IQCode's 2023 Guide: Essential AEM Interview Questions and Answers

AEM Interview Questions for Freshers

As technology advances, consumer habits change rapidly. Marketing and technology have also advanced, but communicating effectively with multi-channel customers remains a challenge. AEM (Adobe Experience Manager) helps bridge this gap by allowing businesses to create custom-tailored interfaces, deliver consistent digital experiences, and fulfil consumer demands on time.

AEM is a java-based content management system that is a powerful component of Adobe Marketing Cloud. It was formerly known as CQ5 and provides sophisticated front-end application development choices for designers. It also enables marketers to manage and optimise content for their key channels without relying on third-party services and gives developers the ability to create, access, and reuse content elements over projects for consistent consumer experiences.

Here is a common question often asked during interviews for AEM fresher roles:

1. Why is AEM preferable over other Content Management Systems? What level of control does AEM provide you with?

H3 tag: Difference between CQ5.4 and CQ5.5

P tag: CQ5.5 is an updated version of CQ5.4 with several enhancements and bug fixes. Some of the significant changes in CQ5.5 include improved content replication, better support for social media integration, and more streamlined workflows for content creation and management. Additionally, CQ5.5 also provides better support for mobile devices and adds several new templates and components for designing responsive websites. Overall, CQ5.5 offers more features and improvements than its predecessor CQ5.4.

What is AEM Testing?

AEM testing refers to the process of testing Adobe Experience Manager (AEM) to ensure that it works seamlessly and meets the requirements of the users. This includes testing various components of AEM such as its user interface, functionalities, and integrations with other systems. Its purpose is to identify and fix bugs or defects that may affect the performance and functionality of AEM.

What is AEM Explorer?

AEM Explorer is a web-based tool designed to help developers and content creators manage and maintain Adobe Experience Manager (AEM) instances. It provides a user-friendly interface for tasks such as content authoring, asset management, and site administration.

// Sample code using AEM Explorer API

Definition of AEM Component

In Adobe Experience Manager (AEM), a component is a modular unit of functionality that can be added to a web page. It is a self-contained module that defines the structure and behavior of a specific part of a web page. Components can be easily reused throughout a website, allowing for consistency in design and functionality. Each component can have its own set of properties and can be customized as required. Components are an essential aspect of AEM's drag-and-drop content authoring experience, enabling non-technical users to easily add and manage dynamic content on their web pages.

What is a Template in AEM?

In AEM, a Template is a blueprint or a model that defines the structure, layout, and components of a web page. It is used as a starting point for creating new pages on a website. AEM templates are created using Adobe's own markup language called Granite Markup Language (GML), which is based on HTML5. Templates save time by providing a pre-designed page structure and layout that can be reused across a website. They also ensure that all pages created from the template follow the same design standards, ensuring consistency throughout the site.

AEM Connectors: Explanation

AEM connectors are a set of tools and plugins that allow Adobe Experience Manager (AEM) to integrate with other third-party systems through APIs. These connectors help to establish a smooth data flow between AEM and other systems. Some common examples of AEM connectors include connectors for Adobe Analytics, Salesforce, and Marketo. By using AEM connectors, businesses can achieve a more unified and seamless digital experience for their customers.

Definition of Content Repository and Introduction to JCR

A content repository refers to a unified and central storage system for managing digital content, including but not limited to documents, images, videos, and audio files. It enables users to save, organize, search, and retrieve digital assets in an efficient and scalable manner.

Java Content Repository (JCR) is an API specification that defines a standard way of accessing content repositories, making it possible for developers to build content-rich applications. It is based on the Java programming language and provides a set of interfaces and methods that allow applications to interact with various types of content repositories in a uniform way. The JCR API supports functionalities such as versioning, locking, access control, and search, among others. JCR implementations, such as Apache Jackrabbit, offer a flexible and extensible approach to content management, making it possible for developers to customize the system to suit their specific needs.

The Foundation of CQ5's Technology Stack

In terms of the technology stack, CQ5 is built on Apache Sling, Apache Felix, and Jackrabbit Oak.

