After removing several obsolete programs from a PC, a user is experiencing slower than usuallyprocessing times. Which of the following would be the BEST way to speed up the processing? （）
第1题：
A.space
B.suburb
C.neighborhood
D.area
第2题：
A. Only data files and the control file are backed up.
B. Archived redo logs are backed up only I f the database is open during the backup.
C. The backup is deleted after one day, regardless of the default retention policy settings.
D. The backup becomes obsolete after one day, regardless of the default retention policy settings.
第3题：
A.much improvement
B.several improvements
C.many improvement
D.some improvement
第4题：
第5题：
Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger? .
A.Reduce engine speed to idle before removing the filter
B.Soak the dirty filter in kerosene only
C.Blow out the air inlet with compressed air
D.Cover the air inlet after removing the filter
第6题：
People tend to make mistake when ____.
A. they perform. several challenging tasks at a time.
B. new messages are processed one after another
C. their relationships with others are affected
D. the tasks require little thought
第7题：
A.Removing a fileset update leaving the base fileset
B.Removing a base fileset in the BROKEN state
C.Removing a base fileset in the COMMITTED state and all fileset updates in the APPLIED stat
D.Removing a base fileset in the COMMITTED state and all fileset updates in the COMMITTED state
第8题：
A. arrested
B. admitted
C. revealed
D. cheated
第9题：
Except in rare cases, it is impossible to extinguish a shipboard fire by ______.
A.removing the heat
B.removing the oxygen
C.removing the fuel
D.interrupting the chain reaction
第10题：
A system administrator has disabled USB ports after experiencing several virus outbreaks. A user needs to transfer several extremely large work related files from their home desktop computer to their work desktop computer. Which of the following will allow the user to transfer the needed files?（）