Question 1

Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?

Accepted Answer

A)  SELECT order_type,COUNT(*) FROM orders WHERE order_type=order_type; 
B)  SELECT order_type,COUNT(*) FROM orders GROUP BY order_type; 
C)  COUNT(SELECT order_type FROM orders); 
D)  SELECT COUNT(*) FROM orders ORDER BY order_type; 
E)  SELECT AUTO_COUNT FROM orders COUNT order_type;

Question 2

How many fields are in a syntactically correct line of /etc/fstab?

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  6 
E)  7

Question 3

Which of the following information is stored within the BIOS? (Choose TWO correct choices.)

Accepted Answer

A)  Boot device order 
B)  Linux kernel version 
C)  Timezone 
D)  Hardware configuration 
E)  The system's hostname

Question 4

What is the name of the simple graphical login manager that comes with a vanilla X11 installation? (Specify ONLY the command without any path or parameters.)

Accepted Answer

The answer of What is the name of the simple...

Question 5

From a Bash shell, which of the following commands directly executes the instruction from the file / usr /local/bin/runme.sh without starting a subshell? (Please select TWO choices.)

Accepted Answer

A)  source / usr /local/bin/runme.sh 
B)  . / usr /local/bin/runme.sh 
C)  /bin/bash / usr /local/bin/runme.sh 
D)  / usr /local/bin/runme.sh 
E)  run / usr /local/bin/runme.sh

Question 6

How can the normal output of a command be written to a file while discarding the error output?

Accepted Answer

A)  command >2>file 1&>/dev/null 
B)  command  /dev/null 
C)  command > discard-error > file 
D)  command > /dev/null 2&>1 output 
E)  command >file 2>/dev/null

Question 7

Which of the following commands will help identify a broken router between the local and the remote machine?

Accepted Answer

A)  ps 
B)  netstat 
C)  nslookup 
D)  ifconfig 
E)  traceroute

Question 8

Which of the following tools used for DNS debugging, reports not only the response from the name server but also details about the query?

Accepted Answer

A)  dnsq 
B)  dig 
C)  hostname 
D)  dnslookup 
E)  zoneinfo

Question 9

What does the command mount -a do?

Accepted Answer

A)  It mounts all available filesystems onto the current directory. 
B)  It shows all mounted filesystems. 
C)  It mounts all user mountable filesystems for the current user. 
D)  It mounts all filesystems listed in /etc/fstab which have the option auto set. 
E)  It mounts all filesystems listed in /etc/fstab which have the option noauto set.

Question 10

Which configuration file would be edited to change the default options for outbound SSH sessions?

Accepted Answer

A)  /etc/ssh/sshd_config 
B)  /etc/ssh/ssh 
C)  /etc/ssh/client 
D)  /etc/ssh/ssh_config 
E)  /etc/ssh/ssh_client

Question 11

Which of the following commands can be used to search for the executable file foo when it has been placed in a directory not included in $PATH?

Accepted Answer

A)  apropos 
B)  which 
C)  find 
D)  query 
E)  whereis

Question 12

Which world-writable directory should be placed on a separate partition in order to prevent users from being able to fill up the / filesystem? (Specify the full path to the directory.)

Accepted Answer

The answer of Which world-writable directory should be placed on...

Question 13

Which of the following commands changes the number of days before the ext3 filesystem on /dev/sda1 has to run through a full filesystem check while booting?

Accepted Answer

A)  tune2fs -d 200 /dev/sda1 
B)  tune2fs -c 200 /dev/sda1 
C)  tune2fs -i 200 /dev/sda1 
D)  tune2fs -n 200 /dev/sda1 
E)  tune2fs --days 200 /dev/sda1

Question 14

What is the name of the main configuration file for GNU GRUB? (Specify the file name only without any path.)

Accepted Answer

The answer of What is the name of the main...

Question 15

Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?

Accepted Answer

A)  file /tmp/myfile.txt 
B)  echo "Hello" >/tmp/myfile.txt 
C)  sed -ie "s/1/2/" /tmp/myfile.txt 
D)  echo -n "Hello" >>/tmp/myfile.txt 
E)  touch /tmp/myfile.txt

Question 16

Which RPM command will output the name of the package which supplied the file /etc/exports?

Accepted Answer

A)  rpm -F /etc/exports 
B)  rpm -qf /etc/exports 
C)  rpm -Kl /etc/exports 
D)  rpm -qp /etc/exports 
E)  rpm -qi /etc/exports

Question 17

In a nested directory structure, which find command line option would be used to restrict the command to searching down a particular number of subdirectories?

Accepted Answer

A)  -dirmax 
B)  -maxdepth 
C)  -maxlevels 
D)  -n 
E)  -s

Question 18

Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct choices.)

Accepted Answer

A)  chmod +s /tmp 
B)  chmod +t /tmp 
C)  chmod 1775 /tmp 
D)  chmod 4775 /tmp 
E)  chmod 2775 /tmp

Question 19

Which of the following is the device file name for the second partition on the only SCSI drive?

Accepted Answer

A)  /dev/hda1 
B)  /dev/sda2 
C)  /dev/sd0a2 
D)  /dev/sd1p2

Question 20

How can the current directory and its subdirectories be searched for the file named MyFile.xml?

Accepted Answer

A)  find . -name MyFile.xml 
B)  grep MyFile.xml | find 
C)  grep -r MyFile.xml . 
D)  less MyFile.xml 
E)  search Myfile.xml ./

Exam 1: Linux Foundation Certified System Administrator