Explanation of Sightly in Adobe Experience Manager (AEM)

Sightly is a templating language used in Adobe Experience Manager (AEM) to render web pages and components. It was introduced in AEM version 6.0 as a replacement for JSP (JavaServer Pages) and has since become the recommended templating language for AEM developers.

Some benefits of using Sightly include:

  • A simplified syntax that separates logic from presentation
  • Improved performance due to efficient code execution and caching
  • Built-in security features that help prevent Cross-Site Scripting (XSS) attacks
  • Compatibility with all major web browsers

Sightly templates can be used in conjunction with HTML and other web technologies to create dynamic and responsive web pages. Sightly also integrates seamlessly with AEM's component model, allowing for easy reuse and modification of existing components.

Why Content Management System (CMS) is Necessary?

Content Management System (CMS) is a software tool used to manage digital content, such as website content, documents, and other multimedia assets. It simplifies the process of creating, updating and publishing content on websites, intranets, and other digital platforms. The need for a CMS arises due to the following reasons:

  • Easy management of large amounts of content
  • Efficient collaboration among multiple users or teams
  • Quick content updates and publishing
  • Uniformity in design and layout across the website
  • Better control over access and permissions
  • Improved website security
  • Effective search functionality
  • Integration with other tools and services
By using a CMS, organizations can maintain a consistent brand image, manage content efficiently, and deliver a better user experience to their audiences.

Understanding Workflows and Workflow Models in AEM

In Adobe Experience Manager (AEM), a workflow is a set of pre-defined steps that outlines how content is to be created, reviewed, approved, published, and archived. It is an automated process that enables organizations to manage content creation, delivery, and maintenance in an efficient and consistent manner.

On the other hand, a workflow model is a template that is used to create workflows. It defines the sequence of steps, participants, and rules for each step of the workflow. Once a workflow model is created, users can create individual workflows based on that model.

Workflow models provide a lot of flexibility in AEM, allowing organizations to customize workflows to meet their specific content creation and publishing needs. They also allow users to create and edit content in a controlled environment, reducing the risk of errors and inconsistencies.H3 Advantages of Using OSGi (Open Service Gateway Initiative)

OSGi offers several benefits when it comes to application development. Some of these advantages include:

1. Modularity: OSGi allows for modular application development, making it easier to manage and update applications.

2. Dynamic Loading: With OSGi, modules can be loaded and unloaded dynamically, without requiring a restart of the application.

3. Versioning: OSGi provides versioning capabilities, allowing multiple versions of a module to coexist and work together.

4. Service Oriented Architecture: OSGi is built around a service-oriented architecture, making it easier to create and use reusable services.

5. Standardization: OSGi is an open standard, which means that it is widely adopted and supported by many vendors.

Overall, the use of OSGi can lead to more efficient and modular application development, as well as easier maintenance and updates.

Explanation of the Life Cycle of an OSGi Bundle

OSGi bundles have a specific lifecycle. These phases involve the process of creating, starting, stopping, updating, and destroying them. Here are the details of these phases:

// This is an example of a Bundle Activator class that implements start() and stop() methods public class BundleActivatorImpl implements BundleActivator {

// Called when the bundle is being started public void start(BundleContext bundleContext) throws Exception { System.out.println("Bundle started!"); }

// Called when the bundle is being stopped public void stop(BundleContext bundleContext) throws Exception { System.out.println("Bundle stopped!"); } }

1. Instantiation: The first step in the lifecycle of an OSGi bundle is the instantiation of the BundleActivator class which contains the start() method to be executed when the bundle gets started.

2. Installation: Once the bundle is instantiated, it is installed using an OSGi framework such as Apache Felix or Equinox. This process extracts all the relevant files from the bundle and makes them available for the framework to use.

3. Resolution: After the successful installation of the bundle and its components, the framework resolves all the dependencies of the bundle using the Import-Package header defined in the bundle's manifest file. This helps to ensure that all the necessary packages are available to the bundle.

