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单选题
Servlet的事件驱动由（）实现。
A
Filter
B
Listener
C
Response
D
Request
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ServletAforwardedarequesttoservletBusingtheforwardmethodofRequestDispatcher.WhatattributeinB’srequestobjectcontainstheURIoftheoriginalrequestreceivedbyservletA?()
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Servlet A forwarded a request to servlet B using the forward method of RequestDispatcher. What attributein B’s request object contains the URI of the original request received by servlet A？（）A、REQUEST_URIB、javax.servlet.forward.request_uriC、javax.servlet.forward.REQUEST_URID、javax.servlet.request_dispatcher.request_uriE、javax.servlet.request_dispatcher.REQUEST_URI
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Your IT department is building a lightweight Front Controller servlet that invokes an application logic objectwith the interface： public interface ApplicationController {public String invoke（HttpServletRequest request）} The return value of this method indicates a symbolic name of the next view. From this name， the FrontController servlet looks up the JSP URL in a configuration table. This URL might be an absolute path or apath relative to the current request. Next， the Front Controller servlet must send the request to this JSP togenerate the view. Assume that the servlet variable request is assigned the current HttpServletRequestobject and the variable context is assigned the webapp’s ServletContext. Which code snippet of the FrontController servlet accomplishes this goal？（）A、Dispatcher view=context.getDispatcher（viewURL）；view.forward Request（request， response）；B、Dispatcher view=request.getDispatcher（viewURL）；view.forward Request（request， response）；C、RequestDispatcher view. =context.getRequestDispatcher（viewURL）；view.forward（request，response）；D、RequestDispatcher view=request.getRequestDispatcher（viewURL）；view.forward（request， response）；
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A client is searching for an access point （AP）. What is the correct process order that the client and access point go through to create a connection？（）A、 probe request/response， authentication request/response， association request/responseB、 association request/response， authentication request/response， probe request/responseC、 probe request/response， association request/response， authentication request/responseD、 association request/response， probe request/response， authentication request/response
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单选题Your web application uses a simple architecture in which servlets handle requests and then forward to aJSP using a request dispatcher. You need to pass information calculated by the servlet to the JSP；furthermore， that JSP uses a custom tag and must also process this information. This information mustNOT be accessible to any other servlet， JSP or session in the webapp. How can you accomplish this goal？（）A
Store the data in a public instance variable in the servlet.B
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This CANNOT be done as the tag handler has no means to extract this data.
考题
单选题Servlet A forwarded a request to servlet B using the forward method of RequestDispatcher. What attributein B’s request object contains the URI of the original request received by servlet A？（）A
REQUEST_URIB
javax.servlet.forward.request_uriC
javax.servlet.forward.REQUEST_URID
javax.servlet.request_dispatcher.request_uriE
javax.servlet.request_dispatcher.REQUEST_URI
考题
单选题On the Company wireless LAN， A client is searching for an access point （AP）. What is the correct process order that this Company client and access point goes through in order to create a connection？（）A
association request/response， probe request/response， authentication request/responseB
association request/response， authentication request/response， probe request/responseC
probe request/response， authentication request/response， association request/responseD
probe request/response， association request/response， authentication request/responseE
None of the other alternatives apply
考题
单选题A client is searching for an access point （AP）. What is the correct process order that the client and access point go through to create a connection？（）A
probe request/response， authentication request/response， association request/responseB
association request/response， authentication request/response， probe request/responseC
probe request/response， association request/response， authentication request/responseD
association request/response， probe request/response， authentication request/response
考题
单选题在J2EE中，在Servlet1中的doGet和doPost方法中只有如下代码： request.setAttribute（"jb"，"aptech"）； response.sendRedirect（"http：//localhost：8080/servlet/Servlet2"）； 那么在Servlet2中使用（）可以把属性jb的值取出来。A
String str=request.getAttribute（jb）；B
String str=（String）request.getAttribute（jb）；C
Object str=request.getAttribute（jb）；D
取不出来
考题
单选题Your IT department is building a lightweight Front Controller servlet that invokes an application logic objectwith the interface： public interface ApplicationController {public String invoke（HttpServletRequest request）} The return value of this method indicates a symbolic name of the next view. From this name， the FrontController servlet looks up the JSP URL in a configuration table. This URL might be an absolute path or apath relative to the current request. Next， the Front Controller servlet must send the request to this JSP togenerate the view. Assume that the servlet variable request is assigned the current HttpServletRequestobject and the variable context is assigned the webapp’s ServletContext. Which code snippet of the FrontController servlet accomplishes this goal？（）A
Dispatcher view=context.getDispatcher（viewURL）；view.forward Request（request， response）；B
Dispatcher view=request.getDispatcher（viewURL）；view.forward Request（request， response）；C
RequestDispatcher view. =context.getRequestDispatcher（viewURL）；view.forward（request，response）；D
RequestDispatcher view=request.getRequestDispatcher（viewURL）；view.forward（request， response）；
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单选题Servlet A receives a request that it forwards to servlet B within another web application in the same webcontainer. Servlet A needs to share data with servlet B and that data must not be visible to other servlets inA’s web application. In which object can the data that A shares with B be stored？（）A
HttpSessionB
ServletConfigC
ServletContextD
HttpServletRequestE
HttpServletResponse
考题
单选题Servlet A receives a request that it forwards to servlet B within another web application in the same web container. Servlet A needs to share data with servlet B and that data must not be visible to other servlets in A’s web application. In which object can the data that A shares with B be stored？（）A
HttpSessionB
ServletConfigC
ServletContextD
HttpServletRequestE
HttpServletResponse
考题
单选题Which retrieves the binary input stream on line 13？（）A
request.get Writer （）：B
request.get Reader （）：C
request.get Input Stream（）：D
request.get Resource As Stream（）：E
request.get Resource As Stream （Servlet Request. REQUEST）：
考题
单选题Given an HttpServlet Request request and Http Servlet Response response， which sets a cookie “username” with the value “joe” in a servlet.？（）A
request.add Cookie （“username”. “joe”）B
request.set Cookie （“username， “joe”）C
response.add Cookie （username”， “joe”））D
request.add Header （new Cookie （“username”， “joe”））E
request.add Cookie （new Cookie （“username”， “joe”））F
response.add Cookie （new Cookie （“username”， “joe”））G
response.add Header （new Cookie （“username”， “joe”））
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