123,123

Which program finds only files that are in your PATH？（）

答案：/USR/BINyWHICH

What information is displayed by the command cat/proc/dma？（）

A. whether DMA is enabled
B. which DMA channels are in use
C. which DMA mode is in use
D. general information about DMA on the machine

單項選擇題

What is the output when the following shell script executes？（） cat<；<；foobar Hello foobar foobar

A. The contents of the file foobar.
B. Hello
C. No output but a file named foobar is created.
D. Hello foobar
E. Hello foobar foobar

單項選擇題

You are running Linux 2.0.36 and you need to add a USB mouse to your system. Which of the following statements is true？（）

A. You need to rebuild the kernel.
B. You need to upgrade the kernel
C. You need to load the USB modules for your existing modular kernel.
D. USB support is not available in Linux.

單項選擇題

Which of these commands allows you to use shared libraries that are in /usr/local/lib？（）

A. export LD_PRELOAD=/usr/local/lib
B. export LD_LIBRARY_PATH=/usr/local/lib
C. Idconfig /usr/local/lib
D. Idd/usr/local/lib

單項選擇題

Using vi， you want to save changes to the file myfile with ：w!， but vi complains it cannot write to the file. Therefore， you want to check the write permissions on the file. To do this without leaving vi， you type：（）

A. ：!ls-I myfile
B. ：\ls-l myfile
C. esc ：Is -I myfile
D. ：？ls-l myfile

單項選擇題

To allow a regular user account to mount and unmount a filesystem （for instance， a cdrom or floppy）， which option need to be added to the corresponding line in /etc/fstab？（）

A. nouidchk
B. alluser
C. user
D. auto

填空題

What command with all options and/or parameter will send the signal USR1 to any executing process of program apache2？（）

答案：KILLALL-SUSR1APACHE2

填空題

USB fax/modems that conform to this subclass of the Communication Device Class （CDC） vendor neutral standard are Linux compatible （answer is a 3 letter acronym）.（）

答案：ACM(ABSTRACTCONTROLMODEL)

單項選擇題

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

A. cut -d： -f 1，3 /etc/passwd
B. chop -c 1，3 /etc/passwd
C. tac 1-3/etc/passwd
D. fmt -u /etc/passwd

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CompTIA認證考試LX0-101章節(jié)練習(2019.05.09)

Which program finds only files that are in your PATH？（）

What information is displayed by the command cat/proc/dma？（）

What is the output when the following shell script executes？（） cat<；<；foobar Hello foobar foobar

You are running Linux 2.0.36 and you need to add a USB mouse to your system. Which of the following statements is true？（）

Which of these commands allows you to use shared libraries that are in /usr/local/lib？（）

Using vi， you want to save changes to the file myfile with ：w!， but vi complains it cannot write to the file. Therefore， you want to check the write permissions on the file. To do this without leaving vi， you type：（）

To allow a regular user account to mount and unmount a filesystem （for instance， a cdrom or floppy）， which option need to be added to the corresponding line in /etc/fstab？（）

What command with all options and/or parameter will send the signal USR1 to any executing process of program apache2？（）

USB fax/modems that conform to this subclass of the Communication Device Class （CDC） vendor neutral standard are Linux compatible （answer is a 3 letter acronym）.（）

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

CompTIA認證考試LX0-101章節(jié)練習(2019.05.09)

Which program finds only files that are in your PATH？（）

What information is displayed by the command cat/proc/dma？（）

What is the output when the following shell script executes？（） cat<；<；foobar Hello foobar foobar

You are running Linux 2.0.36 and you need to add a USB mouse to your system. Which of the following statements is true？（）

Which of these commands allows you to use shared libraries that are in /usr/local/lib？（）

Using vi， you want to save changes to the file myfile with ：w!， but vi complains it cannot write to the file. Therefore， you want to check the write permissions on the file. To do this without leaving vi， you type：（）

To allow a regular user account to mount and unmount a filesystem （for instance， a cdrom or floppy）， which option need to be added to the corresponding line in /etc/fstab？（）

What command with all options and/or parameter will send the signal USR1 to any executing process of program apache2？（）

USB fax/modems that conform to this subclass of the Communication Device Class （CDC） vendor neutral standard are Linux compatible （answer is a 3 letter acronym）.（）

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

Which program finds only files that are in your PATH？（）

What information is displayed by the command cat/proc/dma？（）

What is the output when the following shell script executes？（） cat<；<；foobar Hello foobar foobar

You are running Linux 2.0.36 and you need to add a USB mouse to your system. Which of the following statements is true？（）

Using vi， you want to save changes to the file myfile with ：w!， but vi complains it cannot write to the file. Therefore， you want to check the write permissions on the file. To do this without leaving vi， you type：（）

To allow a regular user account to mount and unmount a filesystem （for instance， a cdrom or floppy）， which option need to be added to the corresponding line in /etc/fstab？（）

What command with all options and/or parameter will send the signal USR1 to any executing process of program apache2？（）

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