4. Activation: Once all the dependencies have been resolved, the bundle is activated and the start() method of the BundleActivator class is called. This method is responsible for initializing the bundle and registering any services that the bundle provides.

5. Execution: The bundle is now ready to execute and perform its intended tasks. The OSGi framework takes care of all the underlying processes and ensures that the bundle works seamlessly with other bundles running on the same framework.

6. Modification: At a later time, if the bundle needs to be updated or modified, the framework follows the same process from installation onwards to update or modify the bundle.

7. Deactivation: Finally, when the bundle is no longer required, the framework calls the stop() method of the BundleActivator class. This method is responsible for deactivating the bundle and performing any cleanup tasks that need to be done before the bundle is stopped.

In summary, understanding the lifecycle of an OSGi bundle is crucial when developing applications utilizing OSGi technology. It helps to ensure that your bundle runs smoothly and communicates effectively with other bundles in the framework.

Client Libraries in AEM

In AEM, Client Libraries are a collection of client-side resources such as CSS, JavaScript, and fonts that are used to enhance the user experience and styling of web pages. These resources are organized into logical groups and can be easily included in AEM components and pages.

Client Libraries also provide a way to manage the dependencies between different resources and ensure that they are loaded in the correct order. This helps to optimize the loading time of web pages and reduce the risk of conflicts between different libraries.

In AEM, Client Libraries are created and managed using the Client Library Folder (CLF) in the AEM Web Console. CLF provides a central location for creating and managing client libraries, as well as defining the content of each library and the dependencies between them.

What is the most efficient way to load digital assets into a Digital Asset Management system?

There are several ways to load digital assets into a DAM system, but the most efficient way depends on the specific requirements of your organization. One common method is to set up an API integration between the DAM and your other systems. This will allow for seamless data transfer and automatic asset upload. Another option is to use batch uploading, which involves organizing your digital assets into batches and uploading them in a single process. This can be time-consuming, but it is useful for organizations with a large number of assets that need to be managed. Additionally, many DAM systems offer drag-and-drop functionality, making it easy to upload individual assets on an as-needed basis. Whatever method you choose, it is important to properly tag and categorize your assets to ensure easy retrieval and effective management in the future.

//Example of API Integration const damAPIKey = "YOUR_API_KEY"; const damURL = ""; const assetData = { //insert asset data here }; fetch(`${damURL}?apiKey=${damAPIKey}`, { method: 'POST', headers: { 'Content-Type': 'application/json', }, body: JSON.stringify(assetData), }) .then((response) => { console.log(response); }) .catch((error) => { console.error(error); });

Understanding CQ5 Overlay/Override Component

In CQ5, an Overlay/Override Component is a method of customizing an out-of-the-box component provided by Adobe. This method allows developers to make modifications to the existing components without having to make changes to the original codebase. Overlay/Override modifications are made by creating a new component with the same name and properties as the original component, but with custom modifications added. When the CQ5 application loads, it will first look for the Overlay/Override component and use it instead of the original component provided by Adobe. This allows for flexible customization of the user interface while minimizing the risk of breaking the original codebase.

What is the Difference Between a Dialog and a Design Dialog?

A dialog refers to a conversation between two or more people, while a design dialog is a specific type of conversation where designers collaborate on creating a solution to a design problem. In a design dialog, the focus is on discussing and refining design ideas and concepts.

Understanding XTypes in AEM and their Benefits

XTypes are a key component of AEM's Touch UI framework. They define the type of a component and its associated features and behaviors. With XTypes, developers can easily create new components and modify existing ones without needing to change underlying code.

One of the biggest benefits of XTypes is that they allow for easy customization and configuration of an AEM instance. Developers can create new XTypes that extend existing ones or define entirely new ones to suit their needs. This flexibility allows them to create a unique user experience that meets their specific requirements.

Another advantage of XTypes is that they enable rapid development. By using pre-built XTypes, developers can quickly create new components without needing to write tedious code from scratch. Additionally, XTypes provide a standardized set of behaviors and features, which ensures consistency across the entire application.

