Top 15 Magento Interview Questions & Answers for fresher


1) Mention what is Magento?
Magento is an e-commerce platform created on open source technology, which provides online merchants with exceptional flexibility and control over the content, look, and functionality of their e-commerce store.
2) Mention what is the architecture of Magento? What are the different versions of Magento?
Magento architecture is a typical PHP MVC (Model-View-Controller) application, where all the Controllers will be in one folder and all the Models in another, etc. Based on their functionality files are grouped together, which are referred to as modules in Magento.
A different version of Magento includes
Magento Enterprise
Magento .go
Magento Community
3) Mention what technology does Magento use?
Magento use PHP as a web server scripting language and MySQL for database.
4) Mention what is the difference between Mage::getModel() and Mage::getSingletone() in Magento?
Mage::getModel(): It always creates a new object
Mage:: get singleton(): It always looks for an existing object and if not then creates a new object
5) Mention what are the basic features of Magento?
Basic features of Magento include
Reporting and Analytics
Product and Catalog Browsing
Customer Accounts
Order Management
Payment
Site Management
Shipping
Search engine optimization
Marketing promotions and tools
Checkout
International Support
6) Mention what is the limitation of Magento?
Magento is supported by PHP, comparatively to other e-commerce solutions, Magento might be slow in performance
It becomes a complex system if it is not using object-oriented programming
Magento requires much space and memory
7) Explain how you can enhance the Magento performance?
To enhance the Magento performance
Disable the Magento log
Combine external CSS/JS into one file
Disable any unused modules
MySQL Query Caching
Enable Magento caching
Enable Gzip compression
Optimize your image
8) Explain how you can show a certain number of products for guests in Magento?
In the toolbar block you will see
app/code/core/Mage/Catalog/Block/Product/List/Toolbar.php
there is a method:
Public function setCollection($collection);
Inside there is a piece of code:
$limit= (int)$this->get Limit();
If ($limit) {
$this ->_collection->setPageSize($limit);
}
You have to change variable $limit; you should override that block in the local pool, not change directly in the core. In order to see whether the customer is a guest, you can use this code
Mage:: getSingleton(‘customer/session’) -> isLoggedIn()
9) Mention what all billing information can be managed through Magento?
From the client Magento account, you can do the following things
Update your billing address
Add a credit card
View your billing history
Add a PayPal account
Produce a print-ready receipt
10) Explain how you can change Magento Core API settings?
To change Magento Core API settings, you have to
Go to Admin menu, choose System -> Configuration
Select Magento Core API on the left side of the Configuration Panel, under Services
Tap on to expand the General Settings section and you can
Type the name of the Default Response Charset that you want to use
Determine the Client Session Timeout in seconds
Click the Save Config button when complete
11) Explain how Magento can be made more secure for the client?
Best practices for Magento includes
Using a strong password and changing them at regular interval
Disable remote access to Magento Connect Manager
Disable Downloader on production sites
Restrict access to safe IP addresses
12) Mention what is the benefit of applying Connect Patches in Magento?
In Magento, applying to connect patch
It enables easy installation of packages with installation; it overwrites any existing translations for the same time
For enhancing security, by default Magento Connect uses HTTP to download extensions instead of FTP
With a dash character in the name, extension developers can now create extensions
Magento administrators will be informed now who tries to install an extension with insufficient file system privileges
13) Explain how you can move Magento to another Directory?
To move Magento to other Directory you have to follow the following steps.
Suppose you have Magento installed in the following location
http://www.guru99.com/store/
On visiting your site, you want Magento to be the first thing to come up
http://www.guru99.com
Let assume you have a directory structure like this
/home/username/public_html/
Which means Magento would be installed here
/home/username/public_html/store/
Login to the backend of the Magento first and go to
System -> Configuration -> Web
Update the Secure and Unsecure URL for your store and then link to your site via SSH and then go to the directory, where you will be shifting Magento
cd public_html/
Now, transfer all the files from the store directory to the directory you are in
mv store/* store/.htaccess
Delete the cache data
rm –of var/cache/
Now Magento is moved to another directory.
14) Explain how you can reset Magento file & directory permissions?
You can reset Magento file & Directory to their default and secure permissions, by following commands from the directory where Magento is installed
find . –type f –exec chmod 644 {} \;
find . –type d –exec chmod 755 {} \;
chmod +x mage
15) Explain how you can configure Magento to work with another domain?
To do that, in the admin area, you have to change the Magento Base URL option. To do this, visit your Magento admin area> System > Configuration and click Web on the left menu. Select the Unsecure option after that edit the base URL field to change the URL that will be used for normal (HTTP) connections.

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