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2017 Apr LX0-103 Study Guide Questions:
Q61. – (Topic 3)
What is the effect of the egrep command when the -v option is used?
A. It enables color to highlight matching parts.
B. It only outputs non-matching lines.
C. It shows the command's version information.
D. It changes the output order showing the last matching line first.
Q62. – (Topic 4)
Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?
A. chmod u=rwx,go=rx /bin/foo
B. chmod o+rwx,a+rx /bin/foo
C. chmod 577 /bin/foo
D. chmod 775 /bin/foo
Q63. CORRECT TEXT – (Topic 4)
Which umask value will result in the default access permissions of 600 (rw——-) for files and 700 (rwx——) for directories? (Specify only the numerical umask value.)
Answer: 0077, 077
Up to the immediate present LX0-103 exam answers:
Q64. – (Topic 4)
Instead of supplying an explicit device in /etc/fstab for mounting, what other options may be used to identify the intended partition? (Choose TWO correct answers.)
Q65. – (Topic 1)
What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)
A. Entries for all possible devices get created on boot even if those devices are not connected.
B. Additional rules for udev can be created by adding them to /etc/udev/rules.d/.
C. When using udev, it is not possible to create block or character devices in /dev/ using mknod.
D. The /dev/ directory is a filesystem of type tmpfs and is mounted by udev during system startup.
E. The content of /dev/ is stored in /etc/udev/dev and is restored during system startup.
Q66. CORRECT TEXT – (Topic 3)
Which command displays a list of all background tasks running in the current shell? (Specify ONLY the command without any path or parameters.)
Verified LX0-103 prep:
Q67. – (Topic 3)
Which of the following commands prints all files and directories within the /tmp directory or its subdirectories which are also owned by the user root? (Choose TWO correct answers.)
A. find /tmp -uid root -print
B. find -path /tmp -uid root
C. find /tmp -user root -print
D. find /tmp -user root
E. find -path /tmp -user root–print
Q68. CORRECT TEXT – (Topic 1)
Which command will display messages from the kernel that were output during the normal boot sequence?
Answer: dmesg, /bin/dmesg
Q69. – (Topic 4)
Which of the following file permissions belong to a symbolic link?
Q70. – (Topic 3)
Which of the following statements is correct regarding the command foo 1> bar?
A. The stdout from the command foo is appended to the file bar.
B. The stdout from the command foo overwrites the file bar.
C. The command foo receives its stdin from the file bar.
D. The command foo receives its stdin from the stdout of the command bar.
E. The stderr from the command foo is saved to the file bar.