1Z0-1072-26 Database Practice Question

Which TWO characteristics distinguish Exadata Cloud Service (ExaCS) from standard Oracle Base Database Systems?

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Support for Hybrid Columnar Compression (HCC)

ExaCS features specialized Exadata storage servers with Smart Scan and supports Hybrid Columnar Compression, unlike standard Base DB systems.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✗
Requirement to run exclusively on Windows Server operating systems
Why it's wrong here
ExaCS runs Oracle Linux, not Windows.
✗
Exclusive reliance on standard OCI Block Volume iSCSI storage
Why it's wrong here
ExaCS uses Exadata storage servers, not standard OCI block volumes.
✓
Support for Hybrid Columnar Compression (HCC)
Why this is correct
HCC is an Exadata-specific storage feature.
✓
Inclusion of intelligent storage servers supporting Smart Scan capability
Why this is correct
Exadata features storage cells with Smart Scan offload, which is not present in standard Base DB systems.
✗
Inability to use Oracle Real Application Clusters (RAC)
Why it's wrong here
ExaCS fully supports RAC.

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Last reviewed August 2026 · checked against the official Oracle exam blueprint

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