1D0-437 Online Practice Questions and Answers
Consider the following statement:
$buffer = a string;
Also consider that a file named test.txt contains the following line of text: One line of test text.What is the
output of the following lines of code? $file = "test.txt";
open (OUT, "<$file") || (die "cannot open $file: $!"); read(OUT, $buffer, 15, 4);
print $buffer;
A. a strOne line of test
B. a stOne line of tes
C. a strOne line of tes
D. a stOne line of test
Consider the following lines of code:
sub mySub {
($arg, @args) = @_;
foreach $val (@args) {
$returnVal .= "$arg, $val\n";
}
$returnVal . "" . @args;
}
print andmySub(1, "a value", "another value", "a parameter", "another parameter"); What is the output of
these lines of code?
A. 1, a value 1, another value 1, a parameter 1, another parameter 4
B. 1, a value 1, another value 1, a parameter 1, another parameter a valueanother valuea parameteranother parameter
C. 1, a value, another value, a parameter, another parameter a value another value a parameter another parameter
D. 1, a value, another value, a parameter, another parameter 4
Consider the following program code:
@array = ("Y", "W", "X");
@array = sort(@array);
unshift(@array, "Z");
print(@array[0]);
What is the output of this code?
A. W
B. X
C. Y
D. Z
Which of the following correctly creates a SQL statement that will insert the values of the $name and $age variables into a database? The statement is assigned to the $sqlStmt variable. Assume a CHAR data type for $name and an INT data type for $age.
A. $sqlStmt = q{INSERT INTO aTable (NAME, AGE) VALUES ($name, $age)};
B. $sqlStmt = q{INSERT INTO aTable (NAME, AGE) VALUES ($name\, $age)};
C. $sqlStmt = qq{INSERT INTO aTable (NAME, AGE) VALUES ($name, $age)};
D. $sqlStmt = qq{INSERT INTO aTable (NAME, AGE) VALUES (\$name\, $age)};
Which one of the following choices is a unary operator that can apply to only a single variable?
A. ++
B. **
C. /
D. ?
Consider the following lines of code:
sub mySub { (
$arg, @args) = @_;
foreach $val (@args) {
$returnVal .= "$arg, $val\n";
}
$returnVal . "" . @args;
}
print andmySub(1, "a value", "another value", "a parameter", "another parameter"); What is the output of
these lines of code?
A. 1, a value 1, another value 1, a parameter 1, another parameter 4
B. 1, a value 1, another value 1, a parameter 1, another parameter a valueanother valuea parameteranother parameter
C. 1, a value, another value, a parameter, another parameter a value another value a parameter another parameter
D. 1, a value, another value, a parameter, another parameter 4
Consider the program code in the attached exhibit.
What is the result of executing this program code?
A. The code will output the following: 3 4
B. The code will output the following: 1 2 3 4
C. The code will output the following: 1 2 4 5
D. The code will output the following: 1 2 5
Consider the following program code:
$i = 15;
LOOP: for(; $i < 25; $i++)
{
if ($i % 2)
{
next LOOP;
}
print($i );
}
What is the result of executing this program code?
A. The code will output the following: 15 2 4 6 8 10 12 14 16 18 20 22 24
B. The code will output the following: 15 17 19 21 23 25
C. The code will fail at line 2 because $i is not initialized.
D. The code will output the following: 16 18 20 22 24
Consider the following program code:
@array = ("one", "two"); push(@array, "three"); shift(@array);
unshift(@array, "four");
pop(@array); print($array[0]);
What is the output of this code?
A. one
B. two
C. three
D. four
Which of the following choices demonstrates the correct syntax for creating a hash?
A. %passwds = ("denise", "robert", "yolanda") => ("pass1", "pass2", "pass3");
B. %passwds() = ("denise", "pass1", "robert", "pass2", "yolanda", "pass3");
C. %passwds = (denise=> "pass1", robert=> "pass2", yolanda=> "pass3");
D. %passwds{3} = ("denise", "robert", "yolanda") => ("pass1", "pass2", "pass3");