Answer: The Deployment Toolkit script contains JavaScript functions that can be used to deploy applets and Java Web Start applications.
Answer: True: Unsigned RIAs are blocked for security reasons. Always sign your RIA with a valid certificate from a trusted certificate authority.
Exercise applet using the ex.jnlp file.
Answer:
<script src="https://www.java.com/js/deployJava.js"></script>
<script> 
    var attributes = {code:'Exercise', width:300, height:300} ; 
    var parameters = {jnlp_href: 'ex.jnlp'} ; 
    deployJava.runApplet(attributes, parameters, '1.6'); 
</script>