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Share some Linux+ XK0-004 exam questions and answers below.
Which of the following would be the BEST solution for a systems administrator to access the graphical user environment of a Linux machine remotely? 
C. X11 
Answer: A

A Linux administrator needs to remotely update the contents of the URL. 
Which of the following commands would allow the administrator to download the current contents of the URL before updating? 
A. curl 
B. dig 
C. apt-get 
D. yum list 
Answer: A

A systems administrator needs to append output of ls –lha /opt command to the contents of a test.txt file. 
Which of the following commands will accomplish this? 
A. ls –lha /opt > test.txt 
B. ls –lha /opt < test.txt 
C. ls –lha /opt >> test.txt 
D. ls –lha /opt << test.txt 
Answer: C

After starting a long-running script, a systems administrator needs to verify the frequency of what is filling up the /var partition and kill it because it is consuming too much space. 
Which of the following is the correct sequence given only a terminal is available? 
A. 1. CTRL-C2. bg3. watch df /var4. CTRL-C5. fg6. CTRL-Z 
B. 1. CTRL-C2. fg3. watch df /var4. CTRL-Z5. bg6. CTRL-Z 
C. 1. CTRL-Z2. bg3. watch df /var4. CTRL-C5. fg6. CTRL-C 
D. 1. CTRL-Z2. bg3. watch df /var4. CTRL-Z5. fg6. CTRL-C 
Answer: D

A technical support engineer receives a ticket from a user who is trying to create a 1KB file in the /tmp directory and is getting the following error No space left on device. The support engineer checks the /tmp directory, and it has 20GB of free space. 
Which of the following BEST describes a possible cause for this error? 
A. The /tmp directory is not mounted. 
B. The filesystem is formatted with a 4MB block size. 
C. the filesystem ran out of inodes. 
D. The /tmp directory has been set with an immutable attribute. 
Answer: C
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