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单项选择题 You have set Tablespace Full Metrics Threshold values for the USERS tablespace as follows： Warning （%）： 90
Critical （%）： 95
Which background process is responsible for issuing alerts when the threshold is crossed（）

A.System monitor （SMON）
B.Process monitor （PMON）
C.Memory manager process （MMAN）
D.Manageability Monitor process （MMON）

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1.多项选择题Which two statements about the background process of thedatabase writerare true（）

A.It is possible to have multiple database writers in an Oracle instance.
B.It writes dirty buffers， if any， to data files whenever a checkpoint occurs.
C.It writes dirty buffers， if any， to data files whenever a transaction commits.
D.It writes dirty buffers， if any， to data files before the log writer （LGWR） writes.

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2.单项选择题 View the Exhibit and identify the component marked with a question mark. （）

A.Checkpoint （CKPT）
B.Process Monitor （PMON）
C.Archiver Processes （ARCn）
D.Recoverer Process （RECO）
E.Memory Manager process （MMAN）

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3.单项选择题 Note the functionalities of various background processes：
1：Perform recovery at instance startup. SMON
2：Free the resources used by a user process when it fails. PMON
3：Cleanup the database buffer cache when a process fails. PMON
4：Dynamically register database services with listeners. PMON
5：Monitor sessions for idle session timeout. PMON
6：Cleanup unused temporary segments. SMON
7：Record the checkpoint information in control file. CKPT
Which option has the correct functionalities listed for a background process（）

A.Checkpoint （CKPT）： 1， 2， 5
B.System Monitor （SMON）： 1， 6
C.Process Monitor （PMON）： 4， 6， 7
D.Database Writer （DBWR）： 1， 3， 4

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4.单项选择题 Note the following functionalities of various background processes：
1：Record the checkpoint information in data file headers. CKPT
2：Perform recovery at instance startup. SMON
3：Cleanup unused temporary segments. SMON
4：Free the resources used by a user process when it fails.
5：Dynamically register database services with listeners.
6：Monitor sessions for idle session timeout.
Which option has the correct functionalities listed for a background process（）

A.Archiver Process （ARCn）：1， 2，5
B.System Monitor Process （SMON）：1，4，5
C.Process Monitor Process （PMON）：4，5，6
D.Database Writer Process （DBWn）：1，3，4

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5.多项选择题Which two statements are true about Shared SQL Area and Private SQL Area（）

A.Shared SQL Area will be allocated in the shared pool.
B.Shared SQL Area will be allocated when a session starts.
C.Shared SQL Area will be allocated in the large pool always.
D.Private SQL Area will be allocated in the Program Global Area （PGA） always.
E.Shared SQL Area and Private SQL Area will be allocated in the PGA or large pool.
F.The number of Private SQL Area allocations is dependent on the OPEN_CURSORS parameter.

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6.单项选择题 These are points that describe the contents of different memory components:
1: Descriptive information or metadata about schema objects that are queried by using SQL statements
2: The run-time area for data manipulation language (DML) or data definition language (DDL) statements
3: Results of SQL queries and PL/SQL functions
4: Executable forms of SQL cursors, PL/SQL programs, and Java classes
5: The information necessary to reconstruct changes made to the database by a transaction
Which of these will be stored in theShared Poolif the necessary configurations are done（）

A.1 and 2
B.2 and 5
C.1，3，and 4
D.3，4，and 5
E.1，2，3，and 4

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7.单项选择题 You have executed this command to change the size of the database buffer cache： SQL> ALTER SYSTEM SET DB_CACHE_SIZE=2516582； System altered.
To verify the change in size， you executed this command： SQL> SHOW PARAMETER DB_CACHE_SIZE NAME TYPE VALUE
------------------- ----------- ------------------
db_cache_size big integer 4194304 （4M）
Why is the value set to 4194304 and not to 2516582（）

A.because 4194304 is the granule size
B.because 4194304 is the standard block size
C.because 4194304 is the largest nonstandard block size defined in the database
D.because 4194304 is the total size of data already available in the database buffer cache

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8.单项选择题Which is the correct description of a pinned buffer in the database buffer cache（）

A.The buffer is currently being accessed.
B.The buffer is empty and has not been used.
C.The contents of the buffer have changed and must be flushed to the disk by the DBWn process.
D.The buffer is a candidate for immediate aging out and its contents are synchronized with the block contents on the disk.

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9.单项选择题 Identify the memory component from which memory may be allocated for: （）
1: Session memory for the shared server
2: Buffers for I/O slaves
3: Oracle Database Recovery Manager (RMAN) backup and restore operations

A.Large Pool
B.Redo Log Buffer
C.Database Buffer Cache
D.Program Global Area （PGA）

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10.多项选择题 Examine the following statement that is used to modify the constraint on the SALES table： SQL> ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE；
Which three statements are true regarding the above command（）

A.The constraint remains valid.
B.The index on the constraint is dropped.
C.It allows the loading of data into the table using SQL*Loader.
D.New data conforms to the constraint， but existing data is not checked
E.It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.

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