101-400 Exam
Top 10 cram 101-400 for client (31 to 40)
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2021 Apr 101-400 free question
Q31. - (Topic 1)
Which of the following statements is correct when talking about /proc/?
A. All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.
B. All files within /proc/ are read-only and their contents cannot be changed.
C. All changes to files in /proc/ are immediately recognized by the kernel.
D. All files within /proc/ are only readable by the root user.
Answer: C
Q32. - (Topic 3)
Which shell command is used to continue background execution of a suspended command?
A. &
B. bg
C. cont
D. exec
E. :&
Answer: B
Q33. - (Topic 4)
Which of the following commands can be used to locate programs and their corresponding man pages and configuration files?
A. dirname
B. which
C. basename
D. query
E. whereis
Answer: E
Q34. - (Topic 3)
Which variable defines the directories in which a Bash shell searches for executable commands?
A. BASHEXEC
B. BASHRC
C. PATH
D. EXECPATH
E. PATHRC
Answer: C
Q35. - (Topic 1)
Which run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)
A. 0
B. 1
C. 3
D. 5
E. 6
Answer: A,E
Latest 101-400 test question:
Q36. - (Topic 2)
Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?
A. dd if=/dev/zero of=/dev/sda bs=512
B. dd if=/dev/zero of=/dev/sda bs=512 count=1
C. dd if=/dev/zero of=/dev/sda bs=440 count=1
D. dd if=/dev/zero of=/dev/sda bs=440
Answer: C
Q37. - (Topic 3)
A user accidentally created the subdirectory \dir in his home directory. Which of the following commands will remove that directory?
A. rmdir '~/\dir'
B. rmdir "~/\dir"
C. rmdir ~/'dir'
D. rmdir ~/\dir
E. rmdir ~/\\dir
Answer: E
Q38. - (Topic 2)
Which of the following commands lists all currently installed packages when using RPM package management?
A. yum --query --all
B. yum --list --installed
C. rpm --query --all
D. rpm --list –installed
Answer: C
Q39. - (Topic 4)
After running the command umount /mnt, the following error message is displayed:
umount: /mnt: device is busy.
What is a common reason for this message?
A. The kernel has not finished flushing disk writes to the mounted device.
B. A user has a file open in the /mnt directory.
C. Another file system still contains a symlink to a file inside /mnt.
D. The files in /mnt have been scanned and added to the locate database.
E. The kernel thinks that a process is about to open a file in /mnt for reading.
Answer: B
Q40. - (Topic 2)
When using rpm --verify to check files created during the installation of RPM packages, which of the following information is taken into consideration? (Choose THREE correct answers.)
A. Timestamps
B. MD5 checksums
C. Inodes
D. File sizes
E. GnuPG signatures
Answer: A,B,D