Functionality: Customers sign in to an online shopping website, such as, amazon.com by entering their email and password.

Functionality name: SignIn

Example: Jonny is at the Sign-In page of amazon.com and enters his email and clicks on Continue. Then Jonny is prompted to enter his password. Jonny enters his password ********** and clicks on Sign-In. Then homepage of amazon.com displays. Jonny notices that there is one item in his shopping cart.

In addition, if email address is correct and password is not, amazon.com shows an error message as below(left). If the email address is not correct, amazon.com shows another error message as below(right).

3. Identify the most refined use case of the SignIn functionality. (20pts)

4. Map your most refined use case to its sequence diagram.

Functionality: Customers sign in to an online shopping website, such as, amazon.com by entering their email and password. Functionality name: Signin Example: Jonny is at the Sign-In page of amazon.com and enters his email j weilder@gmail.com and clicks on Continue. Then Jonny is prompted to enter his password. Jonny enters his password ********** and clicks on Sign-In. Then homepage of amazon.com displays. Jonny notices that there is one item in his shopping cart. See the screenshots below. Sign-In Sign-In Email or mobile phone number Change Continue Password Forgot your password? By continuing, you agree to Amaron's Conditions of Use and Privacy Notice Need help? Sign In Keep me signed in. Details New to Amaron? Create your Amazon account amazon.com/?refnav_custre signing O E All Hello, Account & Lists Returns & Orders cart bm Customer Service Prime Buy Again Best Sellers Browsing History Today's Deals Kindle Books New Releases Find a Gift Gift Cards Subscribe & Save Books Amazon Home Get your home in shape In addition, if email address is correct and password is not, amazon.com shows an error message as below(left). If the email address is not correct, amazon.com shows another error message as below(right). A There was a problem Your password is incorrect A There was a problem We cannot find an account with that email address Sign In Change Sign-In Password Forgot your password? Email or mobile phone number qwex345987@gmail.com Sign In Continue Keep me signed in. Details By continuing, you agree to Amaron's Conditions of Use and Privacy Notice. Use the information above to answer questions 1, 2, 3, 4, and 5. 1. Identify the scenario of the SignIn functionality that covers the case of successful SignIn. (20pts) 2. Identify the initial use case of the SigpIn functionality to covers all the cases. (20pts) 3. Identify the most refined use case of the SignIn functionality. (20pts) 4. Map your most refined use case to its sequence diagram. (20pts) 5. Identify the attributes and operations of the entity objects used in the SignIn functionality. (20pts) Functionality: Customers sign in to an online shopping website, such as, amazon.com by entering their email and password. Functionality name: Signin Example: Jonny is at the Sign-In page of amazon.com and enters his email j weilder@gmail.com and clicks on Continue. Then Jonny is prompted to enter his password. Jonny enters his password ********** and clicks on Sign-In. Then homepage of amazon.com displays. Jonny notices that there is one item in his shopping cart. See the screenshots below. Sign-In Sign-In Email or mobile phone number Change Continue Password Forgot your password? By continuing, you agree to Amaron's Conditions of Use and Privacy Notice Need help? Sign In Keep me signed in. Details New to Amaron? Create your Amazon account amazon.com/?refnav_custre signing O E All Hello, Account & Lists Returns & Orders cart bm Customer Service Prime Buy Again Best Sellers Browsing History Today's Deals Kindle Books New Releases Find a Gift Gift Cards Subscribe & Save Books Amazon Home Get your home in shape In addition, if email address is correct and password is not, amazon.com shows an error message as below(left). If the email address is not correct, amazon.com shows another error message as below(right). A There was a problem Your password is incorrect A There was a problem We cannot find an account with that email address Sign In Change Sign-In Password Forgot your password? Email or mobile phone number qwex345987@gmail.com Sign In Continue Keep me signed in. Details By continuing, you agree to Amaron's Conditions of Use and Privacy Notice. Use the information above to answer questions 1, 2, 3, 4, and 5. 1. Identify the scenario of the SignIn functionality that covers the case of successful SignIn. (20pts) 2. Identify the initial use case of the SigpIn functionality to covers all the cases. (20pts) 3. Identify the most refined use case of the SignIn functionality. (20pts) 4. Map your most refined use case to its sequence diagram. (20pts) 5. Identify the attributes and operations of the entity objects used in the SignIn functionality. (20pts)