MCQOPTIONS
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MCQOPTIONS
This section includes 411 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Which one of the following keyword is used to implement an interface? |
| A. | interface |
| B. | get |
| C. | inherit |
| D. | implements |
| Answer» E. | |
| 52. |
At least how many abstract methods must an abstract class contain? |
| A. | None |
| B. | One |
| C. | Two |
| D. | Five |
| Answer» C. Two | |
| 53. |
Which one of the following is the correct abstract method? |
| A. | public function write() |
| B. | abstract function write() |
| C. | abstract public write(); |
| D. | abstract public function write(); |
| Answer» E. | |
| 54. |
Which one of the following keywords is used to define an abstract class? |
| A. | extends |
| B. | implements |
| C. | abstract |
| D. | new |
| Answer» D. new | |
| 55. |
Which one of the following class can not be instantiated? |
| A. | inherited class |
| B. | abstract class |
| C. | constant class |
| D. | every class |
| Answer» C. constant class | |
| 56. |
How many of the following can be contained in constants? i) boolean ii) integer iii) float iv) string |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 57. |
What will happen if you try to set a value to a constant once it has been declared? |
| A. | The value of the variable will change |
| B. | The value of the variable will not change |
| C. | Parse Error |
| D. | Nothing |
| Answer» D. Nothing | |
| 58. |
Which one of the following is a constant variable? |
| A. | const $name |
| B. | const $NAME |
| C. | constant NAME |
| D. | const NAME |
| Answer» E. | |
| 59. |
Which keyword is used to declare a constant property? |
| A. | const |
| B. | con |
| C. | constant |
| D. | _constant |
| Answer» B. con | |
| 60. |
Which version of PHP allows you to define constant properties within a class? |
| A. | PHP 4 |
| B. | PHP 4.1 |
| C. | PHP 4.3 |
| D. | PHP 5 |
| Answer» E. | |
| 61. |
What is the full form of PDO in Web/PHP? |
| A. | PHP Data Orientation |
| B. | PHP Database Object |
| C. | PHP Database Orientation |
| D. | PHP Data Object |
| Answer» E. | |
| 62. |
Which one of the following variable cannot be used inside a static method? |
| A. | $this |
| B. | $get |
| C. | $set |
| D. | $date |
| Answer» B. $get | |
| 63. |
In which of the following circumstance should you use a static reference to a non static method? |
| A. | Making a method call using parent |
| B. | Making a method call using child |
| C. | Making an object call using parent |
| D. | Making an object call using child |
| Answer» B. Making a method call using child | |
| 64. |
Which keyword is used to access a static method or property from within the same class(rather than from child)? |
| A. | static |
| B. | strat |
| C. | self |
| D. | set |
| Answer» D. set | |
| 65. |
Which version of PHP introduced the static keyword? |
| A. | PHP 4 |
| B. | PHP 5 |
| C. | PHP 5.2 |
| D. | PHP 5.3 |
| Answer» C. PHP 5.2 | |
| 66. |
Which one of the following is true about the following line – $obj = new ImageHandler(‘/images/’, array(400, 300)); |
| A. | This snippet sets the maximum dimensions allowed to 400 pixels wide by 300 pixels high |
| B. | This snippet sets the minimum dimensions allowed to 300 pixels wide by 400 pixels high |
| C. | This snippet sets the minimum dimensions allowed to 400 pixels wide by 300 pixels high |
| D. | This snippet sets the maximum dimensions allowed to 300 pixels wide by 400 pixels high |
| Answer» B. This snippet sets the minimum dimensions allowed to 300 pixels wide by 400 pixels high | |
| 67. |
Which function do you have to use to check whether the $path you’ve stored exists? |
| A. | path_dir() |
| B. | path() |
| C. | is_dir() |
| D. | path_dir() |
| Answer» D. path_dir() | |
| 68. |
Before you try to process the file, you need to make sure that your $err value is equivalent to _________ |
| A. | UPLOAD_ERR_OK |
| B. | UPLOAD_NO_ERR |
| C. | UPLOAD_ERR_NO_OK |
| D. | UPLOAD_ERR |
| Answer» B. UPLOAD_NO_ERR | |
| 69. |
To process the file, you need to break the array from $_FILES into individual values. You can do this using the ________ function. |
| A. | divide() |
| B. | list() |
| C. | break() |
| D. | indi() |
| Answer» C. break() | |
| 70. |
DocBlocks are indicated by opening a comment using _________ |
| A. | /* |
| B. | //* |
| C. | /** |
| D. | /*/ |
| Answer» D. /*/ | |
| 71. |
To make the ImageHandler class portable you should create a separate file for it called __________ |
| A. | imagehandler.inc.php |
| B. | images.inc.php |
| C. | handler.inc.php |
| D. | imghandler.inc.php |
| Answer» C. handler.inc.php | |
| 72. |
To check whether a file was uploaded, you look in the _______ superglobal array. |
| A. | $_FILES |
| B. | $_DOCS |
| C. | $_DOCUMENTS |
| D. | $_FOLDERS |
| Answer» B. $_DOCS | |
| 73. |
When you’re uploading files you need to set the enctype of the form to __________ |
| A. | text |
| B. | text/file |
| C. | multipart/form-data |
| D. | multimedia/form-data |
| Answer» D. multimedia/form-data | |
| 74. |
Before you can start processing images with PHP, you must first add the ability to upload images to your administrative form on ________ |
| A. | .htaccess |
| B. | function.inc.php |
| C. | index.php |
| D. | admin.php |
| Answer» E. | |
| 75. |
When a user confirms that he wishes to delete an entry, that entry’s URL is passed to a function which removes the entry from the __________ |
| A. | index.php |
| B. | function.inc.php |
