Olete.in – MCQs, Mock Tests & Government Job Prep

Which superglobal stores a variety of information pertinent to a file uploaded to the server via a PHP script?

1. $_FILE Array
2. $_FILES Array
3. $_FILES_UPLOADED Array
4. $_FILE_UPLOADED Array

✅ Correct Answer: 2

How many items are available in the $_FILES array?

1. 2
2. 3
3. 4
4. 5

✅ Correct Answer: 4

Which function is used to determine whether a file was uploaded?

1. is_file_uploaded()
2. is_uploaded_file()
3. file_uploaded("filename")
4. uploaded_file("filename")

✅ Correct Answer: 2

What is the full form of DNS?

1. Digital Network System
2. Domain Network System
3. Digital Name Systmem
4. Domain Name System

✅ Correct Answer: 4

Which one of the following function checks for the existence of DNS records?

1. checkdns()
2. checkdnsr()
3. checkdnsrr()
4. checkdnsa()

✅ Correct Answer: 3

Which one of the following function is used to return an array consisting of various DNS resource records pertinent to a specific domain?

1. dns_get_record()
2. dns_record()
3. dnsrr_get_record()
4. dnsrr_record()

✅ Correct Answer: 1

Which one of the following function is used to retrieve the MX records for the domain specified by hostname?

1. getmx()
2. retrieve_mx()
3. getmxrr()
4. retrieve_mxrr()

✅ Correct Answer: 3

What is the default port number of HTTPs?

1. 70
2. 80
3. 90
4. 100

✅ Correct Answer: 2

Which one of the following function returns the port number of a specified service?

1. getportname()
2. getservername()
3. getserverbyname()
4. getservbyname()

✅ Correct Answer: 4

Which one of the following statements can be used to establish port 80 connection with www.nachi.com?

1. fsockopen("www.nachi.com", 80);
2. sockopen(80,"www.nachi.com");
3. fsockopen(80,"www.nachi.com");
4. sockopen("www.nachi.com", 80);

✅ Correct Answer: 1

Which one of the following function is used to send an email using PHP script?

1. mail_send()
2. send_mail()
3. mailrr()
4. mail()

✅ Correct Answer: 4

How many configuration directives pertinent to PHPs mail function are available?

1. 4
2. 5
3. 6
4. 7

✅ Correct Answer: 2

Which of the following statements is used to add an attachment to the mail?

1. $mimemail->attachment(‘attachment.pdf’);
2. $mimemail=>attachment(‘attachment.pdf’);
3. $mimemail->addAttachment(‘attachment.pdf’);
4. $mimemail=>addAttachment(‘attachment.pdf’);

✅ Correct Answer: 3

Which one of the following is the very first task executed by a session enabled page?

1. Delete the previous session
2. Start a new session
3. Check whether a valid session exists
4. Handle the session

✅ Correct Answer: 3

How many ways can a session data be stored?

1. 3
2. 4
3. 5
4. 6

✅ Correct Answer: 2

Which directive determines how the session information will be stored?

1. save_data
2. session.save
3. session.save_data
4. session.save_handler

✅ Correct Answer: 4

Which one of the following is the default PHP session name?

1. PHPSESSID
2. PHPSESID
3. PHPSESSIONID
4. PHPIDSESS

✅ Correct Answer: 1

If session.use_cookie is set to 0, this results in use of _____________

1. Session
2. Cookie
3. URL rewriting
4. Nothing happens

✅ Correct Answer: 3

If the directive session.cookie_lifetime is set to 3600, the cookie will live until ____________

1. 3600 sec
2. 3600 min
3. 3600 hrs
4. the browser is restarted

✅ Correct Answer: 1

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

1. session.domain
2. session.path
3. session.cookie_path
4. session.cookie_domain

✅ Correct Answer: 4

What is the default number of seconds that cached session pages are made available before the new pages are created?

1. 360
2. 180
3. 3600
4. 1800

✅ Correct Answer: 2

What is the default time(in seconds) for which session data is considered valid?

1. 1800
2. 3600
3. 1440
4. 1540

✅ Correct Answer: 3

Which one of the following function is used to start a session?

1. start_session()
2. session_start()
3. session_begin()
4. begin_session()

✅ Correct Answer: 2

Which function is used to erase all session variables stored in the current session?

1. session_destroy()
2. session_change()
3. session_remove()
4. session_unset()

✅ Correct Answer: 4

What will the function session_id() return is no parameter is passed?

1. Current Session Identification Number
2. Previous Session Identification Number
3. Last Session Identification Number
4. Error

✅ Correct Answer: 1

Which one of the following statements should you use to set the session username to Nachi?

