CIW CIW Certifications 1D0-437 Questions & Answers

• Question 21:

  Consider the following statement:

  for ($count=0; $count < 5; $count++) {print "$count "} What will be the output from the given statement?

  A. 1 2 3 4 5

  B. 5 10 15 20 25

  C. 1 2 3 4

  D. 0 1 2 3 4

  Correct Answer: D

• Question 22:

  The filehandle INPUT is associated with the file represented by $file. Which statement will close the filehandle INPUT?

  A. close (INPUT, $file);

  B. closeINPUT;

  C. INPUT(close, $file);

  D. close(INPUT);

  Correct Answer: D

• Question 23:

  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

  Correct Answer: A

• Question 24:

  In Perl, packages are used for which task?

  A. To label a program

  B. To encrypt a program

  C. To create new keywords

  D. To define a namespace

  Correct Answer: D

• Question 25:

  Consider the following code:

  %chars = ("a", "100", "b", "90", "c", "80");

  Which one of the following choices will reverse the key/value pairing of the code?

  A. reverse(%chars);

  B. %chars = reverse(%chars);

  C. reverse(%chars) = %chars;

  D. invert(%chars);

  Correct Answer: B

• Question 26:

  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");

  Correct Answer: C

• Question 27:

  Consider the following statement:

  @array1 = (9, "A", 0..9, "PERL");

  Given this statement, @array1 consists of how many elements?

  B. 4

  C. 12

  D. 16

  Correct Answer: A

• Question 28:

  Which one of the following choices lists only valid expression operators?

  A. + - ** //

  B. * ** / //

  C. ** / ++ %

  D. */ % -- **

  Correct Answer: C

• Question 29:

  The values function performs which task?

  A. Generates a list of hash keys

  B. Generates a list of hash values

  C. Returns the number of key/value pairs

  D. Reads the hash values into an array

  Correct Answer: B

• Question 30:

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

  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); }

  Correct Answer: D