多选题A session-scoped attribute is stored by a servlet, and then that servlet forwards to a JSP page. Which threejsp:useBean attributes must be used to access this attribute in the JSP page?()AidBnameCbeanDtypeEscope

多选题
A session-scoped attribute is stored by a servlet, and then that servlet forwards to a JSP page. Which threejsp:useBean attributes must be used to access this attribute in the JSP page?()
A

id

B

name

C

bean

D

type

E

scope


参考解析

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相关考题:

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Whichinterfacemustaclassimplementtobeinformedofasessioncreationevent?() A.javax.servlet.http.HttpSessionListenerB.javax.servlet.http.HttpSessionBindingListenerC.javax.servlet.http.HttpSessionCreationListenerD.javax.servlet.http.HttpSessionActivationListener

Which statement is true about web container session management?()A、Access to session-scoped attributes is guaranteed to be thread-safe by the web container.B、To activate URL rewriting, the developer must use the HttpServletResponse.setURLRewriting method.C、If the web application uses HTTPS, then the web container may use the data on the HTTPS request stream to identify the client.D、The JSESSIONID cookie is stored permanently on the client so that a user may return to the web application and the web container will rejoin that session.

Which two prevent a servlet from handling requests.?()A、 The servlet’s init method returns a non-zero status.B、 The servlet’s init method throws a Servlet ExceptionC、 The servlet’s init method sets the Servlet Response’s context length to 0D、 The servlet’s init method sets the Servlet Response’s content type to null.E、 The servlet’s init method does NOT return within a time period defined by the servlet container.

Upon a user’s first visit to the website, which two operations are always performed when the getSession method is called with no arguments in a servlet?()A、 All URLs returned by the server are rewritten.B、 An HttpSession object is created if necessary.C、 The user name and password of the user are checked.D、 The session ID is stored in the HTTP response as a cookie.

Which interface must a session attribute implement if it needs to be notified when a web container persistsa session?()A、javax.servlet.http.HttpSessionListenerB、javax.servlet.http.HttpSessionBindingListenerC、javax.servlet.http.HttpSessionAttributeListenerD、javax.servlet.http.HttpSessionActivationListener

A session-scoped attribute is stored by a servlet, and then that servlet forwards to a JSP page. Which threejsp:useBean attributes must be used to access this attribute in the JSP page?()A、idB、nameC、beanD、typeE、scope

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For which three events can web application event listeners be registered?()A、When a session is createdB、After a servlet is destroyedC、When a session has timed outD、When a cookie has been createdE、When a servlet has forwarded a requestF、When a session attribute value is changed

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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?()AHttpSessionBServletConfigCServletContextDHttpServletRequestEHttpServletResponse

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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?()AREQUEST_URIBjavax.servlet.forward.request_uriCjavax.servlet.forward.REQUEST_URIDjavax.servlet.request_dispatcher.request_uriEjavax.servlet.request_dispatcher.REQUEST_URI

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多选题For which three events can web application event listeners be registered? ()Awhen a session is createdBafter a servlet is destroyedCwhen a session has timed outDwhen a cookie has been createdEwhen a servlet has forwarded a requestFwhen a session attribute value is changed

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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 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

多选题Which two prevent a servlet from handling requests.?()AThe servlet’s init method returns a non-zero status.BThe servlet’s init method throws a Servlet ExceptionCThe servlet’s init method sets the Servlet Response’s context length to 0DThe servlet’s init method sets the Servlet Response’s content type to null.EThe servlet’s init method does NOT return within a time period defined by the servlet container.

单选题Given the HttpServlet code:   getServletContext().setAttribute(“foo”, “value”); What is the result?()A The attribute foo is placed in the applicationB A ServletContextListener registered for that servlet is notifiedC A ServletAttributeListener registered for that servlet is notifiedD An HttpSessionAttributeListener registered for that servlet is notified

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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?()AStore the data in a public instance variable in the servlet.BAdd an attribute to the request object before using the request dispatcher.CAdd an attribute to the context object before using the request dispatcher.DThis CANNOT be done as the tag handler has no means to extract this data.

单选题Servlet的生命周期接口由下列哪个对象定义?()Ajavax.servlet.http.HttpServletBjavax.servlet.http.HttpSessionCjavax.servlet.ServletDjavax.servlet.Session