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New CIW 1D0-437 Exam Dumps Collection (Question 1 - Question 10)
Q1. 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);
$sth->execute_statement;
Answer: B
Q2. Which of the following choices demonstrates the correct syntax to pass a reference to a subroutine?
A. \@array4;
B. @array4($ref);
C. getpass(\@array4);
D. getpass{@array4};
Answer: C
Q3. Running your Perl scripts with a d switch will perform which task?
A. Invoke the Perl debugger
B. Send standard error to a file
C. Disable breakpoints
D. Display a stack trace
Answer: A
Topic 1, B
B
Q4. 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?
A. /[a-zA-Z_0-9]/;
B. /^w/;
C. /[^a-zA-Z_0-9]/;
D. /[^0-Z$]/;
Answer: A
Q5. Which statement writes data to the filehandle OUTPUT?
A. print "Here's my data.\n" > OUTPUT
B. write OUTPUT "Here's my data.\n";
C. write OUTPUT ">Here's my data.\n";
D. print OUTPUT "Here's my data.\n";
Answer: D
Q6. Consider the following program code:
%hash = (small => 8oz,
medium => 16oz, large => 32oz);
@keys = sort(keys(%hash));
for ($i = 0; $i < 3; $i++) { print($hash{$keys[$i]}\n);
}
What is the result of executing this program code?
A. The code will fail at line 1 because a hash cannot contain both numeric and string data.
B. The code will execute without error but will output nothing.
C. The code will output the following: 32oz
16oz 8oz
D. The code will output the following: large
medium small
Answer: C
Q7. 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");
Answer: C
Q8. 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?
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
Answer: B
Q9. Consider the following program code:
if ("Apple" gt "Pear")
{
print("True ");
}
else
{
print("False ");
}
if ("Banana" le "Banana")
{
print("True ");
}
else
{
print("False ");
}
What is the result of executing this program code?
A. False False
B. False True
C. True False
D. True True
Answer: B
Q10. Which line of code represents the correct syntax to establish a reference to a database handle?
A. $dbh = DBI::connect("dbi:mysql:myPhoneBook");
B. $dbh = DBD:->connect("dbi::mysql::myPhoneBook");
C. $dbh = DBD::connect("mysql:dbi:myPhoneBook");
D. $dbh = DBI->connect("dbi:mysql:myPhoneBook");
Answer: D
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