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SCWCD(310-083)單項(xiàng)選擇題每日一練(2019.01.24)

單項(xiàng)選擇題
You need to create a JSP that generates some JavaScript code to populate an array of strings used on the client-side.Which JSP code snippet will create this array？（）
A.
B.
C.
D.
單項(xiàng)選擇題
Given an HttpServletRequest request and an HttpServletResponse response：41.HttpSession session = null；42.// insert code here43.if（session == null） {44.// do something if session does not exist45.} else {46.// do something if session exists47. }To implement the design intent，which statement must be inserted at line 42？（）
A.session = response.getSession（）；
B.session = request.getSession（）；
C.session = request.getSession（true）；
D.session = request.getSession（false）；
E.session = request.getSession（"jsessionid"）；
單項(xiàng)選擇題
For manageability purposes， you have been told to add a "count" instance variable to a critical JSP Document so that a JMX MBean can track how frequent this JSP is being invoked.Which JSP code snippetmust you use to declare this instance variable in the JSP Document？（）
A.<jsp：declaration>int count = 0；<jsp：declaration>
B.<%! int count = 0； %>
C.<jsp：declaration.instance>int count = 0；. <jsp：declaration.instance>
D.<jsp：scriptlet.declaration>int count = 0；. <jsp：scriptlet.declaration>
單項(xiàng)選擇題
Click the Exhibit button.A session-scoped attribute， product， is stored by a servlet. That servlet then forwards to a JSP page. Thisattribute holds an instance of the com.example.Product class with a name property of "The Matrix" andprice property of 39.95. Given the JSP page code snippet：1.2.3.4. costs What is the response output of this JSPpage code snippet？（）
A.Default costs 0.0
B.Default costs 49.95
C.Default costs 39.95
D.The Matrix costs 0.0
E.The Matrix costs 49.95
單項(xiàng)選擇題
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？（）
A.
B.
C.
D.