CIW CIW Certifications 1D0-437 Questions & Answers

• Question 51:

  Consider the following lines of code:

  sub mySub { (

  $arg, @args) = @_;

  foreach $val (@args) {

  $returnVal .= "$arg, $val\n";

  }

  $returnVal . "" . @args;

  }

  print andmySub(1, "a value", "another value", "a parameter", "another parameter"); What is the output of

  these lines of code?

  A. 1, a value 1, another value 1, a parameter 1, another parameter 4

  B. 1, a value 1, another value 1, a parameter 1, another parameter a valueanother valuea parameteranother parameter

  C. 1, a value, another value, a parameter, another parameter a value another value a parameter another parameter

  D. 1, a value, another value, a parameter, another parameter 4

  Correct Answer: A

• Question 52:

  Consider the following lines of code:

  $_ = "This is a test";

  s/^([^ ]*)\s*([^ ]*)/$2 $1/;

  print;

  What is the output of these lines of code?

  A. h Tis a test

  B. is This a test

  C. i Thiss a test

  D. his T is a test

  Correct Answer: B

• Question 53:

  Which statement is the most accurate?

  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.

  Correct Answer: D

• Question 54:

  Consider the following program code: if ("cool" =~ m/[cool]{4}/) { print("True "); } else { print("False "); } if ("cool" =~ m/[col]{4}/) { print("True "); } else { print("False "); } What is the output of this code?

  A. False False

  B. False True

  C. True False

  D. True True

  Correct Answer: D

• Question 55:

  Consider the following command:

  perl runme.pl arg1 arg2 arg3

  Given this command issued on the command line, what is the value of $#ARGV?

  A. 0

  B. 1

  C. 2

  D. 3

  Correct Answer: C

• Question 56:

  Regular expressions are best used for which task?

  A. To perform arithmetic functions

  B. To determine whether a string matches a specific pattern

  C. To perform spelling checks within text files

  D. To output data to a text file

  Correct Answer: B

• Question 57:

  Consider the following program code:

  @array = ("ALPHA", "beta", "GaMmA");

  @array = sort(@array);

  print("@array");

  What is the output of this code?

  A. beta GaMmA ALPHA

  B. ALPHA GaMmA beta

  C. ALPHA beta GaMmA

  D. beta ALPHA GaMmA

  Correct Answer: B

• Question 58:

  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?

  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

  Correct Answer: B

• Question 59:

  Which one of the following choices is a unary operator that can apply to only a single variable?

  A. ++

  B. **

  C. /

  D. ?

  Correct Answer: A

• Question 60:

  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.

  Correct Answer: B