| C. | database |
| D. | admin.php |
| Answer» D. admin.php | |
| 76. |
Your confirmation form submits your choice, via the _______ method, to ________ |
| A. | GET index.php |
| B. | GET admin.php |
| C. | POST index.php |
| D. | POST admin.php |
| Answer» E. | |
| 77. |
To declare the function to confirm the deletion you need to add the code to __________ |
| A. | inc.php |
| B. | functions.inc.php |
| C. | include.php |
| D. | functions.include.php |
| Answer» C. include.php | |
| 78. |
To identify entries marked for deletion, you check whether $_GET[‘page’] == ‘delete’ inside __________ |
| A. | index.php |
| B. | index.ini |
| C. | admin.php |
| D. | .htaccess |
| Answer» D. .htaccess | |
| 79. |
You need to check whether ______ is set, to determine whether you’re editing an entry or creating a new one. |
| A. | $_GET[‘url’]. |
| B. | $_SET[‘url’]. |
| C. | $_GET[‘admin’]. |
| D. | $_SET[‘admin’]. |
| Answer» B. $_SET[‘url’]. | |
| 80. |
([\w-]+) will match ___________ |
| A. | one word characters |
| B. | one or more word characters |
| C. | one or more word characters and/or hyphens |
| D. | one or more word characters and hyphens |
| Answer» D. one or more word characters and hyphens | |
| 81. |
The (|/) tells the server to match ___________ |
| A. | nothing |
| B. | forward slash |
| C. | backward slash |
| D. | either nothing or a forward slash |
| Answer» E. | |
| 82. |
The URLs in the administrative links won’t mean anything to admin.php unless you modify _________ |
| A. | .htaccess |
| B. | .adminaccess |
| C. | .htmlaccess |
| D. | .urlaccess |
| Answer» B. .adminaccess | |
| 83. |
Once your application can generate administrative links, you need to load those links into _______ |
| A. | php.ini |
| B. | index.ini |
| C. | index.php |
| D. | start.php |
| Answer» D. start.php | |
| 84. |
When you are building administrative links you’ll need to accept two arguments, which of the following are they? |
| A. | URL of previous entry and URL of the entry you are working with |
| B. | The current page and previous page |
| C. | URL of previous entry and previous page |
| D. | The current page and URL of the entry you are working with |
| Answer» E. | |
| 85. |
A mutator method is also called as.. |
| A. | Setter |
| B. | Accessor |
| C. | Getter |
| D. | Destructor |
| Answer» B. Accessor | |
| 86. |
Which method or property can only be accessed from within the enclosing class? Even subclasses have no access. |
| A. | public |
| B. | friendly |
| C. | private |
| D. | protected |
| Answer» D. protected | |
| 87. |
Prior to which version of PHP did constructors took the name of the enclosing class. |
| A. | PHP 4 |
| B. | PHP 5 |
| C. | PHP 5.3 |
| D. | PHP 5.4 |
| Answer» C. PHP 5.3 | |
| 88. |
What should be used to refer to a method in the context of a class rather than an object you use? |
| A. | -> |
| B. | __ |
| C. | $ |
| D. | :: |
| Answer» E. | |
| 89. |
Inheritance is the means by which one or more classes can be derived from a/an ___ class. |
| A. | base |
| B. | abstract |
| C. | null |
| D. | predefined |
| Answer» B. abstract | |
| 90. |
Which version of PHP introduced class type hints? |
| A. | PHP 4 |
| B. | PHP 4.3 |
| C. | PHP 5 |
| D. | PHP 5.3 |
| Answer» D. PHP 5.3 | |
| 91. |
Which function is used to determine whether the variable’s value is either TRUE or FALSE? |
| A. | boolean() |
| B. | is_boolean() |
| C. | bool() |
| D. | is_bool() |
| Answer» E. | |
| 92. |
If you omit the visibility keyword in your method declaration, by default the method will be declared as.. |
| A. | public |
| B. | private |
| C. | protected |
| D. | friendly |
| Answer» B. private | |
| 93. |
Which keyword precedes a method name? |
| A. | method |
| B. | function |
| C. | public |
| D. | protected |
| Answer» C. public | |
| 94. |
Code that uses a class, function, or method is often described as the.. |
| A. | client code |
| B. | user code |
| C. | object code |
| D. | class code |
| Answer» B. user code | |
| 95. |
Which characters is used to access property variables on an object-by-object basis? |
| A. | :: |
| B. | = |
| C. | -> |
| D. | . |
| Answer» D. . | |
| 96. |
Which version of PHP introduced the visibility keywords i.e public, private, and protected? |
| A. | PHP 4 |
| B. | PHP 5 |
| C. | PHP 5.1 |
| D. | PHP 5.3 |
| Answer» C. PHP 5.1 | |
| 97. |
There are two objects- $product1 = new Shop(); $product2 = new Shop(); Which one of the following statements is right about them? |
| A. | $product1 and $product2 are same objects of the same type generated from a single class. |
| B. | $product1 and $product2 are different objects of the same type generated from a single class. |
| C. | $product1 and $product2 are same objects of the different type generated from a single class. |
| D. | $product1 and $product2 are different objects of the different type generated from a single class. |
| Answer» C. $product1 and $product2 are same objects of the different type generated from a single class. | |
| 98. |
Fill in the blank with the best option. An Object is a/an ________ of a class. |
| A. | type |
| B. | prototype |
| C. | instance |
| D. | object |
| Answer» D. object | |
| 99. |
Which one of the following is not a valid class name? |
| A. | ShopProduct |
| B. | Shopproduct |
| C. | Shopproduct1 |
| D. | 1shopproduct |
| Answer» E. | |
| 100. |
Which method rolls back the present transaction? |
| A. | commit() |
| B. | undo() |
| C. | back() |
| D. | rollback() |
| Answer» E. | |