101-500 Real Exam Dumps Questions and answers 51-60
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Question No.51
What can the Logical Volume Manager (LVM) be used for? (Choose THREE correct answers.)
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To create RAID 9 arrays.
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To dynamically change the size of logical volumes.
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To encrypt logical volumes.
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To create snapshots.
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To dynamically create or delete logical volumes.
Correct Answer: BDE
Question No.52
Which Debian package management tool asks the configuration questions for a specific already installed package just as if the package were being installed for the first time? (Specify ONLY the command without any path or parameters.)
Correct Answer: dpkg-reconfigure
Question No.53
Which option to the yum command will update the entire system? (Specify ONLY the option name without any additional parameters.)
Correct Answer: update, upgrade
Question No.54
Which of the following is correct when talking about mount points?
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Every existing directory can be used as a mount point.
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Only empty directories can be used as a mount point.
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Directories need to have the SetUID flag set to be used as a mount point.
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Files within a directory are deleted when the directory is used as a mount point.
Correct Answer: A
Question No.55
Which grep command will print only the lines that do not end with a / in the file foo?
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grep#39;/$#39; foo
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grep #39;/##39; foo
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grep -v #39;/$#39; foo
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grep -v #39;/##39; foo
Correct Answer: C
Question No.56
When given the following command line. echo quot;foo barquot; | tee bar | cat
Which of the following output is created?
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cat
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foo bar
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tee bar
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bar
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foo
Correct Answer: B
Question No.57
What is the output of the following command? echo quot;Hello Worldquot; | tr -d aieou
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Hello World
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eoo
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Hll Wrld
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eoo Hll Wrld
Correct Answer: C
Question No.58
Which of the following files, located in the user home directory, is used to store the Bash history?
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.bash_history
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.bash_histfile
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.history
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.bashrc_history
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.history_bash
Correct Answer: A
Question No.59
When running the command sed -e quot;s/a/b/quot; /tmp/file gt;/tmp/file
While /tmp/file contains data, why is /tmp/file empty afterwards?
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The file order is incorrect. The destination file must be mentioned before the command to ensure redirection.
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The command sed did not match anything in that file therefore the output is empty.
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When the shell establishes the redirection it overwrites the target file before the redirected command starts and opens itfor reading.
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Redirection for shell commands do not work using the gt; character. It only works using the | character instead.
Correct Answer: C
Question No.60
What is the effect of the egrep command when the -v option is used?
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It enables color to highlight matching parts.
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It only outputs non-matching lines.
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It shows the command#39;s version information.
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It changes the output order showing the last matching line first.
Correct Answer: B
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