A class games.cards.Poker is correctly defined in the jar file Poker.jar.  A user wants to execute the main method of Poker on a UNIX system using the command：  java games.cards.Poker  What allows the user to do this？（） A、 put Poker.jar in directory /stu

第1题：

A UNIX user named Bob wants to replace his chess program with a new one，but he is hot sure where the old one is in stalled.Bob is currently able to run a Java chess program starting from his home directory/home/bobusingthecommand： java-classpath/test：/home/bob/downloads/*.jargames.ChessBob’sCLASSPATHisset（atlogintime）to： /usr/lib：/home/bob/classes：/opt/java/lib：/opt/java/lib/*.jar What is a possible location for the Chess.class file？（）

• A、/test/Chess.class
• B、/home/bob/Chess.class
• C、/test/games/Chess.class
• D、/usr/lib/games/Chess.class
• E、/home/bob/games/Chess.class
• F、inside jarfile/opt/java/lib/Games.jar（withacorrectmanifest）
• G、inside jarfile/home/bob/downloads/Games.jar（withacorrectmanifest）

第2题：

Given a correctly compiled class whose source code is：  package com.sun.sjcp；  public class Commander {  public static void main（String[] args） {  // more code here  }  }  Assume that the class file is located in /foo/com/sun/sjcp/， the current directory is /foo/， and that the classpath contains “.“ （current directory）. Which command line correctly runs Commander？（） 

• A、 java Commander
• B、 java com. sim. sjcp.Commander
• C、 java com/sun/sjcp/Commander
• D、 java -cp com.sun.sjcp Commander
• E、 java -cp com/sun/sjcp Commander

第3题：

A class games.cards.Poker is correctly defined in the jar file Poker.jar. A user wants to execute the main method of Poker on a UNIX system using the command：java games.cards. Poker What allows the user to do this？（）

• A、put Poker.jar in directory /stuff/java， and set the CLASSPATH to include /stuff/java
• B、put Poker.jar in directory /stuff/java， and set the CLASSPATH to include /stuff/java/*.jar
• C、put Poker.jar in directory /stuff/java， and set the CLASSPATH to include /stuff/java/Poker.jar
• D、put Poker.jar in directory /stuff/java/games/cards， and set the CLASSPATH to include /stuff/java

第4题：

A UNIX user named Bob wants to replace his chess program with a new one， but he is not sure where theold one is installed.  Bob is currently able to run a Java chess program starting from his home directory /home/bob using thecommand： java -classpath /test：/home/bob/downloads/*.jar games. Chess Bob’s CLASSPATH is set （at login time） to： /usr/lib：/home/bob/classes：/opt/java/lib：/opt/java/lib/*.jar What is a possible location for the Chess.class file？（）

• A、/test/Chess.class
• B、/home/bob/Chess.class
• C、/test/games/Chess.class
• D、/usr/lib/games/Chess.class
• E、/home/bob/games/Chess.class

第5题：

A UNIX user named Bob wants to replace his chess program with a new one, but he is not sure where theold one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command: java-classpath /test:/home/bob/downloads/*.jar games.Chess Bob'sCLASSPATH is set (at login time) to/usr/lib:/home/bob/classes:/opt/java/lib:/opt/java/lib/*.jar What is a possible location for the Chess.class file?（）

• A、/test/Chess.class
• B、/home/bob/Chess.class
• C、/test/games/Chess.class
• D、/usr/lib/games/Chess.class
• E、/home/bob/games/Chess.class
• F、inside jarfile /opt/java/lib/Games.jar (with a correct manifest)
• G、inside jarfile /home/bob/downloads/Games.jar (with a correct manifest)

第6题：

You issued the following command at the UNIX environment：   % setenv ORA_SDTZ ’OZ_TZ’   What will be the impact of issuing the above command？（）  

• A、 The operating system local time zone will be set for a user session using the operating system environment variable.
• B、 The database local time zone will be set for a user session using the operating system environment variable.
• C、 The operating system local time zone will be set for the database using the operating system environment
• D、 The database local time zone will be set for the database using the operating system environment variable.

