Bob, a user, reports that his computer is running slower since he viewed an online training<br /> presentation. Bob is also receiving an increased amount of spam email.<br /> Which of the following is the MOST likely cause of Bob’s issue?（）..

第1题

[] Which of the following statements allows BOB to revoke access to the SAMPLE database from user TOM?（）

A、A.REVOKE ACCESS ON DATABASE FROM USER bob B、B.REVOKE CONNECT ON DATABASE FROM USER tom C、C.REVOKE tom FROM ACCESS ON DATABASE BY USER bob D、D.REVOKE tom FROM CONNECT ON DATABASE BY USER bob

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第2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 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、A./test/Chess.class B、B./home/bob/Chess.class C、C./test/games/Chess.class D、D./usr/lib/games/Chess.class E、E./home/bob/games/Chess.class F、F.inside jarfile/opt/java/lib/Games.jar（withacorrectmanifest） H、G.inside jarfile/home/bob/downloads/Games.jar（withacorrectmanifest）

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第3题

[单选题] 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) H、inside jarfile /home/bob/downloads/Games.jar (with a correct manifest)

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第4题

[单选题] 若Bob给Alice发送一封邮件，并想让Alice确信邮件是由Bob发出的，则 Bob应该选用（）对邮件加密。

A、Alice的公钥 B、Alice的私钥 C、Bob公钥 D、Bob的私钥

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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’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 UNIX user named Bob wants to replace his chess program with a new one， but he is not sure where&ens

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

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第6题

[多选题] Which two applications can be used by a user to report emergency work， if the user at least wants to report downtime， classify the request， and report actuals？（）

A、 Job Plan B、 Quick Reporting C、 Labor Reporting D、 Work Order Tracking E、 Assignment Manager

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第7题

[单选题] 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

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第8题

[单选题] Which of the following commands will fail？（）

A、 report schema B、 report need backup C、 report need backup days 3 D、 report user E、 report obsolete

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第9题

[] 如下图所示，Alice用Bob的密钥加密明文，将密文发送给Bob。Bob再用自己的私钥解密，恢复出明文。以下说法正确的是（）如下图所示，Alice用Bob的密钥加密明文，将密文发送给Bob。Bob再用自己的私钥解密，恢复出明文。以下说法正确的是（）

A、A.此密码体制为对称密码体制 B、B.此密码体制为私钥密码体制 C、C.此密码体制为单钥密码体制 D、D.此密码体制为公钥密码体制

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Bob, a user, reports that his computer is running slower since he viewed an online training<br /> presentation. Bob is also receiving an increased amount of spam email.<br /> Which of the following is the MOST likely cause of Bob&rsquo;s issue?（）

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Bob, a user, reports that his computer is running slower since he viewed an online training<br /> presentation. Bob is also receiving an increased amount of spam email.<br /> Which of the following is the MOST likely cause of Bob’s issue?（）