Given a header in an HTTP request:X-Retries:4
Which two retrieve the value of the header from a given HttpServletRequest request?()
A.Request.getHeader("X-Retries")
B.Request.getIntHeader("X-Retries")
C.Request.getRequestHeader("X-Retries")
D.Request.getHeaders("X-Retries").get(0)
E.Request.getRequestHeaders("X-Retries").get(0)
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A.session.getResource("/WEB-INF/myconfig.xml")
B.request.getResource("/WEB-INF/myconfig.xml")
C.context.getResource("/WEB-INF/myconfig.xml")
D.getClass().getResource("/WEB-INF/myconfig.xml")
You are creating a web form with this HTML:
11.<form action="sendOrder.jsp">
12.<input type="text" name="creditCard">
13.<input type="text" name="expirationDate">
14.<input type="submit">
15.</form>
Which HTTP method is used when sending this request from the browser?()
A.GET
B.PUT
C.POST
D.SEND
E.FORM
A.It encapsulates component lookup procedures.
B.It increases source code duplication and decreases reuse.
C.It improves client performance by caching context and factory objects.
D.It degrades network performance due to increased access to distributed lookup services.
A developer has created a special servlet that is responsible for generating XML content that is sent to adata warehousing subsystem. This subsystem uses HTTP to request these large data files, which are compressed by the servlet to save internal network bandwidth. The developer has received a request frommanagement to create several more of these data warehousing servlets. The developer is about to copyand paste the compression code into each new servlet.
Which design pattern can consolidate thiscompression code to be used by all of the data warehousing servlets?()
A.Facade
B.View Helper
C.Transfer Object
D.Intercepting Filter
E.Composite Facade
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Which two are valid and equivalent?()
Click the 'Select and Place' button.Place the events in the order they occur.
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?
Which is true about the web container request processing model?()
Given a Filter class definition with this method:21.public void doFilter(ServletRequest request,22.ServletResponse response,23.FilterChain chain)24.throws ServletException, IOException {25.// insert code here26.}Which should you insert at line 25 to properly invoke the next filter in the chain, or the target servlet if thereare no more filters?()
You are building a dating web site. The client’s date of birth is collected along with lots of other information.The Person class has a derived method, getAge():int, which returns the person’s age calculated from thedate of birth and today’s date. In one of your JSPs you need to print a special message to clients within theage group of 25 through 35.Which two EL code snippets will return true for this condition? ()
Which ensures that a JSP response is of type "text/plain"?()
In which three directories, relative to a web application’s root, may a tag library descriptor file reside whendeployed directly into a web application?()
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.