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计算机考试 | IBM认证考试

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单选题 What does the FREQ column show when running the tprof option? ()

A

Total amount of Ticks used by all users

B

Total amount of Ticks used by all processes

C

Total amount of Ticks used by a specific user

D

Total amount of Ticks used by a specific type of process

单选题 Which of the following statements best describes error logging?()

A

Syslogd creates error log entries in the system error log. 

B

The default error log is stored in /var/adm/ras/error.log. 

C

All entries in the error log are related to software problems. 

D

Error logging is automatically enabled during system initialization.

单选题 Which of the following commands should be used to display a system routing table?()

A

 route 

B

 netstat 

C

 iptrace 

D

 traceroute 

单选题 Which command is used to display the packet counts throughout the communications subsystem?()

A

netstat -D 

B

netstat -c 

C

netstat -Aan 

D

netstat -P

单选题 Which of the following problems has occurred when a menu appears and prompts the user to "copy a dump to external media?()

A

 The external dump device is full. 

B

 The dump device was set to /dev/hd7 before the dump happened. 

C

 The boot failed while copying the dump from paging space to a file. 

D

 The dump device was not set to a paging device before the dump happened.

单选题 It has been determined that print jobs from an application are not being removed from the system after they have been printed. To remove these jobs from the /var/spool directory, which cron entry will remove files more than 7 days old?()

A

 find /var/spool/lpd/qdir -mtime -7 -type f -exec rm -f {}/

B

 find -name /var/spool/* -f rm {}/

C

 find -name /var/spool/lpd/* -exec rm {}/

D

 find /var/spool/lpd/qdir -mtime +7 -type f -exec rm -f {}/

单选题 Where is the rsh log located?()

A

 /var/spool 

B

 /var/perf 

C

 /var 

D

 /var/adm

单选题 Which of the following procedures should be performed to minimize possible problems for a customer when updating software?()

A

Apply the updates without committing.

B

Commit the new updates to be certain there is no change after the next reboot.

C

Update one fileset at a time and test to ensure that it works before updating the next fileset.

D

No action is necessary since the software can always be uninstalled and re-installed.

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