Php Website Security(Engineering > Computer Science And Engineering > Php ) Questions and Answers

Question 1. What is the default value of max_execution_time directive? This directive specifies how many seconds a script can execute before being terminated.
  1.    30
  2.    40
  3.    10
  4.    20
Explanation:-
Answer: Option A. -> 30
Question 2. Which one of the following statements should be used to disable just the fopen(), and file() functions?
  1.    functions_disable = fopen, file
  2.    functions_disable = fopen(), file()
  3.    disable_functions = fopen, file
  4.    disable_functions = fopen(), file()
Explanation:-
Answer: Option C. -> disable_functions = fopen, file
Question 3. The memory_limit is only applicable if _______ is enabled when you configure PHP. Fill in the blank.
  1.    –enable-memory-limit
  2.    -enable-memory-limit
  3.    -memory-limit
  4.    –enable-limit
Explanation:-
Answer: Option A. -> –enable-memory-limit
Question 4. Which one of the following statements should be used to disable the use of two classes administrator and janitor?
  1.    disable_classes = class administrator, class janitor
  2.    disable_class = class “administrator”, class “janitor”
  3.    disable_classes = class “administrator”, class “janitor”
  4.    disable_classes = “administrator, janitor”
Explanation:-
Answer: Option D. -> disable_classes = “administrator, janitor”
Question 5. Suppose all web material is located within the directory /home/www. To prevent users from viewing and manipulating files such as /etc/password, which one of the following statements should you use?
  1.    open_dir = “/home/www/”
  2.    open_basedir = “/home/www/”
  3.    open_basedir = /home/www/
  4.    open_dir = /home/www/
Explanation:-
Answer: Option B. -> open_basedir = “/home/www/”
Question 6. Which directive should we disable to obscure the fact that PHP is being used on our server?
  1.    info_php
  2.    print_php
  3.    expose_php
  4.    show_php
Explanation:-
Answer: Option C. -> expose_php
Question 7. The developers of PHP deprecated the safe mode feature as of which PHP version.
  1.    PHP 5.2.0
  2.    PHP 5.3.0
  3.    PHP 5.1.0
  4.    PHP 5.3.1
Explanation:-
Answer: Option B. -> PHP 5.3.0
Question 8. Which Apache directive outputs Apache’s server version, server name, port and compile-in modules?
  1.    ServerDetails
  2.    ServerName
  3.    ServerSignature
  4.    ServerInfo
Explanation:-
Answer: Option C. -> ServerSignature
Question 9. Say I want to change the extension of a PHP file, which of the following statements should I edit to change from .php to .html in the httpd.conf file?
  1.    AddType application/x-httpd-php .asp
  2.    AddType application/x-httpd-php .php
  3.    AddType application/x-httpd-asp .asp
  4.    AddType application/x-httpd-asp .php
Explanation:-
Answer: Option B. -> AddType application/x-httpd-php .php
Question 10. Which directive determines which degree of server details is provided if the ServerSignature directive is enabled?
  1.    ServerDetails
  2.    ServerAddons
  3.    ServerExtra
  4.    ServerTokens
Explanation:-
Answer: Option D. -> ServerTokens
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