In a state transition diagram for an e-commerce transaction, how many transitions should be represented given the defined states?

Study for the ISTQB Foundation Level Exam. Prepare with flashcards, multiple-choice questions, hints, and explanations. Get ready for your certification!

In a state transition diagram, the number of transitions is determined by the possible actions that can occur between states. Each state represents a distinct status in a process, and transitions show how the system can move from one state to another based on specific events or conditions.

For an e-commerce transaction, typical states might include "Browsing," "Item Selected," "Cart," "Checkout," "Payment Processed," and "Order Completed." When analyzing these states, you can identify potential transitions based on user actions or system events.

If you have eight distinct actions that can occur between these states—such as adding an item to the cart, removing an item, proceeding to checkout, making a payment, and receiving an order confirmation—you would expect to see a corresponding number of transitions. Each action directly influences state changes, leading to the conclusion that there would be at least eight distinct transitions needed to adequately represent all possible state changes.

Given this reasoning, arriving at a count of eight transitions is logical, especially in a complex system like e-commerce where the user may navigate through various options and states during their transaction journey. Thus, having eight transitions accurately reflects the various interactions that can occur throughout the process.

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