In one of your databases, you create a user, HR, and then execute this command:GRANT CREATE SESSION TO hr WITH ADMIN OPTION;Which three actions can HR perform? (Choose three.) A. Revoke the CREATE SESSION privilege from other users B. Revoke the CREATE SESSION privilege from user HR C. Log in to the database instance D. Grant the CREATE… Read More »
You execute this command:During the export operation, you detach from the job by using CTRL+C and then execute this command:Export> STOP_JOB=immediateAre you sure you wish to stop the job ([yes]/no): yesWhich two statements are true about the job? (Choose two.) A. You can no longer monitor it B. You can reattach to it and monitor it C. It… Read More »
You execute this command:CREATE SMALLFILE TABLESPACE salesDATAFILE ‘/u01/app/oracle/sales01.dbfSIZE 5GSEGMENT SPACE MANAGEMENT AUTO;Which two actions must you take to ensure UNDOTBS01 is used as the default UNDO tablespace? (Choose two.) A. It must be smaller than the smallest BIGFILE tablespace B. Free space is managed using freelists C. Any data files added to the tablespace must have a size… Read More »
Given:executed with this command:java Main one two threeWhat is the output of this class? A. 1) one2) two3) three B. A java.lang.ArrayIndexOutOfBoundsException is thrown. C. 1) one D. The compilation fails. E. nothing Correct Answer: A
Given:executed with this command:java Main one two threeWhat is the result? A. A java.lang.NullPointerException is thrown. B. 0). one1). two2). three C. It creates an infinite loop printing:0). one1). two1). two… D. The compilation fails. E. 0). one Correct Answer: C
Which command line runs the main class com.acme.Main from the module com.example? A. java -classpath com.example.jar -m com.example/com.acme.Main B. java –module-path mods -m com.example/com.acme.Main C. java –module-path mods com.example/com.acme.Main D. java -classpath com.example.jar com.acme.Main Correct Answer: A
Given:executed using command:java Hello “Hello World” Hello WorldWhat is the output? A. An exception is thrown at runtime. B. HelloHello WorldHelloWorld C. Hello WorldHello World D. Hello WorldHelloWorld E. Hello World Hello World Correct Answer: E
Given:executed using this command:java Myclass My Car is redWhat is the output of this class? A. java–Myclass–My B. Myclass–Car–red C. My–Car–is D. My–is–java E. Car–red–My Correct Answer: E
Given:executed with this command:java Main one two threeWhat is the result? A. It creates an infinite loop printing:0). one1). two1). two… B. 0). one C. 0). one1). two2). three D. The compilation fails. E. A java.lang.NullPointerException is thrown. Correct Answer: A
Given:executed with this command:java Main one two threeWhat is the result? A. It creates an infinite loop printing:0). one1). two1). two… B. A java.lang.NullPointerException is thrown. C. 0). one D. 0). one1). two2). three E. The compilation fails. Correct Answer: A