CompTIA LX0-103 ExamCompTIA Linux+ [Powered by LPI] 1

Total Question: 120 Last Updated: Jul 13,2019
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Q1. CORRECT TEXT - (Topic 2) 

Which command will disable swapping on a device? (Specify ONLY the command without any path or parameters.) 

Answer: swapoff, /sbin/swapoff 


Q2. - (Topic 4) 

After running the command umount /mnt, the following error message is displayed: 

umount: /mnt: device is busy. 

What is a common reason for this message? 

A. The kernel has not finished flushing disk writes to the mounted device. 

B. A user has a file open in the /mnt directory. 

C. Another file system still contains a symlink to a file inside /mnt. 

D. The files in /mnt have been scanned and added to the locate database. 

E. The kernel thinks that a process is about to open a file in /mnt for reading. 

Answer:


Q3. - (Topic 4) 

What is the purpose of the Filesystem Hierarchy Standard? 

A. It is a security model used to ensure files are organized according to their permissions and accessibility. 

B. It provides unified tools to create, maintain and manage multiple filesystems in a common way. 

C. It defines a common internal structure of inodes for all compliant filesystems. 

D. It is a distribution neutral description of locations of files and directories. 

Answer:


Q4. - (Topic 1) 

Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target? 

A. systemd.target=rescue.target 

B. systemd.runlevel=rescue.target 

C. systemd.service=rescue.target 

D. systemd.default=rescue.target 

E. systemd.unit=rescue.target 

Answer:


Q5. - (Topic 3) 

Immediately after deleting 3 lines of text in vi and moving the cursor to a different line, which single character command will insert the deleted content below the current line? 

A. i (lowercase) 

B. P (uppercase) 

C. p (lowercase) 

D. U (uppercase) 

E. u (lowercase) 

Answer:


Q6. - (Topic 3) 

What command will generate a list of user names from /etc/passwd along with their login shell? 

A. column -s : 1,7 /etc/passwd 

B. chop -c 1,7 /etc/passwd 

C. colrm 1,7 /etc/passwd 

D. cut -d: -f1,7 /etc/passwd 

Answer:


Q7. - (Topic 3) 

What is the purpose of the Bash built-in export command? 

A. It allows disks to be mounted remotely. 

B. It runs a command as a process in a subshell. 

C. It makes the command history available to subshells. 

D. It sets up environment variables for applications. 

E. It shares NFS partitions for use by other systems on the network. 

Answer:


Q8. - (Topic 3) 

Which of the following commands determines the type of a file by using a definition database file which contains information about all common file types? 

A. magic 

B. type 

C. file 

D. pmagic 

E. hash 

Answer:


Q9. CORRECT TEXT - (Topic 4) 

Which command is used to create and initialize the files used to store quota information? (Specify ONLY the command without any path or parameters.) 

Answer: quotacheck 


Q10. - (Topic 3) 

Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log? 

A. cat < myapp | cat > file1.log 

B. myapp 0>&1 | cat > file1.log 

C. myapp | cat > file1.log 

D. myapp | tee file1.log 

E. tee myapp file1.log 

Answer:


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