You are implementing a replication mechanism of a distributed relational database to support the global online business. Which of the following best enforces the integrity of the database? (Wentz QOTD)
A. Cell suppression
B. Polyinstantiation
C. Timestamp
D. Transaction
Kindly be reminded that the suggested answer is for your reference only. It doesn’t matter whether you have the right or wrong answer. What really matters is your reasoning process and justifications.
My suggested answer is C. Timestamp.
Wentz’s book, The Effective CISSP: Security and Risk Management, helps CISSP and CISM aspirants build a solid conceptual security model. It is a tutorial for information security and a supplement to the official study guides for the CISSP and CISM exams and an informative reference for security professionals.
Reference
- Efficient replication via timestamp stability
- Considerations and restrictions for the replication of timestamp data
您正在實施一個分散式關聯式資料庫的複制(replication)機制來支持全球的線上業務。 以下哪項最能確保資料庫的完整性？ (Wentz QOTD)
A. 細胞抑制 (Cell suppression)
B. 多實例化 (Polyinstantiation)
C. 時間戳 (Timestamp)
D. 交易 (Transaction)