Question Detail
Question
Characteristics of online processing include instant data updates, user interaction, multi-user access, database-driven operations, and high __________.
Correct Answer
Option A is the correct answer.
Detailed Explanation
High availability is essential for online processing systems (like e-commerce or banking) to ensure they are accessible to users whenever needed, often requiring redundancy and failover mechanisms.
Hint
This refers to the system being operational and accessible whenever needed.