[单项选择] You observe that database performance has degraded over a period of time. While investigating the reason， you find that the size of the database buffer cache is not large enough to cache all the needed data blocks.  Which advisory component would you refer to， in order to determine the required size of the database buffer cache？（）
A. Memory Advisor
B. Segment Advisor
C. SQL Tuning Advisor
D. SQL Access Advisor
E. Automatic Database Diagnostic Monitor （ADDM）

[单项选择]When intruded, a territorial animal will only perform some hostile（）to warn off the intruder.
A. behaviors
B. actions
C. signs
D. gestures

[单项选择]（） controls the operation of the computer and performs it's data processing functions.
A. CPU
B. Disk
C. Memory
D. I/O

[单项选择]Why does the author suggest that you try your perfume or cologne out on somebody else first
A. It may make your date uncomfortable.
B. It may make you feel sick.
C. It may have been out-of-date.
D. It may ruin your dinner.

[单项选择]A network administrator needs to force a high-performance switch that is located in the MDF to become the root bridge for a redundant path switched network. What can be done to ensure that this switch assumes the role as root bridge（）。
A. Establish a direct link from the switch to all other switches in the network.
B. Assign the switch a higher MAC address than the other switches in the network have.
C. Configure the switch so that it has a lower priority than other switches in the network.
D. Configure the switch for full-duplex operation and configure the other switches for half-duplex operation.
E. Connect the switch directly to the MDF router, which will force the switch to assume the role of root bridge.

[单项选择]The poor quality of the film mined the ______ perfect product.
A. rather
B. much
C. otherwise
D. particularly

[单项选择] You observe that database performance has degraded over a period of time. While investigating the reason， you find that the size of the database buffer cache is not large enough to cache all the needed data blocks.  Which advisory component would you refer to， in order to determine the required size of the database buffer cache？（） 
A. Memory Advisor
B. Segment Advisor
C. SQL Tuning Advisor
D. SQL Access Advisor
E. Automatic Database Diagnostic Monitor （ADDM）

[单项选择]The bos.perf package is part of the base operating system. Performance Diagnostic tool， PDT， is a part of bos.perf.  All of the following statements are true EXCEPT？（）
A.  PDT attempts to identify performance problems automatically by collecting and integrating a wide range of performance， configuration and availability data.
B.  PDT consists of three components， the collection component comprises a set of programs that periodically collect and record data， the retention component periodically reviews the collected data and discards data that is obsolete， and the reporting component periodically produces a diagnostic report from the current set of historical data.
C.  PDT contains  motif-based， AIX licensed programs that can easily access tools for system and network performance tuning， monitoring， and analysis.
D.  PDT assesses the current state of a system and tracks changes in workload and performance. It attempts to identify incipient problems and suggest solutions before the problems become critical.

[单项选择]If a kill -9 is performed on the clstrmgrES process， the default action is to halt the system. Tochange the default action to do something other then halting the system， which of the following files must be modified？（）  
A.  /usr/es/sbin/cluster/etc/clexit.rc
B.  /usr/es/sbin/cluster/etc/hacmp.term
C.  /usr/es/sbin/cluster/etc/rc.cluster
D.  /usr/es/sbin/cluster/etc/rc.shutdown