The Following Are the Requirements Identified as "Critical": REQ-SEL-001

The following are the requirements identified as "critical": REQ-SEL-001. The user shall be able to combine all the three products with all the four durations to define an item to purchase REQ-SEL-002. The user shall be able to add a maximum of six different items to the shopping cart REQ-PUR-001. The user shall be able to purchase all the items in the shopping cart using a credit voucher REQ-PUR-002. The user shall be able to purchase all the items in the shopping cart using the available credit already charged on the smartcard REQ-PUR-003. The user shall be able to purchase all the items in the shopping cart using all the accepted credit cards (Visa, MasterCard and Great Wall Card) REG-LOGO-001. The user shall be able to logout (by clicking the logout button) from both the "select" and "purchase" pages going back to the "browse" page (anonymous navigation) Moreover the following quality risk item has been identified as "critical": QR-P1. The web customer portal might not be able to provide the expected response time (less than 10 sec) for the purchase transactions under a load of up-to 1000 concurrent users Test analysis for system testing has just begun and the following test conditions have been identified: TC-SEL-01. Test the combinations of products and durations to define an item to purchase TC-SEL-02. Test the maximum number of items, which can be added to the shopping cart TC-PUR-01. Test the purchase of an item TC-PUR-02. Test the purchase of an item with the credit charged on the smartcard Assume that you have used traceability to determine the logical test cases that cover all the requirements and the single risk item identified in that scenario. Which of the following is a positive logical test that is complete, is correct, and covers the REG-LOGO-001 requirement? Number of correct responses: 1

A) On the purchase page ("purchase state") , click the logout button; verify that the browse page ("browse state") is displayed
B) On the select page ("select state") , click the logout button
C) On the purchase page ("purchase state") , click the logout button; verify that the "Impossible to logout - complete or cancel the current transaction" message is displayed
D) On the browse page ("browse state") , click the logout button