CIW 1D0-437 Free Practice Questions

Question No: 9

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

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Question No: 10

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};

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Question No: 11

Running your Perl scripts with a w switch will perform which task?

A. Print all commands to the screen

B. Print warnings to the error.log file

C. Print check points in loops

D. Print warnings to the screen

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Question No: 12

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$]/;

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Question No: 13

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

A. The code will output the following: Bumblebee

B. The code will output the following: HumhlHee

C. The code will output the following: BumblHee

D. The code will output the following: HumblHee

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Question No: 14

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

A. open(PASSFILE "+>/etc/passwd");

B. open(PASSFILE, "/etc/passwd");

C. open(PASSFILE "+</etc/passwd");

D. open(PASSFILE, ">/etc/passwd");

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Question No: 15

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

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Question No: 16

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);

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