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单选题 Which of the following commands should be used to check whether a system dump is valid and readable?()

A

 kdb 

B

 snap -d 

C

 dbx -vmcore 

D

 od /dev/sysdumpdev

单选题 Which file is NOT controlled by the alog command?()

A

 conslog 

B

 nimlog 

C

 bosinstlog 

D

 errlog

单选题 Which command will give a kernel stack traceback? ()

A

trace

B

traceson

C

trcon

D

trcrpt

单选题 Which of the following is TRUE about error processing?()

A

The error daemon runs in the foreground and reads the /etc/errpt file. 

B

The error daemon is invoked by the user when required and it reads the /usr/lib/errpt. 

C

The error daemon is invoked whenever the error occurs and it reads the /usr/lib/errpt. 

D

The error daemon /usr/lib/errdemon runs in the background on most machines and reads the /dev/error special file.

单选题 Which of the following procedures best explains how to enable the NIS name resolution to take precedence over DNS on a system-wide basis?()

A

 Add the following line to /etc/netsvc.conf: hosts = nis,bind,local 

B

 edit /etc/netsvc.conf to add the following: process /full/path/of/process /{ hosts = local,nis,dns} 

C

 In an NIS and DNS environment, NIS takes precedence over DNS in this environment resulting in no change 

D

 Change the NSORDER environment variable 

单选题 A system administrator has run topas on a server.  The output shows that the %iowait of the system is 60% and that most of the disk activity is on hdisk0.  Which of the following procedures should be performed to fix this problem?()

A

 Replace the hard disk with a faster disk drive. 

B

 Add another paging space on another hdisk. 

C

 Spread the data hdisk0 across several hdisks. 

D

 Nothing, since %iowait is a measurement of CPU time.

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