默认题库 - SCDCD(310-081)

多选题

Assume the scoped attribute priority does NOT yet exist. Which two create and set new request-scoped attribute priority to the value “medium”？（）

A. ${priority = ‘medium’ }
B. ${requestScope[ ‘priority’ ] = ‘medium’ }

D. medium

F. medium

多选题

Given： 1. public interface Foo { 2. int k = 4： 3. } Which three are equivalent to line 2？（）

A. final int k = 4：
B. public int k = 4：
C. static int k = 4：
D. private int k = 4：
E. abstract int k = 4：
F. volatile int k = 4：
G. transient int k = 4：
H. protected int k = 4：

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单选题

A Company.com developer is designing the presentation tier for a web application that relies on a complex session bean. The session bean is still being developed and the APIs for are NOT finalized. Any changes to the session bean API directly impacts the development of the presentation tier. Which design pattern provides a means to manage the uncertainty in the API？（）

A. View Helper
B. Front Controller
Composite View
D. Intercepting Filter
E. Business Delegate
F. Chain of Responsibility

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单选题

A developer wants too use EL to invoke a function using S{my：bloof（“foof”）}. Which is always true？（）

A. The method invoked by this function must be statie.
B. The function class must implement the Function interface.
C. The expression is NOT a valid EL expression for invoking a function.
D. The function must be declared in a web.xml file using the element.
E. The function class must have a method with the signature：Void bloof （java.lang.Strings）

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多选题

Which two HTTP methods are used to process from data in a servlet？（）

A. do GET
B. do Put
C. do Post
D. do Trace
E. do Submit
F. do Proce

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多选题

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？（）

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.

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多选题

Which four types of object can be thrown using the throw statement？（）

A. Error
B. Event
C. Object
D. Exception
E. Throwable
F. Runtime Exceptio

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单选题

Given a JSP error page， which implicit object refers to the uncaught Throwable that resulted in th epage being invoked？（）

A. Error
B. Exception
C. Throwable
D. Request error
E. Request exceptio

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多选题

Which two authentication mechanisms provide weaker protection than other mechanisms？（）

A. HTTP Basic Authentication
B. Form Based Authentication
C. HTTP Digest Authentication
D. HTTPS Client Authenticatio

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多选题

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

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.* namespace
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
E. Resources in the WAR class directory or in any of the JAR files within the library directory cannot be accessed using the J2SE semantics of getResource

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Assume the scoped attribute priority does NOT yet exist. Which two create and set new request-scoped attribute priority to the value “medium”？（）

Given： 1. public interface Foo { 2. int k = 4： 3. } Which three are equivalent to line 2？（）

A developer wants too use EL to invoke a function using S{my：bloof（“foof”）}. Which is always true？（）

Which two HTTP methods are used to process from data in a servlet？ （）

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？（）

Which four types of object can be thrown using the throw statement？（）

Given a JSP error page， which implicit object refers to the uncaught Throwable that resulted in th epage being invoked？（）

Which two authentication mechanisms provide weaker protection than other mechanisms？（）

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

Which two HTTP methods are used to process from data in a servlet？（）