Almost all MCQs of Computer

December 2017
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Magento is an open source E-commerce software, created by Varien which is useful for online business and it has the flexible modular architecture. It is scalable and it has many control options that helps the user. Magento uses E-commerce platform which offers companies ultimate E-commerce solutions and extensive support network.
The uses of Magento are −
  • Magento is open source E-commerce software.
  • It is scalable and offers small companies to build business.
  • It provides the searching and sorting of products in several ways.
  • Easily integrates with many of the third-party sites which are needed to run effective E-commerce website.
  • Using this, customer can order or purchase number of products. There are no limits on number of purchasing products.
The Web-Hosting sites of Magento are −
  • SiteGround
  • BlueHost
  • HostGator
  • Inmotion
  • Arvixe
  • site5
The disadvantages of Magento are −
  • Magento uses larger disk space and memory.
  • It takes much time to build the customized functionality.
  • It is very slow compared to other E-commerce sites.
  • It needs proper hosting environment, if the hosting environment is improper the user can face the problems.
The Web-server that supports Magento are −
  • Apache 2.x
  • Nginx 1.7.x
Products are the items or things that are sold in Magento. Product can be anything that is capable of satisfying customer needs. This includes both physical products and services.
The product types available in Magento are −
  • Simple Products
  • Grouped Products
  • Configurable Products
  • Virtual Products
  • Bundled Products
  • Downloadable Products
Inventory allows setting a product's stock quantity. For instance, you have a product with 100 units in stock. If you set the stock availability to "Out of Stock" then it will force the item to be out of stock.
The categories of E-Commerce are:
  • Business to Business(B2B)
  • Business to Consumer(B2C)
  • Consumer to Consumer(C2C)
  • Consumer to Business(C2B)
Rate Percent specify the percent of the tax rate.
Priority field specifies when the tax should be applied to other tax rules.
The Zero Subtotal Checkout panel is a payment option that displays when order total is zero and not required to enter payment details for the customer.
It is additional security functionality where customer needs to provide credit card password to complete the purchase order.
The two methods of PayPal Payment Gateways are −
  • Payflow Pro (Includes Express Checkout)
  • Payflow Link (Includes Express Checkout)
The Payflow Pro option is customizable payment gateway which can be used with merchant account to process credit card transactions.
Payflow Link option often called as hosted payment gateway that keeps customer on your site by providing fast and easy way to add transaction processing to your site.
My Cart Link panel specifies whether the number of quantities in the cart should be shown or whether the number of different products should be shown using the Display Cart Summaryfield.
Google Checkout is online payment processing service provided by Google. Magento allows integration of online stores with Google checkout. It is like PayPal that simplifies the process of paying for online purchases.
Order management is important thing which allows business to run smoothly and keeps customers happy, making them more likely to visit your site in the future.
Google Analytics is a finest Google service for those who are actively managing websites and adds analytics to Magento store including Ecommerce tracking and conversions of their websites.
Layout files are useful in rendering front pages of Magento.
Magento CMS (Content Management System) section is used to manage all web site pages. It is a way of promoting the products by providing valuable information to the customers and increases visibility to search engines.
Static block is a piece of content can be used anywhere in the pages. Magento allows creating blocks of content that can be used through the store and can be added to any page or another block.
Polls are used to get customer's opinions and preferences. The poll results appear immediately after response is submitted.
Following points describe how to optimize the Magento environment
  • It uses complex database, so that it needs to be run on dedicated servers.
  • Magento application could be optimized by using cloud computing.
  • Merge you JavaScript and CSS files which reduces the load time dramatically since its loading only one merged file.
  • Proper MySQL configuration is one of the most important aspects in terms of performance.
  • Always upgrade to the latest Magento version allows to perform better.
The following points specify how to optimize the magento configuration
  • To speed up Magento performance, don't run mysql and web server on the same machine.
  • Do not host files on your web server that you do not use.
  • Optimization of session storage.
  • Enabling Magento flat catalog. (Magento uses a complex and resource-intensive Entity Attribute Value [or EAV] based catalog). After initial catalog establishment, enabling the flat catalog can dramatically improve database querying time.
  • Identification and disabling of unused Magento modules.
The process of Code Optimization are −
  • Removal of unused or unnecessary code processes.
  • To optimize Magento performance, JavaScript and CSS files need to be compressed and aggregated.
  • Conformance of all site images to optimal web image sizes.
  • Identification of bottlenecks(process that causes the entire process to slow down or stop) processes in both front-end and back-end.
The following points describe how to improve the performance of database −
  • Unused data must be cleaned up regularly for better performance.
  • Optimization of database queries.
  • Configuration of setting and limits of the database server (e.g. memory setting, query cache, sort buffer optimization).
PHP 5.4 +
It stands for Web Services Description Language. It is used for describing web services and how to access them.
It is used to set threshold number. When the units of that product are drop to that number, it will display Only X left message on the product details page.
Payment gateway processes the credit card data securely between customer and merchant and also between merchant and the payment processor. It is like checkpoint that protects customers against attempting to gather personal and financial information from customers and also act as mediator between the merchant and sponsoring bank.
Orders follow a standard life cycle process. When customer place product orders, it arrive in the administration interface with a pending status. When order is processed, the status of order changes according to current state in the processing workflow. Once the invoice is created for the order, the status changes from pending to processing status. Next it creates shipment for an order which changes the status from pending to complete status.
The two sections present in Design section are −
  • Page Layout
  • Custom Design
The Page Layout section contains a Layout option which allows selecting layout as per your choice and Layout Update XML option inserts the XML code.
The Meta Data section contains Keywords and description of the page.
Customer can subscribe to Newsletters using Magento. Customer can sign up for the Newsletter when he creates a new customer account which contains checkbox for signing up. For creating Newsletters you need to enable Newsletter option in your magento to make sure that customer has confirmed to receive Newsletter.
The following points show how to optimize the Magento front-end performance −
  • Use the latest version of php, so that you can perform front-end operation much better and faster. The newest released version may cause the errors, so carefully read the release notes and check out the new version.
  • Use the clean database to improve the performance of magento. The database logs need to be clear regularly. The database stores the automatically created logs to keep track of record session and interaction.
This is a group of simple products. In this type, you cannot specify a specific price for product; you can just specify the discount.
In this type, customer can select products according to their color and size before purchasing.
Example − Cell phones obtained in different colors and sizes.
Bundled products are those products which cannot be sold separately and doesn't give any choice for end user.
If it is enabled, customer can buy products even if they are out of stock.
Tax rules are entities that combine product tax classes, customer tax classes and tax rates.
Manage Stores section, you will see website names, store names and Store View Name columns.
E-commerce (Electronic Commerce) is a type of business that involves the commercial transaction or purchasing or selling of goods and services through electronic channels known as internet.
The features of Magento are −
  • Magento provides different payment methods such as credit cards, PayPal, cheques, money order, Google checkouts.
  • It provides shipping of products in one order to the multiple addresses.
  • Easy to manage the orders by using admin panel.
  • It filters the products and displays in grid or list format.
The advantages of magento are −
  • It is user friendly E-commerce software.
  • It is compatible with Smartphone's, tablets and other mobile devices.
  • It provides multiple payment options so every visitor can make payment based on their preferred payment gateway.
  • It has many extensions which supports for the development of an online store.
MySql Database
MySQL 5.1
This transaction is between consumer or customer and business or companies where consumer makes a product that the company uses to complete business.

