SUN 310-083 問題集

質問 1：
Which statement is true if the doStartTag method returns EVAL_BODY_BUFFERED ?
A. It is never legal to return EVAL_BODY_BUFFERED from doStartTag.
B. The setBodyContent method is called once.
C. The tag handler must implement BodyTag.
D. The doAfterBody method is NOT called.
正解：B

質問 2：
Your company has a corporate policy that prohibits storing a customer's credit card number in any corporate database. However, users have complained that they do NOT want to re- enter their credit card number for each transaction. Your management has decided to use client-side cookies to record the user's credit card number for 120 days. Furthermore, they also want to protect this information during transit from the web browser to the web container; so the cookie must only be transmitted over HTTPS. Which code snippet creates the "creditCard" cookie and adds it to the out going response to be stored on the user's web browser?
A. 10. Cookie c = new Cookie("creditCard", usersCard);
1 1. c.setHttps(true);
1 2. c.setMaxAge(10368000);
1 3. response.setCookie(c);
B. 10. Cookie c = new Cookie("creditCard", usersCard);
1 1. c.setSecure(true);
1 2. c.setMaxAge(10368000);
1 3. response.addCookie(c);
C. 10. Cookie c = new Cookie("creditCard", usersCard);
1 1. c.setHttps(true);
1 2. c.setAge(10368000);
1 3. response.addCookie(c);
D. 10. Cookie c = new Cookie("creditCard", usersCard);
1 1. c.setSecure(true);
1 2. c.setAge(10368000);
1 3. response.setCookie(c);
E. 10. Cookie c = new Cookie("creditCard", usersCard);
1 1. c.setSecure(true);
1 2. c.setAge(10368000);
1 3. response.addCookie(c);
正解：B

質問 3：
Given an HttpServletRequest request and HttpServletResponse response, which sets a cookie "username" with the value "joe" in a servlet?
A. request.addCookie("username", "joe")
B. response.addHeader(new Cookie("username", "joe"))
C. response.addCookie("username", "joe")
D. request.addHeader(new Cookie("username", "joe"))
E. request.addCookie(new Cookie("username", "joe"))
F. response.addCookie(new Cookie("username", "joe"))
G. request.setCookie("username", "joe")
正解：F

質問 4：
Within the web application deployment descriptor, which defines a valid JNDI environment entry?
A. <env-entry>
< env-entry-name>param/MyExampleString</env-entry-name>
< env-entry-value>This is an Example</env-entry-value>
< /env-entry>
B. <env-entry>
< env-entry-name>param/MyExampleString</env-entry-name>
< env-entry-type>int</env-entry-type>
< env-entry-value>10</env-entry-value>
< /env-entry>
C. <env-entry>
< env-entry-type>java.lang.Boolean</env-entry-type>
< env-entry-value>true</env-entry-value>
< /env-entry>
D. <env-entry>
< env-entry-name>param/MyExampleString</env-entry-name>
< env-entry-type>java.lang.String</env-entry-type>
< env-entry-value>This is an Example</env-entry-value>
< /env-entry>
正解：D

質問 5：
Which mechanism requires the client to provide its public key certificate?
A. HTTPS Client Authentication
B. HTTP Basic Authentication
C. HTTP Digest Authentication
D. Form Based Authentication
正解：A

質問 6：
Which basic authentication type is optional for a J2EE 1.4 compliant web container?
A. HTTPS Client Authentication
B. HTTP Basic Authentication
C. HTTP Digest Authentication
D. Form Based Authentication
正解：C

質問 7：
Which two are true concerning the objects available to developers creating tag files?
(Choose two.)
A. The output stream is available through the implicit outStream object.
B. The servlet context is available through the implicit servletContext object.
C. The request and response objects are available implicitly.
D. The JspContext for the tag file is available through the implicit jspContext object.
E. The session object must be declared explicitly.
正解：C,D