Which three elements can a job chain process involve？（）

A

 an event

B

 a schedule

C

 a program

D

 another chain

E

 a lightweight job

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• our database instance is running. You are not able to access Oracle Enterprise Manager Database Control because the listener is not started.Which tool or utility would you use to start the listener?（）

  A、Oracle Net Manager

  B、Listener Control utility

  C、Database Configuration Assistant

  D、Oracle Net Configuration Assistant

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• Your database has experienced a loss of datafile users_01.dbf, which is associated with a ablespace called USERS. The database is still running. Which answer properly describes the rder of the steps that you would use to recover from this error?（） 1.Shut down the database. 2.Take the users_01.dbf datafile offline with the alter database command. 3.Restore the users_01.dbf datafile from backup media with the required archived redo logs. 4.Restore all users tablespace-related datafiles from backup media. 5.Issue the recover tablespace users command. 6.Issue the recover datafile users_01.dbf command. 7.Start up the database. 8.Bring the users_01.dbf datafile online with the alter database command.

  A、1，3，6，7

  B、2，3，6，8

  C、1，2，3，6，7

  D、1，2，3，6，，7，8

  E、2，3，6，5，7

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• Which of the following can be used in conjunction with a Flashback Versions Query to filter the results？（）

  A

   A range of SCN values

  B

   A list of SCN values

  C

   A starting and ending timestamp

  D

   Minimum and maximum sequence values

  E

   A list of sequence values

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• You are managing an ASM instance. You previously issued the following statements: ALTER DISKGROUP dg1 DROP DISK disk2; ALTER DISKGROUP dg1 DROP DISK disk3; ALTER DISKGROUP dg1 DROP DISK disk5; You want to cancel the disk drops that are pending for the DG1 disk group. Which statement should you issue?（）

  A、ALTER DISKGROUP dg1 UNDROP disk2, disk3, disk5;

  B、ALTER DISKGROUP dg1 UNDROP;

  C、ALTER DISKGROUP dg1 UNDROP DISKS;

  D、You cannot cancel the pending disk drops.

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• Evaluate the following block of code：   BEGIN DBMS_NETWORK_ACL_ADMIN.CREATE_ACL （ acl =>  ’mycompany-com-permissions.xml’， principal => ’ACCT_MGR’， is_grant => TRUE， privilege => ’connect’）；  DBMS_NETWORK_ACL_ADMIN.ASSIGN_ACL （ acl => ’mycompany-com-permissions.xml’， host => ’*.mycompany.com’）； END；   What is the outcome of the above code？（）

  A、 It produces an error because a fully qualified host name needs to be specified.

  B、 It produces an error because the range of ports associated with the hosts has not been specified.

  C、 It creates an access control list （ACL） with the user ACCT_MGR who gets the CONNECT and RESOLVE privileges.

  D、 It creates an access control list （ACL） with the user ACCT_MGR who gets the CONNECT privilege but not the RESOLVE privilege.

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