Certified Incident Handler (CIH) Practice Ecam

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Which type of vulnerability can occur when a sequential system is forced to perform multiple operations at once?

  1. Race Conditions

  2. Thread Safety Issues

  3. Resource Contention

  4. Logic Errors

The correct answer is: Race Conditions

Race conditions occur in a system when multiple operations are executed simultaneously, potentially affecting the system's behavior. This type of vulnerability arises when the timing of events interferes with the order of processes, leading to unpredictable outcomes. For example, if two processes attempt to read and write to the same resource simultaneously, one process may overwrite data written by the other, causing inconsistencies and errors. This situation is particularly relevant in concurrent systems, where shared resources are accessed by multiple threads or processes. While thread safety issues can also relate to concurrent processing, they often encompass broader concerns regarding a program’s ability to function correctly when accessed by multiple threads. Resource contention refers to the competition between multiple processes or threads for limited resources but does not specifically focus on timing and order. Logic errors relate to flaws in the program’s logic that lead to unintended behavior, regardless of concurrent execution. Understanding race conditions is essential for developers working with multi-threaded applications, as it emphasizes the need for proper synchronization mechanisms to manage access to shared resources effectively.