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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? 
A. VNC 
B. KDE 
C. X11 
D. RPC 
Answer: A

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