单选题A programmer needs to create a logging method that can accept an arbitrary number of arguments.Forexample，it may be called in these ways： logIt（"log message 1"）； logIt（"log message 2”，”log message 3"）； logIt（"log message 4"，"log message 5"，"log message

第1题：

Which can appropriately be thrown by a programmer using Java SE technology to create a desktop application？（）

• A、ClassCastException
• B、NullPointerException
• C、NoClassDefFoundError
• D、NumberFormatException
• E、ArrayIndexOutOfBoundsException

第2题：

A JSP page needs to perform some operations before servicing the first request. Where can this be done？（）

• A、 within a method called jspInit
• B、 within the page directive of the JSP page
• C、 within a scriptlet at the top of the JSP page
• D、 within the  XML element

第3题：

In your web application，you need to execute a block of code whenever the session object is first created. Which design will accomplish this goal？（）

• A、Create an HttpSessionListener class and implement the sessionInitialized method with that block ofcode.
• B、Create an HttpSessionActivationListener class and implement the sessionCreated method with thatblock of code.
• C、Create a Filter class， call the getSession（false） method， and if the result was null， then execute that block of code.
• D、Create an HttpSessionListener class and implement the sessionCreated method with that block of code.

第4题：

In the past several months， manual intervention has been required to correct improper cluster configuration changes. The administrator received a directive from management to create a more effective strategy for making the changes required fro month-end processing.  How can HACMP be used to meet the requirements of management’s directive？（）  

• A、 Create a snapshot for each of the required cluster configurations.
• B、 Create a custom snapshot method to handle the configuration changes.
• C、 Create a custom verification method to verify configuration changes.
• D、 Create a cluster custom event to mange required configuration changes.

第5题：

Which two statements regarding the LOGGING clause of the CREATE TABLESPACE. .. statement are correct？（）

• A、This clause is not valid for a temporary or undo tablespace.
• B、If the tablespace is in the NOLOGGING mode， no operation on the tablespace will generate redo.
• C、The tablespace will be in the NOLOGGING mode by default， if not specified while creating a tablespace.
• D、The tablespace­level logging attribute can be overridden by logging specifications at the table， index， materialized view， materialized view log， and partition levels.

第6题：

Which two can be used to create a new Thread？ （）

• A、 Extend java.lang.Thread and override the run method.
• B、 Extend java.lang.Runnable and override the start method.
• C、 Implement java.lang.thread and implement the run method.
• D、 Implement java.lang.Runnable and implement the run method.
• E、 Implement java.lang.Thread and implement the start method.

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第13题：

A client has a temporary deployment of a new static application that needs to run for a short period of time and is not going to change. How can this deployment be achieved with a minimum of effort and time?（）

• A、Run a system WPAR and deploy the application.
• B、Create a new LPAR and deploy the application.
• C、Create an application WPAR to deploy the application.
• D、Create an LPAR hosted by a VIO server and deploy the application.

第14题：

Your web application requires the adding and deleting of many session attributes during a complex usecase. A bug report has come in that indicates that an important session attribute is being deleted too soonand a NullPointerException is being thrown several interactions after the fact. You have decided to create asession event listener that will log when attributes are being deleted so you can track down when theattribute is erroneously being deleted. Which listener class will accomplish this debugging goal？（）

• A、Create an HttpSessionAttributeListener class and implement the attributeDeleted method and log the attribute name using the getName method on the event object.
• B、Create an HttpSessionAttributeListener class and implement the attributeRemoved method and log the attribute name using the getName method on the event object.
• C、Create an SessionAttributeListener class and implement the attributeRemoved method and log the attribute name using the getAttributeName method on the event object.
• D、Create an SessionAttributeListener class and implement the attributeDeleted method and log the attribute name using the getAttributeName method on the event object.

第15题：

You are creating a Windows Communication Foundation (WCF) service that implements the following service contract.[ServiceContract]public interface IOrderProcessing { [OperationContract] void ApproveOrder(int id);}You need to ensure that only users with the Manager role can call the ApproveOrder method. What should you do?（）

• A、In the method body, check the Rights PosessesProperty property to see if it contains Manager
• B、Add a PrincipalPermission attribute to the method and set the Roles property to Manager
• C、Add a SecurityPermission attribute to the method and set the SecurityAction to Demand
• D、In the method body, create a new instance of WindowsClaimSet. Use the FindClaims method to locate a claimType named Role with a right named Manager

第16题：

A programmer needs to create a logging method that can accept an arbitrary number of arguments. For example， it may be called in these ways：  logIt（”log message 1 “）；  logIt（”log message2”，”log message3”）；  logIt（”log message4”， “log message5”， “log message6）；  Which declaration satisfies this requirement？（）

• A、 public void logIt（String * msgs）
• B、 public void logIt（String [] msgs）
• C、 public void logIt（String... msgs）
• D、 public void logIt（String msg1， String msg2， String msg3）

第17题：

You are developing a custom-collection class.You need to create a method in your class. You need to ensure that the method you create in your class returns a type that is compatible with the Foreach statement. Which criterion should the method meet？（）

• A、The method must return a type of either IEnumerator or IEnumerable.
• B、The method must return a type of IComparable.
• C、The method must explicitly contain a collection.
• D、The method must be the only iterator in the class.

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