Overall, XTypes play a critical role in AEM development. They provide a way for developers to create flexible, configurable, and consistent components, which ultimately results in a better overall user experience.

Basic SCR Annotations for OSGi Component Creation

In OSGi component creation using SCR, the following annotations are commonly used:

- @Component: This annotation is used to mark a class as an SCR component and provide metadata such as name, configuration policy, enabled flag, and immediate flag.

- @Reference: This annotation is used to mark a field or a method as a reference to a service that the component depends on. It provides metadata such as name, cardinality, policy, target filter, and bind and unbind methods.

- @Activate: This annotation is used to mark a method that will be called when the component is activated. It can be used to perform initialization tasks.

- @Deactivate: This annotation is used to mark a method that will be called when the component is deactivated. It can be used to perform cleanup tasks.

- @Modified: This annotation is used to mark a method that will be called when the component's properties are modified. It can be used to update the component's state.


@Component(name = "exampleComponent", enabled = true, immediate = true)
public class ExampleComponent {
    @Reference(cardinality = ReferenceCardinality.MANDATORY, policy = ReferencePolicy.STATIC, target = "(")
    private ExampleService exampleService;
    protected void activate() {
        // Perform initialization tasks
    protected void deactivate() {
        // Perform cleanup tasks
    protected void modified() {
        // Update component's state

Understanding the Difference between Authoring and Publishing Environments

In the context of web development, the authoring environment is the software used to create and edit web content. On the other hand, the publishing environment is a web server, where the finished content is hosted and made accessible to the public.

In the authoring environment, developers can work on the code, design layout, and test the functionality of a website before publishing it. Authoring tools like Adobe Dreamweaver or WordPress allow developers to create and edit pages on their local machine.

Once the website is ready, it is transferred to the publishing environment, which is the web server where the website will be hosted. The publishing environment serves the website to the public, where it can be accessed through a web browser.

In summary, the authoring environment is where developers create and edit content, while the publishing environment is where the finished website is hosted and made accessible to the public.H3 tag - Definition of a Replication Agent

A replication agent is a software component that facilitates the replication of data between databases in a distributed database management system. It allows data to be synchronized between different database instances and ensures consistency across all copies of the data. Replication agents typically work by monitoring changes made to the database and propagating those changes to other databases as needed. They play a critical role in maintaining data integrity and availability in distributed systems.

What is Resource Mapping?

Resource mapping is the process of identifying and categorizing the available resources in a particular area. This can include natural resources such as forests, water sources, and mineral deposits, as well as human resources such as the local workforce and available expertise. The goal of resource mapping is to provide a comprehensive understanding of the resources available in a given area, which can help to inform development and conservation decisions. In the context of technology, resource mapping can also refer to the process of assigning resources to specific tasks or activities within a system.

AEM Design Patterns

In AEM, the following design patterns are commonly used:

  • MVC (Model-View-Controller) architecture
  • Dependency Injection
  • Adapter Pattern
  • Facade Pattern
  • Decorator Pattern
  • Singleton Pattern
  • Observer Pattern
  • Factory Pattern

These design patterns help developers to create maintainable and scalable AEM applications by providing a structured approach to development and code reusability.

Distinction between Bundle and Package

In software development, a bundle and a package are two terms that are often used interchangeably, but they have different meanings.

A package is a collection of related classes and resources that are grouped together to provide a specific functionality or feature. It is usually stored in a directory hierarchy and contains a set of files that can be used by a program or other packages.

On the other hand, a bundle is a type of package that is used in macOS and iOS operating systems. It is a directory hierarchy that contains executable code, resources, and metadata for a specific application or software component.

In summary, while a package is a general term that refers to a collection of related files, a bundle is a specific type of package that is used in macOS and iOS operating systems.

Distinguishing between PARSYS and IPARSYS

PARSYS and IPARSYS are both components used in Adobe Experience Manager (AEM) to manage content. However, there are some key differences between the two:

- PARSYS (Paragraph System) is a basic content container that allows authors to add, remove and reorder components within a single column. It is a regular component and can be placed anywhere on a page. - IPARSYS (Inherited Paragraph System) is similar to PARSYS but has the added ability to inherit content from the parent page. This means that any content added to the IPARSYS component on a child page will also be available on the parent page. IPARSYS is usually used within a template to create consistent layouts across a website.

