Which is true about the web container request processing mod

第1题：

Which the three are true about servlet filters？（）

• A、 A filter must implement the destroy method
• B、 A filter must implement the doFilter method
• C、 A servlet may have multiple filters associated with it
• D、 A servlet that is to have a filter applied to it must implement the javax.servlet.FilterChain  interface
• E、 A filter that is part of a filter chain passes control to the next filter in the chain by invoking the filterChain forward method
• F、 For each  element in the web application deployment descriptor， multiple instances of a filter may be created by the web container

第2题：

Which is the true choice about the web container request processing model（）？

• A、 The init method on a filter is called the first time a servlet mapped to that filter is invoked
• B、 A filter defined for a servlet must always forward control to the next resource in the filter chain.
• C、 Filters associated with a named servlet are applied in the order they appear in the web application deployment descriptor file
• D、 If the init method on a filter throws an UnavailableException， then the container will make no further attempt to execute it

第3题：

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.

第4题：

Which two are true regarding a web application class loader？（）

• A、A web application may override the web container’s implementation classes.
• B、A web application running in a J2EE product may override classes in the javax.* namespace.
• C、A web application class loader may NOT override any classes in the java.* and javax.* namespaces.
• D、Resources in the WAR class directory or in any of the JAR files within the library directory may be accessed using the J2SE semantics of getResource.

第5题：

Which ONE of the following statements about Domino Enterprise server is true？（）

• A、Can host Active Server Pages Web sites
• B、Can host PHP Web sites
• C、Includes a DB2 server
• D、Includes an integrated Web application server

第6题：

Which two are true about authentication？（）

• A、Form-based logins should NOT be used with HTTPS.
• B、When using Basic Authentication the target server is NOT authenticated.
• C、J2EE compliant web containers are NOT required to support the HTTPS protocol.
• D、Web containers are required to support unauthenticated access to unprotected web resources.

第7题：

which of the following is not true about the classification of the cantainers？（）

• A、containers are classified as general purpose (dry cargo) container and specific purpose container
• B、general purpose container (GP) is suitable for the widest varieties of cargo
• C、specific purpose container is suitable for the specific cargo
• D、bulk container， reefer container， open-top container are all general purpose containers

第8题：

Which statement is true about a distributed call control environment and the processing of dialed digits from an IP phone？（）

• A、The router that is directly connected to the IP phone will look up the called number in its call routing table.
• B、The router that is directly connected to the IP phone will inform its call agent when a service request is detected.
• C、When the IP phone is picked up，the IP phone initiates the service request.
• D、The directly connected router passes the collected digits to its call agent，and the call agent looks up in its call-routing table the called number.

第9题：

Given in a single JSP page： <%@ taglib prefix=’java’ uri=’myTags’ %> <%@ taglib prefix=’JAVA’ uri=’moreTags’ %>  Which two are true？（）

• A、The prefix ’java’ is reserved.
• B、The URI ’myTags’ must be properly mapped to a TLD file by the web container.
• C、A translation error occurs because the prefix is considered identical by the web container.
• D、For the tag usage ， the tag1 must be unique in the union of tag names in ’myTags’ and’moreTags’.

第10题：

You are building a Front Controller using a JSP page and you need to determine if the user’s session hasNOT been created yet and perform some special processing for this case. Which scriptlet code snippet willperform this test？（）

• A、<% if （ request.getSession（false） == null ） {// special processing} %>
• B、<% if （ request.getHttpSession（false） == null ） {// special processing} %>
• C、<% if （ requestObject.getSession（false） == null ） { // special processing} %>
• D、<% if （ requestObject.getHttpSession（false） == null ） { // special processing} %>