Hints on JoinsHard

Tests ability to reason about join order, access paths, and performance effects of hinting.

JoinssqlEducational Testing Service (Ets)
Why SQL Performance DeviatesMedium

Tests understanding of optimizer behavior, statistics, environment changes, and execution plan drift.

performanceExecutionsqlEducational Testing Service (Ets)
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More topics1 question · ~8 min
Organizing Work in a GroupMedium

Assesses collaboration, ownership, and how you coordinate work with others.

organizationteamworkEducational Testing Service (Ets)
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