1. The file mode specifies which one of the following?
A. The access permissions
B. The inode number
C. The file's owner
D. How the file is opened
Answer: D

2. Which choice demonstrates the correct syntax for the DELETE command?
A. DELETE MyDatabase WHERE VALUES state=Kentucky AND color=blue
B. DELETE MyDatabase WHERE state=Kentucky AND color=blue
C. DELETE FROM MyDatabase WHERE state=Kentucky AND color=blue
D. DELETE state=Kentucky AND color=blue FROM MyDatabase
Answer: C

3. Which choice best describes how to access individual elements of an array?
A. Use an index starting with 1
B. Use an index starting with 0
C. Use a pointer
D. Use a key value
Answer: B

4. Consider the following code:
open( INPUT, "Chapter1");
Given this code, which one of the following choices demonstrates reading in list context?
A. %file = ;
B. @file = ;
C. @%file < ;
D. $file = ;
Answer: B

5. The do method duplicates the function of which of the following methods?
A. param and execute
B. post and prepare
C. prepare and execute
D. post and execute
D. post and execute
Answer: C

6. List context versus scalar context is determined by which one of the following?
A. The compiler
B. The debugger
C. The interpreter
D. The environment
Answer: C

7. Which one of the following choices best describes data tainting?
A. Tainted data can be used by eval, system, or exec.
B. Tainted data cannot be accessed by the script.
C. Variables containing external data cannot be used outside the script.
D. Data tainting is enabled using the D switch.
Answer: C

8. Which choice best demonstrates how the print statement may be used to print HTML code?
A. print HTML>>;
B. print ;
C. print ("HTML");
D. print ("");
Answer: D

9. Antonio is naming a Perl variable. Which choice includes characters he may use?
A. _, &, *
B. +, #, $
C. $, @, %
D. %, #, @
Answer: C

10. The CGI.pm module can be used to perform. which one of the following tasks?
A. GET or POST data
B. Load external variables
C. Read large amounts of text into the script
D. Access environment variables
Answer: D

11. What is the main danger in using cookies and hidden fields?
A. They can be deleted.
B. They can be edited.
C. They can be blocked by the browser.
D. They can be viewed.
Answer: B

12. Which one of the following variables is used if no variable was specified in a pattern match, substitution operator or
print statement?
A. $nul
B. $#
C. $_
D. $*
Answer: C

13. Consider the following HTML code:

Given this code, which one of the following choices best describes how the data should be written to a file?
A. print OUTPUT, "state" . param("State: ");
B. print OUTPUT "State: " . param("state");
C. print OUTPUT, "State: " . ("state");
D. OUTPUT "state" . param("State: ");
Answer: B

14. Which set of operators is used to read and write to a file in random-access mode?
A. < >
B. < >>
C. +< +>
D. -<< ->>
Answer: C

15. Which method is used in a Perl script. to access the variables POSTed by an HTML form?
A. prepare();
B. param();
C. header ();
D. post();
Answer: B

16. The start_html method of CGI.pm yields which one of the following results?
A. "content-type:Ann"
B.
C.
D.
Answer: B

17. Which one of the following statements allows for variable substitution?
A. $sql=qq{SELECT * FROM MyDatabase WHERE state=$state};
B. $sql=q{SELECT * FROM MyDatabase WHERE state=$state};
C. $sql=q{SELECT * FROM MyDatabase WHERE state=$state};
D. $sql=qq{SELECT * FROM MyDatabase WHERE state=$state};
Answer: A

18. Which one of the following choices lists the four steps of interaction with a database?
A. Connect, Read, Write, Disconnect
B. Connect, Send a command, Write, Disconnect
C. Connect, Query, Read/Write, Disconnect
D. Connect, Send a command, Display results, Disconnect
Answer: D

19. Before allowing a user to submit data with a Web form, which of the following tasks should be performed?
A. The data should be validated by the script.
B. The data should be validated by the programmer.
C. The data should be compared to valid data stored in a list.
D. The data should be passed through the validate() method.
Answer: A

20. Consider the following code:
open(INFILE, "myfile");
Given this code, which one of the following choices demonstrates reading in scalar context?
A. $file = ;
B. $file < ;
C. %file = ;
D. @file <= ;
Answer: A

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