(a) Consider the following use case for a web site customer signing up for an account. A user signs up for a new account

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A Consider The Following Use Case For A Web Site Customer Signing Up For An Account A User Signs Up For A New Account 1 (74.43 KiB) Viewed 30 times

(a) Consider the following use case for a web site customer signing up for an account. A user signs up for a new account using a web browser. She enters personal details onto a web form, which are uploaded to a web application server and validated and then saved in a database. A mail server then sends the user a confirmation email with an 'accept' link. The user reads the email using her mail client. She clicks accept on a hyperlink embedded in the email, and is then marked in the database as a confirmed user, and a confirmation acknowledgment is sent to the browser. Draw a UML sequence diagram to model the interactions between the agents involved in this transaction (the entities italicised in the use-case), indicating the type of each HTTP request.