1. $SESSION[‘username’] = “Nachi”;
2. $_SESSION[‘username’] = “Nachi”;
3. session_start(“nachi”);
4. $SESSION_START[“username”] = “Nachi”;

✅ Correct Answer: 2

An attacker somehow obtains an unsuspecting users SID and then using it to impersonate the user in order to gain potentially sensitive information. This attack is known as __________

1. session-fixation
2. session-fixing
3. session-hijack
4. session-copy

✅ Correct Answer: 1

Which parameter determines whether the old session file will also be deleted when the session ID is regenerated?

1. delete_old_file
2. delete_old_session
3. delete_old_session_file
4. delete_session_file

✅ Correct Answer: 2

Which function effectively deletes all sessions that have expired?

1. session_delete()
2. session_destroy()
3. session_garbage_collect()
4. SessionHandler::gc

✅ Correct Answer: 4

Which function is used to transform PHPs session-handler behavior into that defined by your custom handler?

1. session_set_save()
2. session_set_save_handler()
3. Session_handler()
4. session_save_handler()

✅ Correct Answer: 2

The session_start() function must appear _________

1. after the html tag
2. after the body tag
3. before the body tag
4. before the html tag

✅ Correct Answer: 4

What is the return type of session_set_save_handler() function?

1. boolean
2. integer
3. float
4. character

✅ Correct Answer: 1

Which one of the following statements should be used to disable just the fopen(), and file() functions?

1. disable_functions = fopen(), file()
2. disable_functions = fopen, file
3. functions_disable = fopen(), file()
4. functions_disable = fopen, file

✅ Correct Answer: 2

Which one of the following statements should be used to disable the use of two classes administrator and janitor?

1. disable_classes = “administrator, janitor”
2. disable_classes = class administrator, class janitor
3. disable_classes = class “administrator”, class “janitor”
4. disable_classes = class “administrator”, class “janitor”

✅ Correct Answer: 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. 10
2. 20
3. 30
4. 40

✅ Correct Answer: 3

The memory_limit is only applicable if ________ is enabled when you configure PHP.

1. enable-limit
2. -enable-memory-limit
3. enable-memory-limit
4. memory-limit

✅ Correct Answer: 3

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_dir = /home/www/
3. open_basedir = /home/www/
4. open_basedir = “/home/www/”

✅ Correct Answer: 4

Which Apache directive outputs Apaches server version, server name, port and compile-in modules?

1. ServerSignature
2. ServerName
3. ServerDetails
4. ServerInfo

✅ Correct Answer: 1

Which directive determines which degree of server details is provided if the ServerSignature directive is enabled?

1. ServerAddons
2. ServerExtra
3. ServerTokens
4. ServerDetails

✅ Correct Answer: 3

Which directive should we disable to obscure the fact that PHP is being used on our server?

1. show_php
2. expose_php
3. print_php
4. info_php

✅ Correct Answer: 2

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 .php
2. AddType application/x-httpd-php .asp
3. AddType application/x-httpd-asp .php
4. AddType application/x-httpd-asp .asp

✅ Correct Answer: 1

AddType application/x-httpd-asp .asp

1. PHP 5.1.0
2. PHP 5.2.0
3. PHP 5.3.0
4. PHP 5.3.1

✅ Correct Answer: 3

What will be the output if we replace the line $num = preg_grep(“/[0-5]/”, $number); with $num = preg_grep(“/[0-5]/”, $number, PREG_GREP_INVERT);?

1. Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5)
2. Array([2]=>two [3]=>three [4]=>four)
3. Array([1]=> 1)
4. Array([0]=>0 [5]=>5)

✅ Correct Answer: 2

Which one of the following functions are used to search a string?

1. preg_match
2. preg_search
3. preg_find
4. preg_found

✅ Correct Answer: 1

Which one of the following preg PHP function is used to do a find and replace on a string or an array?

1. preg_replace()
2. preg_find()
3. preg_find_replace()
4. preg_findre()

✅ Correct Answer: 1

Which one of the following preg PHP functions is used to take a string, and put it in an array?

1. preg_destroy()
2. preg_split()
3. preg_unchain()
4. preg_divide()

✅ Correct Answer: 2

Which one of the following is not a preg PHP function?

1. preg_match
2. preg_match_all
3. preg_matchall
4. preg_split

✅ Correct Answer: 3

Parameter flags was added in which version of PHP?

1. PHP 4.0
2. PHP 4.1
3. PHP 4.2
4. PHP 4.3

✅ Correct Answer: 4

Which one of the following databases has PHP supported almost since the beginning?

1. Oracle Database
2. SQL
3. SQL+
4. MySQL

✅ Correct Answer: 4

The updated MySQL extension released with PHP 5 is typically referred to as _____

1. MySQL
2. mysql
3. mysqli
4. mysqly

✅ Correct Answer: 3

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