A developer has used this code within a servlet：
62.if（request.isUserInRole（"vip"）） {
63.// VIP-related logic here
64.}
What else must the developer do to ensure that the intended security goal is achieved？（）
A.Create a user called vip in the security realm
B.Define a group within the security realm and call it vip
C.Define a security-role named vip in the deployment descriptor
D.Declare a security-role-ref for vip in the deployment descripto
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A.Url
B.Link
C.Param
D.Import
E.Redirect
Assume the scoped attribute priority does NOT yet exist.
Which two create and set a new request-scopedattribute priority to the value "medium"？（）
B.${requestScope[’priority’] = ’medium’}
C.<c：set var="priority" value="medium" />
D.<c：set var="priority" scope="request">medium</c：set>
E.<c：set var="priority" value="medium" scope="request" />
A.<a href=’<c：url url="foo.jsp"/>’ />
B.<a href=’<c：link url="foo.jsp"/>’ />
C.<a href=’<c：url value="foo.jsp"/>’ />
D.<a href=’<c：link value="foo.jsp"/>’ />
最新試題
All of your JSPs need to have a link that permits users to email the web master. This web application islicensed to many small businesses， each of which have a different email address for the web master. Youhave decided to use a context parameter that you specify in the deployment descriptor， like this：42.<context-param>43.<param-name>webmasterEmail</param-name>44.<param-value>master@example.com</param-value>45.</context-param>Which JSP code snippet creates this email link？（）
You are building a web application with a scheduling component. On the JSP， you need to show the currentdate， the date of the previous week， and the date of the next week. To help you present this information，you have created the following EL functions in the ’d’ namespace： name： curDate； signature： java.util.DatecurrentDate（） name： addWeek； signature： java.util.Date addWeek（java.util.Date， int） name： dateString；signature：java.util.String getDateString（java.util.Date）Which EL code snippet will generate the string for the previousweek？
Your company has a corporate policy that prohibits storing a customer’s credit card number in anycorporate database. However， users have complained that they do NOT want to re- enter their credit cardnumber for each transaction. Your management has decided to use client-side cookies to record the user’scredit card number for 120 days. Furthermore， they also want to protect this information during transit fromthe web browser to the web container； so the cookie must only be transmitted over HTTPS.Which codesnippet creates the "creditCard" cookie and adds it to the out going response to be stored on the user’s webbrowser？（）
Click the ’Select and Place’ button.Place the events in the order they occur.
Click the ’Select and Place’ button.Place the events in the order they occur.
Which is a benefit of precompiling a JSP page？（）
The JSP developer wants a comment to be visible in the final output to the browser.Which comment styleneeds to be used in a JSP page？（）
You are building your own layout mechanism by including dynamic content for the page’s header and footersections. The footer is always static， but the header generates the <title> tag that requires the page name tobe specified dynamically when the header is imported.Which JSP code snippet performs the import of theheader content？（）
Which two are valid and equivalent？（）
Which is true about the web container request processing model？（）