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单选题
Which statement must you issue to an already-running Automatic Storage Management （ASM） instance to prevent database instances from connecting to the ASM instance？（）
A
ALTER SYSTEM KILL SESSION
B
ALTER SYSTEM DISCONNECT SESSION
C
ALTER SYSTEM QUIESCE RESTRICTED
D
ALTER SYSTEM ENABLE RESTRICTED SESSION
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Which statement must you issue to an already-running Automatic Storage Management （ASM） instance to prevent database instances from connecting to the ASM instance？（） A、 ALTER SYSTEM KILL SESSIONB、 ALTER SYSTEM DISCONNECT SESSIONC、 ALTER SYSTEM QUIESCE RESTRICTEDD、 ALTER SYSTEM ENABLE RESTRICTED SESSION
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You must have a console connectionB
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When prompted to enter the full pah name of the shell you must press the Enter key
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考题
单选题In your multitenant container database (CDB) with two pluggable database (PDBs). You want to create a new PDB by using SQL Developer. Which statement is true?（）A
The CDB must be open.B
The CDB must be in the mount stage.C
The CDB must be in the nomount stage.D
Alt existing PDBs must be closed.
考题
单选题Which statement is true regarding the password-recovery process?（）A
You must have a console connection.B
You cannot set the console port to an insecure mode.C
You must press the Enter key so that you can boot into single-user mode.D
When prompted to enter the full pathname of the shell, you must press the Enter key.
考题
单选题You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What does the statement generate？（）A
A text copy of the control file.B
A binary copy of the control file.C
A file containing a SQL statement which will re-create the database.D
A file containing a SQL statement which will re-create the control file.
考题
单选题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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多选题From SQL*Plus, you issue this SELECT statement: SELECT* FROM order; You use this statement to retrieve data from a data table for （）.AUpdatingBViewingCDeletingDInsertingETruncating
考题
单选题Click the Exhibit button. In the exhibit, which statement is correct? （）A
Three physical interfaces are redundant.B
You must define an additional Redundancy Group.C
node 0 will immediately become primary in the cluster.D
You must issue an operational command and reboot the system for the above configuration to take effect.
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