101-400 Exam
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Q31. - (Topic 4)
What do the permissions -rwSr-xr-x mean for a binary file when it is executed as a command?
A. The command is SetUID and it will be executed with the effective rights of the owner.
B. The command will be executed with the effective rights of the group instead of the owner.
C. The execute flag is not set for the owner. Therefore the SetUID flag is ignored.
D. The command will be executed with the effective rights of the owner and group.
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 3)
What is the default nice level when a process is started using the nice command?
A. -10
B. 10
C. 20 D. 0
Answer: B
Q34. - (Topic 3)
Which grep command will print only the lines that do not end with a / in the file foo?
A. grep '/$' foo
B. grep '/#' foo
C. grep -v '/$' foo
D. grep -v '/#' foo
Answer: C
Q35. - (Topic 4)
Which of the following is the device file name for the second partition on the only SCSI drive?
A. /dev/hda1
B. /dev/sda2
C. /dev/sd0a2
D. /dev/sd1p2
Answer: B
Q36. - (Topic 2)
When removing a package, which of the following dpkg options will completely remove the files including configuration files?
A. --clean
B. --delete
C. --purge
D. –remove
Answer: C
Q37. - (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
Q38. CORRECT TEXT - (Topic 3)
Which Bash environment variable defines in which file the user history is stored when exiting a Bash process? (Specify ONLY the variable name.)
Answer: HISTFILE
Q39. - (Topic 4)
Which of the following commands creates an ext3 filesystem on /dev/sdb1? (Choose TWO correct answers.)
A. /sbin/mke2fs -j /dev/sdb1
B. /sbin/mkfs -t ext3 /dev/sdb1
C. /sbin/mkfs -c ext3 /dev/sdb1
D. /sbin/mke3fs -j /dev/sdb1
Answer: A,B
Q40. - (Topic 3)
Which of the following commands will print the last 10 lines of a text file to the standard output?
A. cat -n 10 filename
B. dump -n 10 filename
C. head -n 10 filename
D. tail -n 10 filename
Answer: D