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单选题
In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）
A
It is a pseudo filesystem that maps processes and kernel data structures to corresponding files.
B
It is a JFS mounted filesystem that provides an exact representation of what is happening to a proces at a single and discrete point of time.
C
It is a JFS mounted filesystem that maps processes and read-only files related to these processes.
D
It is a pseudo filesystem that contains data that represents the state of the parent processes （but not their threads） in a system.
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更多 “单选题In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）A It is a pseudo filesystem that maps processes and kernel data structures to corresponding files.B It is a JFS mounted filesystem that provides an exact representation of what is happening to a proces at a single and discrete point of time.C It is a JFS mounted filesystem that maps processes and read-only files related to these processes.D It is a pseudo filesystem that contains data that represents the state of the parent processes （but not their threads） in a system.” 相关考题
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单选题Which of the following procedures WILL NOT increase contiguous free space on a the filesystem /data1， located on /dev/lv01， that is heavily fragmented？（）A
Run defragfs -r /data1； defragfs /data1B
Run defragfs -r /dev/lv01； defragfs /dev/lv01C
Back up the filesystem by name， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.D
Back up the filesystem by inode， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.
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Bridges， routers or gateways are receiving too many fragmentated packetsD
Too few nfsd’s running
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单选题Which of the following commands will reset NFS options to their defaults？（）A
nfso -dB
nfso -cC
startsrc -g nfs -dD
startsrc -g nfs -r
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单选题A typical example of a process # 19082 in the /proc file would be： # ls -l /proc/19082 total 0 dr-xr-xr-x 1 root system 0 Sep 15 15：12 . dr-xr-xr-x 1 root system 0 Sept 15 15：12 .. -rw------- 1 root system 0 Sept 15 15：12 as -r-------- 1 root system 128 Sept 15 15：12 cred --w------- 1 root system 0 Sept 15 15：12 ctl dr-xr-xr-x 1 root system 0 Sept 15 15：12 lwp -r-------- 1 root system 0 Sept 15 15：12 map dr-x------ 1 root system 0 Sept 15 15：12 object -r--r--r-- 1 root system 448 Sept 15 15：12 psinfo -r-------- 1 root system 1024 Sept 15 15：12 sigact -r-------- 1 root system 1520 Sept 15 15：12 status -r--r--r-- 1 root system 0 Sept 15 15：12 sysent Writing to which of the following files will allow the owner to stop a process？（）A
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sysentC
ctlD
as
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单选题When monitoring a system using vmstat with an interval， the metrics under page po represent which of the following phrases？（）A
The number pages over the limitB
The pages to paging space per secondC
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The number of processes waiting for page out
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单选题Which of the following commands should be used to monitor the number of bytes read on any given disk？（）A
tprofB
topasC
filemonD
vmstat
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