LFCS Exam Dumps - Linux Foundation Certified System Administrator

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Question # 17

Creating a hard link to an ordinary file returns an error. What could be the reason for this?

The source file is hidden.

The source file is read-only.

The source file is a shell script.

The source file is already a hard link.

The source and the target are on different filesystems.

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Question # 18

Which of the following are valid stream redirection operators within Bash? (Choose THREE correct answers.)

<<<

>>>

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Question # 19

How many IP-addresses can be used for unique hosts inside the IPv4 subnet 192.168.2.128/28? (Specify the number only without any additional information.)

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Question # 20

Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?

/etc/keys

/proc/keys

/etc/inittab

/proc/inittab

/etc/reboot

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Question # 21

Which parameter must be passed to ifconfig to activate a previously inactive network interface? (Specify the parameter only without any command, path or additional options)

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Question # 22

What is the lowest numbered unprivileged TCP port? (Specify the number in digits only.)

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Question # 23

Which command is used in a Linux environment to create a new directory? (Specify ONLY the command without any path or parameters.)

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Question # 24

Which of the following commands can be used to locate programs and their corresponding man pages and configuration files?

dirname

which

basename