Which of the following descriptions are advantages of GaussDB database products? (Multiple choice)

Question

Options

• ACompatible with SQL2003 standard syntax + enterprise extension pack
• B2048 node expansion capability, excellent linear ratio
• CDisaster recovery across AZs in the same city, no data loss, recovery in minutes
• DSupport high throughput and strong consistency transaction capabilities

• A
  100% (38)

Explanation

All four options are correct because they each describe a genuine, documented advantage of GaussDB. Option A highlights SQL2003 compatibility combined with enterprise extensions, making GaussDB a strong fit for organizations that need standards compliance alongside advanced features. Option B refers to GaussDB's massive horizontal scalability -- up to 2048 nodes with near-linear performance scaling -- which is critical for large-scale data workloads. Option C captures its high-availability architecture, enabling cross-availability-zone disaster recovery within the same city with zero data loss (RPO=0) and fast recovery times (RTO in minutes). Option D reflects GaussDB's HTAP (Hybrid Transactional/Analytical Processing) design, supporting both high-throughput workloads and strong ACID transaction consistency simultaneously.

Since this is a "select all that apply" question with no incorrect distractors, the exam is testing whether you know the full feature set rather than trying to eliminate wrong answers -- if you doubt any single option, you will lose the point.

Memory tip: Think of GaussDB in four layers -- Standards (A), Scale (B), Survival (C), and Strength (D). Each layer represents a pillar of enterprise database requirements: compatibility, capacity, continuity, and consistency.

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