CIW 1D0-437 Online Practice Questions and Exam Preparation

CIW 1D0-437 Online Questions & Answers

• Question 41:

  Which statement will open the /etc/passwd file for reading only?

  A. open(PASSFILE "+>/etc/passwd");
  B. open(PASSFILE, "/etc/passwd");
  C. open(PASSFILE "+
  D. open(PASSFILE, ">/etc/passwd");
  B. open(PASSFILE, "/etc/passwd");

• Question 42:

  Consider the following code:

  %hashA = ("alpha", "beta", "gamma", "alpha");

  %hashA = reverse(%hashA);

  print $hashA{"alpha"};

  What is the result of executing this code?

  A. The code outputs the following: alpha
  B. The code outputs the following: beta
  C. The code outputs the following: gamma
  D. The code fails at line 3.
  C. The code outputs the following: gamma

• Question 43:

  Consider the program code in the attached exhibit. What is the result of executing this program code?

  

  A. The code will output the following: BOBBY
  B. The code will output the following: GERTRUDE
  C. The code will output the following: JOHN
  D. The code will output the following: ROBERT
  B. The code will output the following: GERTRUDE

• Question 44:

  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
  A. No output results from this code.

• Question 45:

  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
  B. The code will output the following: Dogs bark

• Question 46:

  Consider the program code in the attached exhibit. What is the result of executing this program code?

  

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

• Question 47:

  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?

  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:
  D. The code will fail at line 5 because $result is not enclosed by parentheses.
  C. The code will output the following:

• Question 48:

  Consider the following statement:

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

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

  A. 13
  B. 4
  C. 12
  D. 16
  A. 13

• Question 49:

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

  A. getpass($arg2);
  B. call andgetpass($arg2);
  C. sub andgetpass($arg2);
  D. call getpass($arg2);
  A. getpass($arg2);

• Question 50:

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