CIW 1D0-437 Online Practice Questions and Exam Preparation

CIW 1D0-437 Online Questions & Answers

• Question 21:

  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");
  C. %passwds = (denise=> "pass1", robert=> "pass2", yolanda=> "pass3");

• Question 22:

  Which of the following accurately describes the roles of the Database Interface Module (DBI) and the Database Driver Module (DBD)?

  A. DBI transmits instructions to a database; DBD directs method calls to DBI.
  B. DBD transmits instructions to a database; DBI directs method calls to DBD.
  C. DBI makes available database-specific code; DBD transmits method calls to DBI.
  D. DBD makes available database-specific code; DBI translates method calls to DBD.
  B. DBD transmits instructions to a database; DBI directs method calls to DBD.

• Question 23:

  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";
  D. print OUTPUT "Here's my data.\n";

• Question 24:

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

• Question 25:

  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); }
  D. while(@rcrds = $sth->fetchrow_array) { print($rcrds[0]\n); print($rcrds[1]\n); print($rcrds[2]\n); }

• Question 26:

  Consider that a file named test.txt contains this 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: $!");

  seek(OUT, 15, 0);

  read(OUT, $buffer, 5);

  print $buffer . "\n";

  print tell(OUT);

  A. t text
  B. t tex
  C. t text
  D. t tex
  D. t tex

• Question 27:

  Consider the following program code:

  @stack = (10, 10..25);

  push(@stack, yellow);

  shift(@stack);

  push(@stack, white);

  print shift(@stack);

  What is the result of executing this program code?

  A. The code will fail at line 3 because shift requires two arguments.
  B. The code will output the following: 11
  C. The code will output the following: 10
  D. The code will output the following: white
  C. The code will output the following: 10

• Question 28:

  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.
  C. Baseball

• Question 29:

  Which of the following is a valid subroutine name?

  A. _funct7
  B. get-pass
  C. #sub1
  D. @passwd
  A. _funct7

• Question 30:

  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
  A. Invoke the Perl debugger