In summary, while PARSYS is a basic content container, IPARSYS is used for inheriting content and maintaining consistency across a website.

Understanding Sling in Adobe Experience Manager

Sling is a web framework that is used in Adobe Experience Manager (AEM) to develop web applications. It is based on Java Content Repositories (JCR) and REST principles. Sling uses a content-based approach, meaning that content is at the center of everything it does.

Sling provides a robust platform for developing applications and managing content. Its flexible architecture allows developers to create and manage content-driven applications across a variety of channels and devices. Sling also enables developers to create custom workflows, integrate with third-party tools and systems, and extend the functionality of AEM.

One of the key features of Sling is its ability to map resources to URLs. This means that content can be easily accessed through a RESTful API and used in various applications and systems. Sling also provides a set of core APIs and services that can be used to develop custom applications.

Overall, Sling is a powerful framework that enables developers to build scalable and flexible web applications in AEM. Its content-centric approach and RESTful architecture provide a solid foundation for building content-driven applications that can be accessed across a range of devices and platforms.

AEM Interview Question for Experienced

What is Reverse Replication and How Does it Work in AEM?

Reverse Replication is a feature of Adobe Experience Manager (AEM) that allows content to be replicated from a Publish instance to an Author instance. This feature enables the Author instance to update content according to the changes made on the Publish instance.

When Reverse Replication is enabled, the Publish instance sends notifications to the Author instance about any changes to replicated content. The Author instance then downloads the updated content and uses it to replace the outdated content on its own instance.

This process is useful when the Author instance is used for content updates, while the Publish instance is used for content delivery. Reverse Replication ensures that the Author instance's content stays up-to-date with the content on the Publish instance.

Understanding the difference between parbase and parsys

Parbase and PARSYS are two terms used in AEM (Adobe Experience Manager) for creating components. Parbase is a foundation or base component that is used to create other components. PARSYS, on the other hand, is a container component that can hold other components, including parbase components.

The main difference between the two is that parbase is used as a starting point for creating new components with pre-built capabilities such as rendering the component or handling data. PARSYS, on the other hand, is used to create a component that can hold other components.

In essence, parbase is a basic component while PARSYS is a container component that holds other components. By using parbase and PARSYS together, components can be created and nested within one another to form complex components.

What is the Purpose of the Multi-Site Manager?

The Multi-Site Manager is designed to allow users to manage multiple websites from a single dashboard. Its purpose is to simplify the management of several sites, by providing a centralized location to view and control all of them at once. This can be especially helpful for website owners, administrators, or developers who operate several sites or pages and need to make changes across all of them. With the Multi-Site Manager, they can efficiently manage and maintain their entire network of websites, streamlining their workflow and saving time.

Understanding Component Extension in Programming

Component extension refers to the process of inheriting or deriving a new class from an existing component while adding new or modifying its functionality. This allows for code reusability and saves time and effort in the development process. Extending a component involves using the properties and methods of the base component and overriding, adding, or removing some of them to fit specific requirements. It is a common practice in object-oriented programming and is used to create new and more specialized components that inherit the behavior of their parent classes. When extending a component, it is important to ensure that the code is easily maintainable, scalable, and meets the desired functionality requirements.

Explanation of the Listener Property in AEM

In Adobe Experience Manager (AEM), the Listener property is a configuration that allows developers to attach event listeners to an OSGi (Open Services Gateway Initiative) service. This property helps to register the listener to a specified path or a set of paths within the repository. Whenever a change occurs in the repository at the specified path(s), the attached listener is triggered to handle that change.

By using the Listener property, developers can create custom code to perform actions when a certain event occurs, for example, creating, updating, or deleting a node. This is a very useful feature as it simplifies the development process and helps developers to build robust applications that respond to changes in the repository.

