Explore topic-wise MCQs in Php.

This section includes 30 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following are types of PHP authentication implementation methodologies?i) Hard-coding a login pair directly into the scriptii) File-based authenticationiii) Data-based authenticationiv) PEAR’S HTTP authentication

A. ii) and iii)
B. i) and iv)
C. ii), iii) and iv)
D. All of the mentioned
Answer» E.
Discussion
2.

In which of the following situations does file-based authentication become inconvenient.i) small listii) large number of useriii) users are being regularly addediv) static authentication

A. i) and iv)
B. i) and iii)
C. ii) and iii)
D. ii) and iv)
Answer» D. ii) and iv)
Discussion
3.

Which of the following variables does PHP use to authenticate a user?i) $_SERVER[‘PHP_AUTH_USER’].ii) $_SERVER[‘PHP_AUTH_USERS’].iii) $_SERVER[‘PHP_AUTH_PU’].iv) $_SERVER[‘PHP_AUTH_PW’].

A. i) and ii)
B. ii) and iv)
C. i) and iv)
D. ii) and iii)
Answer» D. ii) and iii)
Discussion
4.

Which of the following PHP function is commonly used when handling authentication via PHP?i) header()ii) footer()iii) inset()iv) isset()

A. i) and iv)
B. ii) and iv)
C. ii) and iii)
D. i) and iii)
Answer» B. ii) and iv)
Discussion
5.

What will be the value of the variable $input in the following PHP code?

A. Swapna Lawrence you are really pretty!
B. Swapna <td>Lawrence</td> you are really<i>pretty</i>!
C. Swapna <td>Lawrence</td> you are really pretty!
D. Swapna Lawrence you are really<i>pretty</i>!
Answer» E.
Discussion
6.

In PHP4.1 and later versions, cookies name/value pair are added to the

A. Superglobal array
B. $_COOKIE
C. Global function
D. Both a and b
Answer» E.
Discussion
7.

Php.ini file can be viewable by calling

A. info ( ) function
B. ini_file ( ) function
C. phpinfo ( ) function
D. php_ini ( ) function
Answer» D. php_ini ( ) function
Discussion
8.

Session_unset ( ) takes

A. 1 argument
B. 2 arguments
C. 3 arguments
D. No argument
Answer» E.
Discussion
9.

When value of sessionauto_start ( ) function is zero it means that

A. Session is started
B. No session data will be available
C. Session is terminated
D. None of them
Answer» C. Session is terminated
Discussion
10.

$_SESSION array is one of superglobal variables introduced in

A. PHP2.1
B. PHP3
C. PHP4.1
D. PHP6
Answer» D. PHP6
Discussion
11.

Meaning of superglobal arrays is it can be

A. Referenced inside a function
B. Referenced outside of function
C. Used without declaring global first
D. All of them
Answer» E.
Discussion
12.

HTTP protocols by which browsers talk to a web server is

A. Valueless
B. Stateless
C. Useless
D. None of them
Answer» C. Useless
Discussion
13.

PHP is not configured to transparently pass session IDs in the

A. GET argument
B. POST argument
C. HEADER arguments
D. Both a and b
Answer» E.
Discussion
14.

Which PHP function offers to send raw arbitrary HTTP headers?

A. setcookie ( )
B. set_header ( )
C. header ( )
D. All of them
Answer» C. header ( )
Discussion
15.

Secure ( ) argument in setcookie function returns result

A. In integer form
B. In string form
C. In boolean form
D. None of them
Answer» D. None of them
Discussion
16.

If you want to free all variables in a session, which function you can use

A. session_destroy ( )
B. session_unset ( )
C. set ( )
D. All of them
Answer» C. set ( )
Discussion
17.

To initiate a session which function is used?

A. start ( )
B. s_start ( )
C. session_start ( )
D. session_str ( )
Answer» D. session_str ( )
Discussion
18.

What will be the output of the following PHP code? Say your previous session username was nachi.

A. Username now set to: nachi
B. Username now set to: System
C. Username now set to:
D. Error
Answer» D. Error
Discussion
19.

A special kind of a file that is located in filesystem of your browser and can be read and write from web server, is calls as

A. Session
B. Cookies
C. Script
D. All of them
Answer» D. All of them
Discussion
20.

If you want PHP to transparently handle passing session variables for you when cookies are not available, you have to configure

A. enable-trans-sid option
B. enable-track-vars option
C. disable-tans-vars option
D. Both a and b
Answer» E.
Discussion
21.

A function that takes no argument s and return a string, which is unique key corresponding to a particular session

A. session_name ( )
B. session_params ( )
C. session_id ( )
D. id ( )
Answer» D. id ( )
Discussion
22.

Name, value, expire, patrh, httponly, domain, secure all of these are arguments of

A. session ( ) function
B. setcookie ( ) function
C. reset_cookie ( ) function
D. None of them
Answer» C. reset_cookie ( ) function
Discussion
23.

When a session ia active, PHP provides a special constant called

A. SID
B. CID
C. DID
D. None of them
Answer» B. CID
Discussion
24.

www-authenticate mechanism works only under the

A. Apache web server
B. CGI servers
C. ISS servers
D. PWS servers
Answer» B. CGI servers
Discussion
25.

In PHP, cookies are set by using the

A. setcookie ( ) function
B. set ( ) function
C. cookie_set ( ) function
D. None of them
Answer» B. set ( ) function
Discussion
26.

A period of time during which a particular person, views a number of web pages at a particular machine is called as

A. Session
B. Cookies
C. Parsing
D. None of them
Answer» B. Cookies
Discussion
27.

Using $_SESSION, $HTTP_SESSION_VARS functions can be dangerous, so that you can use

A. session_destroy ( )
B. session_unset ( )
C. set ( )
D. None of them
Answer» C. set ( )
Discussion
28.

What kind of session will maintain its identity as long as user stays within a site?

A. Cookie based session
B. Variable based session
C. Session
D. None of them
Answer» C. Session
Discussion
29.

WHICH_ONE_OF_THE_FOLLOWING_FUNCTION_IS_USED_TO_START_A_SESSION??$

A. start_session()
B. session_start()
C. session_begin()
D. begin_session()
Answer» C. session_begin()
Discussion
30.

Neglecting to set which of the following cookie will result in the cookie’s domain being set to the host name of the server which generated it.$

A. session.domain
B. session.path
C. session.cookie_path
D. session.cookie_domain
Answer» E.
Discussion