Latest CompTIA LX0-104 Exam Dumps - CompTIA LX0-104 Dumps PDF
                             C   o  m    p  T   I  A LX0-104 Exam Dumps
CompTIA Linux+ [Powered by LPI] - Exam 2
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Question: 1 
   
What output will the following command sequence produce? 
echo '1 2 3 4 5 6' | while read a b c; do 
echo result: $c $b $a; 
done 
 
A. result: 3 4 5 6 2 1 
B. result: 1 2 3 4 5 6 
C. result: 6 5 4 
D. result: 6 5 4 3 2 1 
E. result: 3 2 1 
 
Answer: A     
 
Question: 2 
   
When the command echo $ outputs 1, which of the following statements is true? 
 
A. It is the process ID of the echo command. 
B. It is the process ID of the current shell. 
C. It is the exit value of the command executed immediately before echo. 
D. It is the exit value of the echo command. 
 
Answer: C     
 
Question: 3 
   
FILL BLANK 
What word is missing from the following SQL statement? 
insert into tablename ________(909, 'text'); 
(Please specify the missing word using lower-case letters only.) 
 
Answer: VALUES -or- values 
 
Question: 4 
 
Which command makes the shell variable named VARIABLE visible to subshells? 
 
A. export $VARIABLE 
B. export VARIABLE 
C. set $VARIABLE 
D. set VARIABLE 
E. env VARIABLE 
 
Answer: B     
 
Question: 5 
 
   
What output will the command seq 10 produce? 
 
A. A continuous stream of numbers increasing in increments of 10 until stopped. 
B. The numbers 1 through 10 with one number per line. 
C. The numbers 0 through 9 with one number per line. 
D. The number 10 to standard output. 
 
Answer: B     
 
Question: 6 
   
FILL BLANK 
By default, the contents of which directory will be copied to a new user's home directory when the 
account is created by passing the -m option to the useradd command? (Specify the full path to the 
directory.) 
 
Answer: /etc/skel 
 
Question: 7 
 
FILL BLANK 
What word is missing from the following SQL statement? 
__________ count(*) from tablename; 
(Please specify the missing word using lower-case letters only.) 
 
Answer: select 
 
Question: 8 
 
After issuing: 
function myfunction { echo $1 $2 ; } 
in Bash, which output does: 
myfunction A B C 
Produce? 
 
A. A B 
B. A B C 
C. A C 
D. B C 
E. C B A 
 
Answer: A     
 
Question: 9 
   
Which of the following commands puts the output of the command date into the shell variable mydate? 
 
 
A. mydate="$(date)" 
B. mydate="exec date" 
C. mydate="$((date))" 
D. mydate="date" 
E. mydate="${date}" 
 
Answer: A     
 
Question: 10 
   
Which of the following files, when existing, affect the behavior of the Bash shell? (Choose TWO correct 
answers.) 
 
A. ~/.bashconf 
B. ~/.bashrc 
C. ~/.bashdefaults 
D. ~/.bash_etc 
E. ~/.bash_profile 
 
Answer: BE     
 
Question: 11 
   
What is the difference between the commands test -e path and test -f path? 
 
A. They are equivalent options with the same behaviour. 
B. The -f option tests for a regular file. The -e option tests for an empty file. 
C. Both options check the existence of the path. The -f option also confirms that it is a regular file. 
D. The -f option tests for a regular file. The -e option tests for an executable file. 
 
Answer: C     
 
Question: 12 
   
How can the existing environment variable FOOBAR be suppressed for the execution of the 
script./myscript only? 
 
A. unset -v FOOBAR;./myscript 
B. set -a FOOBAR="";./myscript 
C. env -u FOOBAR./myscript 
D. env -i FOOBAR./myscript 
 
Answer: C     
 
Question: 13 
   
When the command echo $$ outputs 12942, what is the meaning of 12942? 
 
 
A. It is the process ID of the echo command. 
B. It is the process ID of the current shell. 
C. It is the process ID of the last command executed. 
D. It is the process ID of the last command which has been placed in the background. 
 
Answer: B     
 
Question: 14 
   
What output will the following command produce? 
seq 1 5 20 
 
A. 1 
6 
1 
1 
1 
6 
B. 1 
5 
10 
15 
C. 1 
2 
3 
4 
D. 2 
3 
4 
5 
E. 5 
10 
15 
20 
 
Answer: A     
 
Question: 15 
   
Which of the following words is used to restrict the records that are returned from a SELECT SQL query 
based on a supplied criteria for the values in the records? 
 
A. CASE 
B. FROM 
C. WHERE 
D. IF 
 
Answer: C     
 
 
Question: 16 
   
Which of the following commands lists all defined variables and functions within Bash? 
 
A. env 
B. set 
C. env -a 
D. echo $ENV 
 
Answer: B     
 
Question: 17 
   
Which of the following SQL queries counts the number of occurrences for each value of the field 
order_type in the table orders? 
 
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; 
 
Answer: B