12:14:00 AM
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1.       Question: What are 3 important parts of MVC? 
The Model represent the application data
The View renders a presentation of model data
Module represents the application part
The Controller handles and routes requests made by the client

2.       Question: The view layer in CakePHP can be made up of a number of different parts. What are the deferent part of view layer? 
View
Element
Controller
Model
Helper

3.       Question: Which block of the content contains the content of the render view? 
Content Block
Title Block
Section Block

4.       Question: What are the relationship types in CakePHP? 
HasOne
ManytoMany
HasMany
belongsTo

5.       Question: Cakephp is a PHP framework package which enables you to develop custom application.It supports a MVC based architecture. 
TRUE
FALSE

1.       Question: What is the first file that gets loaded when you run a application using cakephp? 
Index.php
Bootstrap.php
Core.php
Database.php

2.       Question: What is the first function that gets loaded from a controller? 
About
Index
Delete
Edit

3.       Question: What are the list of some database related functions in cakephp? 
Find
FindAll
Create
Query
4.       Question: What is the name of cake's database configuration file? 
Datasource
Database
Database.php.default
Question: What are commonly used components of cakephp? 
Security
Database
Session
Helper

1.       Question: Cakephp allows you to setup a combination of controllers, models and views and release as a packaged application. 
Helper
Plugin
Views
Behavior

