多选题Which two are true about the tag handler referneed by my Tag. （）AThe do Start Tag method is called once.BThe do After Body method is NOT called.CThe EVAL_Page constant is a valid return value for the do End Tag Method.Dthe EVAL_BODY_BUFFERED constant i

第1题：

Given： 6. 7.<%="processing" %> 8. and a custom tag handler for foo which extends TagSupport. Which two are true about thetag handler referenced by foo？（）

• A、The doStartTag method is called once.
• B、The doAfterBody method is NOT called.
• C、The EVAL_PAGE constant is a valid return value for the doEndTag method.
• D、The SKIP_PAGE constant is a valid return value for the doStartTag method.
• E、The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.

第2题：

Assume the tag handler for a st：simple tag extends Simple Tag Support. In what way can scriptlet code beused in the body of st：simple？（）

• A、Set the body content type to JSP in the TLD
• B、Scriptlet code is NOT legal in the body of st：simple.
• C、Add scripting-enabled="true" to the start tag for the st：simple element
• D、Add a pass-through Classic tag with a body content type of JSP to the body of st：simple， and place the scriptlet code in the body of that tag

第3题：

You are creating a content management system （CMS） with a web application front-end. The JSP thatdisplays a given document in the CMS has the following general structure： 1. <%-- tag declaration --%> 2.  ... 11. ...  ... ... 99.  The citation tag must store information in the document tag for the document tag to generate a referencesection at the end of the generated web page. The document tag handler follows the Classic tag model andthe citation tag handler follows the Simple tag model. Furthermore， the citation tag could also be embeddedin other custom tags that could have either the Classic or Simple tag handler model. Which tag handlermethod allows the citation tag to access the document tag？（）

• A、public void doTag（） {JspTag docTag = findAncestorWithClass（this， DocumentTag.class）； （（DocumentTag）docTag）.addCitation（this.docID）；}
• B、public void doStartTag（） {JspTag docTag = findAncestorWithClass（this， DocumentTag.class）； （（DocumentTag）docTag）.addCitation（this.docID）；}
• C、public void doTag（） {. Tag docTag = findAncestor（this， DocumentTag.class）； . （（DocumentTag）docTag）.addCitation（this.docID）；. }
• D、public void doStartTag（） {. Tag docTag = findAncestor（this， DocumentTag.class）； . （（DocumentTag）docTag）.addCitation（this.docID）；. }

第4题：

Which statement is true if the doStartTag method returns EVAL_BODY_BUFFERED？（）

• A、The tag handler must implement BodyTag.
• B、The doAfterBody method is NOT called.
• C、The setBodyContent method is called once.
• D、It is never legal to return EVAL_BODY_BUFFERED from doStartTag.

第5题：

Under what two circumstances is the set JspBody method NOT called in a tag class that implements the Simple Tag interface？ （）

• A、 The tag is invoked without a body.
• B、 The doTAb method throws an exception.
• C、 The  element has the value empty.
• D、 The tag is called with the attribute skip-body=true

第6题：

Which two statements are true about the security-related tags in a valid Java EE deployment descriptor？（）

• A、Every  tag must have at least one  tag.
• B、A  tag can have many  tags.
• C、A given  tag can apply to only one  tag.
• D、A given  tag can contain from zero to many  tags.
• E、It is possible to construct a valid  tag such that，for a given resource，no user rolescan access that resource.

第7题：

Given the Tag：   Assuming the tag referenced by my Tags： get Advice uses the Classic event model，  which is true？（）

• A、 The do After Body method is called.
• B、 The doEnd Tag method is NOT called.
• C、 The type attribute may be specified in the TLD
• D、 The do Start Tag Method must always return SKIP_BODY.
• E、 The TLD for this tag must NOT include a  tag.

第8题：

A custom JSP tag must be able to support an arbitrary number of attributes whose names are unknown when the tag class is designed.  Which two are true？ （）

• A、 A  element in the echo tag LTD must have the value JSP
• B、 The echo tag handler must define the setAttribute （String key， String value） method
• C、 The true element must appear in the echo tag TLD
• D、 The class implementing the echo tag handler must implement the javax.sevlet.jsp.tagext.IterationTag interface
• E、 The class implementing the echo tag handler must implement the javax.sevlet.jsp.tagext.DynamicAttributes interface

第9题：

Which statement is true if the do Start Tag method returns EVAL_BODY_BUFFERED？（）

• A、 The tag handler must extend body Tag.
• B、 The do After Body method is NOT called.
• C、 The set Body Content method is called.
• D、 It is never legal to return EVAL_BODY_BUFFERED from do Start Tag.

第10题：

Assume the tag handler for a st：simpletag extends SimpleTagSupport. In what way can scriptlet code be used in the body of st：simple？（）

• A、 Set the body content type to JSP in the TLD
• B、 Scriptlet code is NOT legal in the body of st：simple
• C、 Add scripting-enabled= “true” to the start tag for the st：simple element
• D、 Add a pass-through Classic tag with a body content type of JSP to the body of st：simple， and      place the scriptlet code in the body of that tag.