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Oracle 1z0-3000 Exam Syllabus Topics:

Oracle Data Center Operations Foundations Associate Sample Questions:

Question 1

Which two conditions can indicate reduced water-based cooling?

A. Stable chilled-water temperatures, combined with increased UV
B. Increased pump volume
C. Rising rack inlet temperatures
D. Abnormal plant-system alarms

Question 2

Which statement describes maintenance in a data center context?

A. It is a planned or corrective work that keeps equipment safe and reliable.
B. It is a centralized review work that adjusts sensors and control loops as needed.
C. It is a routine work that monitors alarms and completes shift handoffs.
D. It is an emergency work that stabilizes equipment during a utility outage.

Question 3

How can degraded cooling-tower performance affect data-hall temperatures in a water-cooled facility?

A. It can lower equipment heat output and reduce data-hall cooling demand.
B. It can raise airflow velocity and reduce cooling-coil heat transfer.
C. It can increase generator capacity and stabilize electrical distribution conditions.
D. It can reduce heat rejection and increase chilled-water supply temperatures.

Question 4

Why is three-phase power common in data centers?

A. It supports standard office outlets and low-power plug-load equipment, plus any additional load.
B. It supports major mechanical loads and high-capacity facility distribution equipment.
C. It supports branch circuits serving lighting and control equipment.
D. It supports battery-charging equipment during planned maintenance operations.

Question 5

Which statement correctly distinguishes CRAH units from CRAC units?

A. CRAH units use chilled-water coils, while CRAC units use evaporative cooling.
B. CRAH units use chilled-water coils, while CRAC units use refrigeration circuits.
C. CRAH units use chilled-water coils, while CRAC units use outdoor conditioned rest air cooling.
D. CRAH units use refrigeration circuits, while CRAC units use chilled-water coils.

Solutions: