New Questions 5

Consider the following program code: print(1 );

BEGIN { print(2 ); }

END { print(3 ); }

BEGIN { print(4 ); } END

{

package MyPackage; print(5 );

}

What is the result of executing this program code?

A. The code will output the following: 1 2 3 4 5

B. The code will output the following: 2 4 1 5 3

C. The code will output the following: 2 1 3 4 5

D. The code will output the following: 2 4 1 3

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New Questions 6

Consider the following assignments:

$x = 9

$y = 7

$z = 5

Given these assignments, which one of the following expressions evaluates as true?

A. ($x - $y) != ($y - $z);

B. ($z * 2) <= $x;

C. ($y + $z + $x) = $y*3;

D. ($x 2) > $y;

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New Questions 7

Which one of the following while statements uses correct syntax and expressions?

A. while {0} (print "OK");

B. while ($c != 99) {print "OK"}

C. while {$b eq "OK"} (print "$a++");

D. while ($_) Do {print "OK");

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New Questions 8

Consider the following program code:

$var = 10; package Alpha;

$var = 20;

{

package Beta;

$var = 30;

}

package Gamma;

$var = 40;

{

print $var;

}

What is the output of this code?

A. 10

B. 20

C. 30

D. 40

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New Questions 9

Consider the following lines of code:

1.$playerStr = "Today's player is Bob Petit."; 2.if($playerStr =~ /[Ruth|Gehrig|DiMaggio]/) {

3. $game = "Baseball"; 4.}else{

5. $game = "Basketball"; 6.}

7.print $game;

What is the output of these lines of code?

A. No output is generated due to an error in line 2.

B. Basketball

C. Baseball

D. No output is generated due to an error in line 3.

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New Questions 10

In the context of Perl user-defined subroutines, which statement is the most accurate?

A. Variables declared using the my keyword are global in scope.

B. Variables declared using the local keyword are only available to the subroutine from which they are declared.

C. Variables declared using the my keyword are available to the calling subroutine.

D. Variable declared using the local keyword are available to subsequently called subroutines.

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New Questions 11

Which of the following code segments correctly readies a database query, creating a valid statement handle and a result set? Assume $dbh represents a valid database handle.

A. $sth = $dbh->prep_statement(SELECT * FROM aTable);

$sth->execute_statement;

B. $sth = $dbh->prepare(SELECT * FROM aTable);

$sth->execute;

C. $sth = $dbh->prep_statement(SELECT * FROM aTable);

$sth->execute;

D. $sth = $dbh->prepare_statement(SELECT * FROM aTable);

$sth->execute_statement;

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New Questions 12

Which one of the following statements opens a file for appending?

A. open(PASSWD, ">/etc/passwd");

B. open(PASSWD ">/etc/passwd");

C. open(PASSWD, ">>/etc/passwd");

D. open(PASSWD "+>/etc/passwd");

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New Questions 13

Consider the following lines of code:

sub mySub {

$_ = @_[1];

$a = shift;

$b = shift;

return $a * $b * $_;

}

mySub(1,2,3);

What is the output of these lines of code?

A. No output results from this code.

B. 6

C. 2

D. 4

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New Questions 14

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)};

View Answer