Question at position 26 The failure to implement a strong database administrative function is the most common source of database failures in organizations. TrueFalse单项选择题
A
True
B
False

Question

Question at position 26 The failure to implement a strong database administrative function is the most common source of database failures in organizations. TrueFalse

BlackTom AI · Accepted Answer

A robust database administration (DBA) function ensures data integrity, availability, performance tuning, backup and recovery, security, patching, and change control; lacking that function is therefore a primary contributor to database failures.

Relevant knowledge points and concepts:
- Roles of DBA: schema design, capacity planning, backups, recovery testing, access control, performance monitoring, and applying patches/updates. 
- Types of database failures: hardware faults, software bugs, network problems, data corruption, human/administrative error, and inadequate procedures. 
- Organizational vs. technical causes: surveys and industry experience commonly attribute many outages to misconfiguration, poor change control, untested backups, or operator errors—all administrative.

Step-by-step reasoning:
1. Identify essential DBA responsibilities: backups and tested recovery plans, configuration management, security policies, performance tuning, and monitoring.
2. Determine consequences of weak DBA function: backups not performed or untested → inability to restore after data loss; improper configuration or lack of patching → security breaches or instability; poor change management → accidental data corruption or downtime.
3. Compare with other failure sources: hardware and software do fail, but they are often mitigated by proper administrative controls (redundancy, patch management, monitoring). Without a strong DBA function those mitigations are absent or ineffective.
4. Conclude causal linkage: because many preventable failures stem from missed administrative tasks, inadequate DBA function is the most common root cause.

Why the correct answer is correct:
- The statement asserts that the failure to implement a strong DBA function is the most common source of database failures. Given that human/organizational factors (operator error, poor procedures, insufficient backups/change control) account for a large share of incidents, the assertion is accurate.

Why “False” is incorrect:
- Claiming “False” would imply that technical causes (hardware/software) are more common; while they occur, they are less frequently the primary root cause compared to administrative shortcomings that allow or amplify those technical issues.

Final confirmation: The correct answer is True.

Question at position 26 The failure to implement a strong database administrative function is the most common source of database failures in organizations. TrueFalse单项选择题

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