2.       Question: Session can be configured in a number of ways in cakephp? 
$this->Session->write('Persion.eyeColor',Green');
array('user'=>array('username'=>'clark-kent@dailyplanet.com'));
'username'=>'clark-kent@dailyplanet.com';
array('username'=>'clark-kent@dailyplanet.com'));

3.       Question: How to retrieve the session value in CakePHP? 
$green=$this->session->retrieve('Person.eyeColor');
$green=$this->session->get('Person.eyeColor');
$green=$this->session->read('Person.eyeColor');

4.       Question: Which method will delete the session cookie and all session data stored in the temporary file system? 
Nullable()
destroy()
unset()

5.       Question: In CakePHP,what are the server built-in ways of authenticating users stored in your application? 
Fromauthenticate
Databaseauthenticate
Basicauthenticate
Digestauthenticate

1.       Question: What are the name of datasource in CakePHP Configuratoin array 
Database/SqlServer
Database/MySql
Database/postgee
All of them


2.       Question: How to load plug in one by one or all of them in a single call? 
CakeLoad('ContractManager');
CakePlugin::loadAll();
CakePlugin::load('ContractManager');
Cake.LoadAll();

3.       Question: Behaviors add extra funtionality to our models.CakePHP comes with a number of built-n behavior such as 
Authentication
tree
Translate
Session

4.       Question: Which helper use to create a forms quickly? 
HTMLHelper
JsHelper
FormHelper
CacheHelper

5.       Question: Which Helper contains method to make text more usable and friendly in our views? 
HTMLHelper
JsHelper
FormHelper
TextHelper

1.       Question: Paginator in CakePHP is offered by a component in the controller to make building paginated queries easier.How to declare paginator component in a controller? 
Public $myPage=array('Paginator');
Public $components=array('Paginator');
Public $helper=array('Paginator');

2.       Question: How to send email by using CakePHP? 
$email=new cakeEmail(); $email=send('app@aaa.com','test');
$email=new cakeEmail();
$email=sender('app@aaa.com','test');
$email=new CakeEmail(); $email=sender('app@aaa.com','test');





3.       Question: The security Component create an easy way to integrate tighter security in our application.Its provides methods for various tasks like.. 
Restriction which HTTP Methods
Requiring that SSl be used
Limiting cross controller communication
All of them

4.       Question: _____ensures that the model is loaded when it is needed. 
Uses('AppModel','Model');
App::uses('AppModel",Modelname');
App::uses('AppModel','Model');
('AppModel",Model');

5.       Question: Which is the default cache Engine in CakePHP? 
Filecache
Apccache
Wincache
XcacheEngine




1.       Question: What are commonly used components of cakephp? 
Security
Sessions
Access control lists
Emails
All of them

2.       Question: What are commonly used helpers of cakephp? 
CacheHelper
FormHelper
HtmlHelper
jsHelper

3.       Question: What is an Element? 
Element in  cakephp are smaller and reusable bits of view code
Used to display the views that contain presentational code.
Used to change the way that models behaves and enforcing model to act as something else.

4.       Question: How to including helpers in controller? 
$helper=array('From','Html','Js','Time');
array('From','Html','Js','Time')
public $helpers=array('From','Html','Js','Time');


5.       Question: A copy of CakePHP's database configuration file is found in 
/app/Config/database.php.default
/app/database.php.default
/app/Config/database/database.php.default
/app/Config/database.default

1.       Question: To work with database in the latest version of cakePHP,__ ____must be enabled in your php.ini file.
mysql
pdo_mysql
pdo_mysqli
mysqli


2.       Question: When a user uses a form to POST data to your application, that information is available in:
$this->get->data
$this->post->data
$this->form->data
$this->request->data

3.       Question: To change the default value of security salt,you have to work with the core php file located in 
/app/Config/core.php
/app/core.php
/system/config/core.php
/config//app/core.php

4.       Question: The _____seed is used for encrypt /decrypt strings. 
salt
cipher
hash
rsa

5.       Question: The _________is the bread and butter of cakePHP applications. 
controller class
Model class
component class
view class

1.       Question: We use the SessionComponent's SessionComponent::________method to set a massage to a session variable to be displayed on the page after redirection. 
setFlash()
setMessage()
showMessage()
showFlash()

2.       Question: CakePHP's model class files located in 
/app/config/model
/app/system/Model
/app/Model
/app/Models/Model

3.       Question: CakePHP works with convention over configuration. 
True
False

4.       Question: By naming your model post ,cakephp will automatically infer that this model work with controller name 
postcontroller
post_controller
PostController
post

