Question 1

This type of file validation helps reduce runtime-upload behavior.
True
False
-
-

Accepted Answer

True

Question 2

Which CodeIgniter helper function is commonly placed inside a form to initiate CSRF protection?
form_open()
csrf_token_name()
protect_form()
csrf_field()

Accepted Answer

csrf_field()

Question 3

What is the main purpose of re-displaying old input after validation fails?
To bypass validation on the second submission.
To let users correct inputs without retyping every field.

Accepted Answer

To let users correct inputs without retyping every field.

Question 4

A controller receives a submitted title field. Which line safely reads the posted value through CodeIgniter's request object?
$route->post('title');
$this->request->getPost('title');
$_TITLE['title'];
$this->view->title();

Accepted Answer

$this->request->getPost('title');

Question 5

What CodeIgniter constant points to the public root controller path, often used when saving files under public/uploads?
WRITEPATH
ROOTPATH
FCPATH
APPPATH

Accepted Answer

FCPATH

Question 6

Which approach is best when an app's owner should avoid permanently deleting user accounts?

Use an archive or deactivation status when possible.
Store deleted records in the view file.

Accepted Answer

Use an archive or deactivation status when possible.

Question 7

Match the term with the correct description.
move()
Uploads data into the database.
Transfers an accepted uploaded file to a target folder.
Deletes an uploaded file.
Creates a validation rule.

Accepted Answer

Transfers an accepted uploaded file to a target folder.

Question 8

What helper can print the validation error message for one field in a view?
show_errors()
validation_show_error()
error_print()
field_error()

Accepted Answer

validation_show_error()

Question 9

A page successfully saves a customer but displays a blank list afterward. The controller calls return view('customers/index') without passing records. What should be checked first?

Accepted Answer

Whether the controller data is retrieved and passed to the view.

Question 10

Why should validation run before insert() or update() in a CodeIgniter controller?
It automatically creates the database table.
It makes the view load before the controller.
It prevents invalid or unsafe input from being saved.

Accepted Answer

It prevents invalid or unsafe input from being saved.

Question 11

A view should normally decide by itself which database record to delete.
True
False
-
-

Accepted Answer

False

Question 12

Why is a random server filename safer than using the uploaded file's original name?
It reduces name collisions and avoids trusting user-supplied filenames.
It removes the need for file validation.

Accepted Answer

It reduces name collisions and avoids trusting user-supplied filenames.

Question 13

A developer stores any uploaded file type because only images are expected. What is the best correction?
Use file validation rules for allowed image MIME types and extensions.
Disable the upload form.
.

Accepted Answer

Use file validation rules for allowed image MIME types and extensions.

Question 14

What should be saved in the database after a successful public image upload?
The entire binary file inside a text column.
The contents of $_FILES without checking it.
Only the generated filename or path needed to display the file.

Accepted Answer

Only the generated filename or path needed to display the file.

Question 15

Match the term with the correct description.
old()
Raises previously submitted input in an old-input form.
Reads previously submitted input in an old-input form.
Deletes validation errors.
Uploads an image.

Accepted Answer

Restores previously submitted input on a redisplayed form

Question 16

Add help preserve submitted values when a form is redisplayed after validation failure.
True
False
-
-

Accepted Answer

True

Question 17

Match the term with the correct description.
getFile()
Returns an uploaded file object from the request.
Deletes a file from storage.
Creates a validation rule.
Reads database records.

Accepted Answer

Reads an uploaded file object from the request

Question 18

The uploaded file's original name should always be trusted as the final server filename.
True
False
-
-

Accepted Answer

False

Question 19

Match the term with the correct description.
Validation rule
Saves uploaded images.
Describes what submitted input must satisfy before saving.
Moves a file.
Loads a database connection.

Accepted Answer

Describes what submitted input must satisfy before saving.

Question 20

A CodeIgniter form that uploads files must use multipart/form-data.
True
False
-
-

Accepted Answer

True

Question 21

What CodeIgniter constant points to the public front-controller path, often used when saving files under public/uploads?

Accepted Answer

FCPATH

Question 22

Matching type. Match the term with the correct description. move()

Transfers an accepted uploaded file to a target folder

Accepted Answer

Transfers an accepted uploaded file to a target folder

Question 23

Why should a Delete action normally be submitted using POST rather than a normal GET link?

Destructive actions should not be triggered by simple page visits or crawlers.
POST is required for all routes.

Accepted Answer

Destructive actions should not be triggered by simple page visits or crawlers.

Question 24

What file input form encoding is required for file uploads?

Accepted Answer

multipart/form-data

Question 25

A CodeIgniter form that uploads files must use multipart/form-data.

True
false

Accepted Answer

True

Question 26

What should be saved in the database after a successful public image upload?

The contents of $_FILES without checking it.
Only the generated filename or path needed to display the file.

Accepted Answer

Only the generated filename or path needed to display the file.

Question 27

Matching type. Match the term with the correct description. Validation rule

validation rule

Accepted Answer

describes what should be the input

Question 28

What does validation_show_error('title') display in a CodeIgniter view?

The controller class name.
The current route name.
The uploaded file size.
The validation message for the title field.

Accepted Answer

The validation message for the title field.

Question 29

A developer allows any uploaded file type because only images are expected. What is the best correction?

Move every file first, then decide later.
Use file validation rules for allowed image MIME types and maximum size.

Accepted Answer

se file validation rules for allowed image MIME types and maximum size.

Question 30

Which line moves an uploaded file object named $file into the public uploads folder using a generated name?

Accepted Answer

$file->move(FCPATH . 'uploads', $newName);

Question 31

Which CodeIgniter UploadedFile method generates a safer unique filename before moving the file?

makeSafe()
newFilename()
escapeName()
getRandomName()

Accepted Answer

getRandomName()

Question 32

What helper can print the validation error message for one field in a view?

Accepted Answer

validation_show_error()

Question 33

A Model can be used by a controller to insert, update, retrieve, or delete records.

True
false

Accepted Answer

True

Question 34

Matching type. Match the term with the correct description

old()

Accepted Answer

Restores previously submitted input on a redisplayed form

Question 35

Why is a random server filename safer than using the uploaded file's original name?

It automatically compresses the file.
It makes images larger.
It reduces name collisions and avoids trusting user-supplied

Accepted Answer

It reduces name collisions and avoids trusting user-supplied filenames.

Question 36

What acronym refers to Create, Read, Update, and Delete operations?

Accepted Answer

CRUD

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