CompTIA認(rèn)證考試LX0-101單項(xiàng)選擇題每日一練(2019.08.01)

來源：考試資料網(wǎng)

1 You have just added a CD.ROM drive （/dev/hdd） to your system and have added it to yourfstab. Typically you can use which of the following commands to mount media in that drive to /mnt/cdrom？（）

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2 Which system administration command you can use to update Id.so.cache after the installation of new shared libraries？（）

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3 Many people like the vi text editor but the default bash command line editor recognizes emacs keystrokes. What command entered into a bash initialization file will have bash recognize vi keystrokes after login？（）

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4 You wish to kill a process with a PID of 123. Select the command which exiting.（）

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5 What command will print a list of usernames （first column） and their corresponding user id （uid， third column） from /etc/passwd？（）

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