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1D0-437 Sample Questions Answers

Questions 4

Consider the following program code:

%_Nifty = (one, two, three, four);

@NiftyKeys = sort(keys(%_Nifty));

foreach(@NiftyKeys)

{

print ($_Nifty{$_} . );

}

What is the result of executing this program code?

Options:

A.

The code will output the following:

one three

B.

The code will output the following:

four two

C.

The code will output the following:

two four

D.

The code will output the following:

four one three two

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Questions 5

Yngve wants to define a character class that includes any alphanumeric word characters. Which one of the following choices is best suited for this requirement?

Options:

A.

/[a-zA-Z_0-9]/;

B.

/^w/;

C.

/[^a-zA-Z_0-9]/;

D.

/[^0-Z$]/;

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Questions 6

Which one of the following choices lists the three loop-control commands?

Options:

A.

exit, last, loop

B.

next,first,lasr

C.

loop, exit, next

D.

redo, next, last

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Questions 7

Consider the following program code:

1.$x = 100;

2.$y = 15;

3.$result = $x % $y;

4.

5.print $result;

What is the result of executing this program code?

Options:

A.

The code will fail at line 3 because % is a unary operator.

B.

The code will output the following:

10E+16

C.

The code will output the following:

10

D.

The code will fail at line 5 because $result is not enclosed by parentheses.

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Questions 8

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

Options:

A.

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

B.

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

C.

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

D.

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

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Questions 9

Assume $sth is a valid statement handle. Which of the following correctly outputs the data from the first three columns of a result set?

Options:

A.

while(@rcrds = $sth->fetch_array)

{

print($rcrds[0]\n);

print($rcrds[1]\n);

print($rcrds[2]\n); }

B.

while(@rcrds = $sth->fetch_array)

{

print($rcrds[1]\n);

print($rcrds[2]\n);

print($rcrds[3]\n);

}

C.

while(@rcrds = $sth->fetchrow_array)

{

print($rcrds[1]\n);

print($rcrds[2]\n);

print($rcrds[3]\n);

}

D.

while(@rcrds = $sth->fetchrow_array)

{

print($rcrds[0]\n);

print($rcrds[1]\n);

print($rcrds[2]\n);

}

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Questions 10

Consider the following lines of code:

@array1 = ("apples", "oranges", "pears", "plums"); foreach (@array1)

{print "$_\n"};

What is the result of these lines of code?

Options:

A.

applesorangespearsplums

B.

apples oranges pears plums

C.

apples

D.

apples

oranges

pears

plums

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Questions 11

Which of the following describes the functionality of the DBI tables method?

Options:

A.

The tables method returns a list of all system tables in a database.

B.

The tables method returns a list of all user-defined tables in a database.

C.

The tables method returns a list of all tables in a database.

D.

The tables method returns a list of all related tables in a database.

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Questions 12

Consider the following code block:

BEGIN {print ("Jan ");}

BEGIN {print ("Feb ");}

END {print ("Mar ");}

END {print ("Apr ");}

Print ("May ");

What is the result of this code block?

Options:

A.

Jan Feb May Apr Mar

B.

Jan Feb Mar Apr May

C.

Mar Apr May Jan Feb

D.

May Jan Feb Mar Apr

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Questions 13

Yngve wants to define a character class that includes any alphanumeric word characters. Which one of the following choices is best suited for this requirement?

Options:

A.

/[a-zA-Z_0-9]/;

B.

/^w/;

C.

/[^a-zA-Z_0-9]/;

D.

/[^0-Z$]/;

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Questions 14

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

Options:

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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Questions 15

Consider the following program code:

@array = (10, Masami, 10..13, Niklas);

for ($i = 1; $i < $#array; $i++)

{

print($array[$i] );

}

What is the result of executing this program code?

Options:

A.

The code will output the following:

Masami 10 11 12 13

B.

The code will output the following:

10 Masami 10 11 12 13

C.

The code will output the following:

10 Masami 11 12 13 Niklas

D.

The code will output the following:

Masami 10 11 12 13 Niklas

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Questions 16

Consider the following program code:

$y = 1;

$x = 2;

$z = 3;

do

{

print ($y );

} while ($y eq 2);

do

{

print ($x );

} until ($x eq 2);

print ($z );

What is the result of executing this program code?

Options:

A.

The code will output the following:

1 2 3

B.

The code will output the following:

3

C.

The code will output the following:

2 3

D.

The code will output the following:

3 2 1

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Questions 17

Which statement is the most accurate?

Options:

A.

The push function adds elements to the beginning of an array.

B.

The push function removes the first element in an array.

C.

The pop function removes the first element in an array.

D.

The pop function removes the last element in an array.

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Questions 18

Consider the following program code:

1.$x = 100;

2.$y = "-25";

3.$sum = $x + $y;

4.

5.print $sum;

What is the result of executing this program code?

Options:

A.

The code will output the following:

100-25

B.

The code will output the following:

75

C.

The code will fail at line 3 because $y contains string data.

D.

The code will output the following:

125

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Questions 19

Consider the following program code:

@arrayA = (10, 20, 30);

@arrayB = @arrayA;

$arrayB[1] = 40;

print $arrayA[1];

What is the output of this code?

Options:

A.

10

B.

20

C.

30

D.

40

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Questions 20

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

Options:

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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Questions 21

Which of the following choices demonstrates the correct syntax to pass the argument $arg2 to the subroutine getpass?

Options:

A.

getpass($arg2);

B.

call &getpass($arg2);

C.

sub &getpass($arg2);

D.

call getpass($arg2);

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Questions 22

Consider the following program code:

$Animal = Dogs bark;

package Cat;

$Animal = Cats purr;

{

package Fish;

$Animal = Fish swim;

} p

ackage main;

print $Animal;

What is the result of executing this program code?

Options:

A.

The code will fail at line 4.

B.

The code will output the following:

Dogs bark

C.

The code will output the following:

Cats purr

D.

The code will output the following:

Fish swim

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Exam Code: 1D0-437
Exam Name: CIW PERL FUNDAMENTALS
Last Update: May 1, 2024
Questions: 149
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