1.What is the default process priority when a user executes an
application?
A.-10
B.10
C.0
D.20
ans:C
執行一個程式的pri值有固定的嗎??不解
2.When setting up the root(superuser) account,what umask
setting should be used to deny read,write and execute
permissions for all other users?
ans:77
root預設的umask是022,題目說不要給其他人有任何權限我算出來是026
不知道對不對
3.You have just added a CD-ROM drive(/dev/hdd) to your system
and have added it to your fstab.Typically you can uses which
of the following commands to mount media in that drive to
/mnt/cdrom?
A.mount /dev/cdrom /mnt/cdrom
B.mount /dev/cdrom
C.mount -t cdrom /dev/cdrom /mnt/cdrom
D.mount /mnt/cdrom
E.automount /mnt/hdd /mnt/cdrom
ans:D
我試過在fstab這個檔案把光碟機加上去,不過我執行B和D的答案發現都可以掛載成功....不解
4.On boot you see an error message indicating that line 18
of /etc/fstab is bad. Looking at it shows:
/dev/fd0/ /mnt/floppy auto auto,user 0 0
why is there an error?
A.auto is not allowed in the third field for removable media
B.auto in the fourth field cannot be used for removable media
C.The fifth field must be 1 for removeable media
D.The sixth field must be 1 for removeable media
ans:B
我把/dev/fd0/ /mnt/floppy auto auto,user 0 0加入到fstab後一樣掛的起來沒有錯誤,真是奇怪??