Question 2 (Mandatory) (20 points) Ryan is shopping online for a Christmas gift to his sister. Since he is the first-time online shopper, he has some concern over giving away his credit card number and home address online. Ryan has heard that you took a computer security class this semester and asks you to explain the security of online shopping. Q2.1 Describe security indicators that Ryan can look for on a web site to show the site is secure. (6pts) Q2.2 Explain to Ryan how the security protocol of a web browser (e.g. Firefox) does to ensure that a web site (e. g. Amazon.com) is actually the web site he intends to visit. You need to describe how SSL conducts authentication of a web server, the handshaking phase of SSL. (7pts) Q2.3 Explain to Ryan how the security protocol of a web browser does to encrypt his transactions so that his credit card number and order information will be sent to the web server in confidential. You need to describe how SSL negotiates after handshaking and what does SSL encrypt transactions. (7pts)