5.       Question: The mode named post will tied to a database table named_________automatically 
post
posts
tbl_post
none

1.       Question: _________often represent a single function or interface in an application. 
View
Controller
Model
Actions

2.       Question: To take a advantage of the validation features in cakephp, you'll need to use Cake's FormHelper in your:
action
helper
controller
views

3.       Question: The single instruction in the action uses _______to pass data from the controller to view . 
set()
show()
view()
get()






4.       Question: cake's view files are stored in/app/View inside a folder named after the controller they correspond to .So for controller named PostController the view folderlocation will be 
/app/posts
/app/views/Posts/
/app/View/post/
/app/View/posts/

5.       Question: In cakephp,the view /template file extension is: 
php
html
ctp
ctm
1.       Question: $this->Html is the instance of cakephp's________class. 
HtmlHelper
ViewHelper
htmlhelper
viewHelper

2.       Question: How to create a form in cakephp? 
$this->create()
$this->FormHelper->create()
$this->FormController->create()
$this->Form->create()
3.       Question: In cakephp validation rules are defined in: 
controller
model
view
helper
4.       Question: Every cakePHP request includes a CakeRequest object object which is accessible using $this->request. 
true
false
none
5.       Question: Cake's routing is found in: 
/app/Config/core.php
/app/Config/database.php
/app/Config/routes.php
/app/routes.php
1.       Question: Controller classnames are ______, CamelCased, and end in Controller. 
plural
singular
both
none

2.       Question: The getReady() function of the PeopleController class will look for a view template in: 
/app/view/People/get_ready.ctp
/app/view/PeopleController/get_ready.ctp
/app/People/get_ready.ctp
/app/view/get_ready.ctp

3.       Question: In general, filenames match the classnames, which are: 
uppercase
lowercase
CamelCased
Capitalized

4.       Question: The ____folder is where you'll place third-party PHP libraries you need to use with your cakePHP application.
app
vendors
lib
plugins
5.       Question: Model classnames are ______ and CamelCased.
plural
singular
both
none
1.       Question: CakePHP's_____folder is where you'll do most of your application development. 
app
vendors
lib
plugins
2.       Question: CakePHP does not support composite primary keys. 
true
false
none
3.       Question: A_____is a class that aids in controller logic. 
Component
helper
behavier
model
4.       Question: _______are an abstraction that enable models to manipulate different types of data consistenty. 
views
components
behaviours
Datasources

5.       Question: The render() method is automatically called at the end of each requested controller______. 
controller
model
action
view
1.       Question: Actions are methods on a ________ that handle requests. 
controller
components
models
views
2.       Question: The set method() is the main way to send data from your controller to your_________. 
controller
model
action
view
3.       Question: The __________class is the parent class to all of your application's controllers. 
ViewController
DevController
Appcontroller
Controller
4.       Question: In cakephp, the conventional view file Question: Convention of Foreign key name of the related table followed by _id in CakePHP. Example foreign key of category table to the other table would be category_id. 
True
False
1.       Question: Controller extensions in CakePHP is called 
Behaviors
Components
Helpers
All
1.       Question: Model extensions in CakePHP is called 
Components
Behavious
Helpers
All
2.       Question: View extensions in CakePHP is called 
Components
Behaviors
Helpers
All
3.       Question: Which of the following database storage engine CakePHP does not support? 
MySQL
PostgreSQL
Microsoft SQL Sever
SQLite
Oracle
4.       Question: CakePHP uses app/tmp directory for 
Model descriptions
Cached views
Session information
Cookie
All
5.       Question: Which of the following setup methods are available in CakePHP? 
Development
Production
Testing
Advanced
All
1.       Question: Which of the following database storage engine CakePHP does not support? 
MySQL
PostgreSQL
Microsoft SQL Sever
SQLite
Oracle
2.       Question: CakePHP uses app/tmp directory for 
Model descriptions
Cached views
Session information
Cookie
All
3.       Question: Which of the following setup methods are available in CakePHP?
Development
Production
Testing
Advanced
All
1.       Question: Rather than using an auto_increment key as the primary key, you may also use char(36). CakePHP will then use a unique 36 character UUID (String::uuid) whenever you save a new record using the Model::save method. 
True
False
2.       Question: Convention of Foreign key name of the related table followed by _id in CakePHP. Example foreign key of category table to the other table would be category_id. 
True
False
3.       Question: Model extensions in CakePHP is called 
Components
Behavious
Helpers
All

11:59:00 PM

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