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第13题：

A class games.cards.Poker is correctly defined in the jar file Poker.jar. A user wants to execute the main method of Poker on a UNIX system using the command： java games.cards.Poker What allows the user to do this？（）

• A、put Poker.jar in directory /stuff/java，and set the CLASSPATH to include /stuff/java
• B、put Poker.jar in directory /stuff/java，and set the CLASSPATH to include /stuff/java/*.jar
• C、Put Poker.jar in directory /stuff/java，and set the CLASSPATH to include /stuff/java/Poker.jar
• D、put Poker.jar in directory /stuff/java/games/cards，and set the CLASSPATH to include /stuff/java
• E、put Poker.jar in directory /stuff/java/games/cards，and set the CLASSPATH to include /stuff/java/*.jar
• F、put Poker.jar in directory /stuff/java/games/cards，and set the CLASSPATH to include /stuff/java/Poker.jar

第14题：

A UNIX user named Bob wants to replace his chess program with a new one， but he is hot sure where the old one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command：  java -classpath /test：/home/bob/downloads/* .jar games.Chess  Bob‟s CLASSPATH is set （at login time） to：  /usr/lib：/home/bob/classes：/opt/java/lib：/opt/java/lib/* .jar  What is a possible location for the Chess.class file？（） 

• A、 /test/Chess.class
• B、 /home/bob/Chess.class
• C、 /test/games/Chess.class
• D、 /usr/lib/games/Chess.class
• E、 /home/bob/games/Chess.class
• F、 inside jarfile /opt/java/lib/Games.jar （with a correct manifest）
• G、 inside jarfile /home/bob/downloads/Games.jar （with a correct manifest）

第15题：

A developer is creating a class Book, that needs to access class Paper. The Paper class is deployed in a JAR named myLib.jar. Which three, taken independently, will allow the developer to use the Paper class while compiling the Book class?（）

• A、The JAR file is located at $JAVA_HOME/jre/classes/myLib.jar.
• B、The JAR file is located at $JAVA_HOME/jre/lib/ext/myLib.jar..
• C、The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar/Paper.class.
• D、The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar.
• E、The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -cp /foo/myLib.jar/Paper Book.java.
• F、The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -d /foo/myLib.jar Book.java
• G、The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac -classpath /foo/myLib.jar Book.java

第16题：

A UNIX user named Bob wants to replace his chess program with a new one， but he is not sure where theold one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command： java -classpath /test：/home/bob/downloads/*.jar games.Chess Bob’s CLASSPATH is set （at login time） to： /usr/lib：/home/bob/classes：/opt/java/lib：/opt/java/lib/*.jar  What is a possible location for the Chess.class file？（）

• A、/test/Chess.class
• B、/home/bob/Chess.class
• C、/test/games/Chess.class
• D、/usr/lib/games/Chess.class
• E、/home/bob/games/Chess.class

第17题：

A developer is creating a class Book， that needs to access class Paper. The Paper class is deployed in a JAR named myLib.jar.  Which three， taken independently， will allow the developer to use the Paper class while compiling the Bookclass？（）

• A、The JAR file is located at $JAVA_HOME/jre/classes/myLib.jar.
• B、The JAR file is located at $JAVA_HOME/jre/lib/ext/myLib.jar..
• C、The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar/Paper.class.
• D、The JAR file is located at /foo/myLib.jar and a classpath environment variable is set that includes /foo/myLib.jar.
• E、The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac - cp /foo/myLib.jar/Paper Book.java.
• F、The JAR file is located at /foo/myLib.jar and the Book class is compiled using javac - classpath /foo/myLib.jar Book.java

第18题：

You are designing a strategy for migrating the UNIX user accounts to Active Directory.  Which three actions should you perform？（）

• A、 Import the user accounts as inetOrgPerson objects.
• B、 Import the user accounts into Active Directory by using the Ldifde command-line tool.
• C、 Export all user accounts from the UNIX servers to a text file.
• D、 Export all user accounts and their passwords from the UNIX servers to a text file. Encrypt this file to achieve extra security.
• E、 Assign random passwords to each user object， and securely distribute the password to the users.
• F、 Create the same strong password for each user object， and require users to change their passwords at first logon.
• G、 Instruct users to use the same name and password as they used on the UNIX servers.

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