Below is an example code that illustrates the implementation of a listener in AEM:

@Reference private SlingRepository repository;

@Activate protected void activate(ComponentContext ctx) { try { Session session = repository.loginAdministrative(null); Workspace workspace = (Workspace) session.getWorkspace(); ObservationManager observationManager = workspace.getObservationManager(); observationManager.addEventListener( new CustomListener(), Event.NODE_ADDED | Event.NODE_REMOVED, "/content/mysite", true, null, new String[]{"mix:title"}, false ); } catch (RepositoryException e) { log.error("Unable to register event listener", e); } }

In this example, the Listener property is used with the ObservationManager to register an event listener at the specified path in the repository. When a node is added or removed in the "/content/mysite" path, the CustomListener class is triggered to handle the event. This allows developers to create custom code to execute specific actions when an event occurs at a specific path in the repository.

What is an AEM Brackets Extension?

An AEM Brackets Extension is a plugin that can be installed in Brackets, an open-source code editor. This extension is designed to enhance the developer experience for Adobe Experience Manager (AEM) projects, making it easier to edit AEM-specific files and providing tools for quickly accessing frequently used files and folders. It also includes syntax highlighting and auto-completion for AEM-specific code, such as JSP, Java, and HTL. Using the AEM Brackets Extension can improve the efficiency and productivity of developers working on AEM projects.

Understanding AEM's FileVault Tool (VLT)

AEM's FileVault Tool, commonly known as VLT, is a command-line tool used for content sync between AEM instances and local code. This tool enables developers to manage the content code and configuration of AEM instances through their local development environment. With VLT, developers can maintain code by importing or exporting files, detecting and resolving conflicts, and also keeping track of versions. Overall, VLT is a useful tool for managing and collaborating on AEM projects.

Dam Renditions Explained

Dam renditions refer to the multiple versions or variations of any digital asset that is stored in a digital asset management (DAM) system. These renditions are created to be suitable for a variety of purposes such as different devices, platforms, or screen sizes. They can be images, videos, or any other type of digital asset. The purpose of creating different renditions is to ensure the best user experience by delivering the most suitable version of the asset to the user's device.

Clustering in CQ5

Clustering in CQ5 refers to the process of grouping multiple CQ5 instances together in order to achieve better performance, scalability, and availability. In a clustered environment, multiple CQ5 instances work together to handle incoming requests, distribute load, and provide failover support. The primary benefits of clustering in CQ5 include improved performance, increased availability, and easier scalability. Clustering can be configured using various load balancing and failover mechanisms, such as hardware load balancers, software-based load balancers, and DNS-based load balancing.

The Role of Servlet Engine in AEM

In Adobe Experience Manager (AEM), the servlet engine plays a crucial role in handling HTTP requests and responses. It acts as a mediator between the web server and the AEM server, facilitating the communication and transfer of data between the two.

The servlet engine in AEM is responsible for maintaining the web application during its lifecycle and for mapping client requests to the appropriate Servlet or JSP. It also executes and manages the Servlet and JSP instances and handles the lifecycle events of these components.

In addition, the servlet engine processes client-side requests by generating dynamic content, managing session data, and maintaining the state of the application. It also manages the caching of frequently accessed data to improve application performance.

Overall, the servlet engine is an essential component of AEM that ensures efficient handling of HTTP requests and responses and enables smooth functioning of web applications.

Two Roles of the CQ5 Dispatcher

The CQ5 Dispatcher has two main roles:

  1. Caching web pages to improve website performance. The Dispatcher can store frequently accessed content, reducing the need to retrieve it from the CMS.
  2. Protecting the website against unauthorized access and hacking attempts by serving as a first line of defense. The Dispatcher can filter out unwanted requests and only allow valid requests through to the web server.

What are Adaptive Forms and Adaptive Documents?

Adaptive Forms and Adaptive Documents are two types of digital forms used for data collection and processing. Adaptive Forms are web-based forms that can dynamically change their layout and content based on user inputs. They are designed to be accessed on any device, including mobile phones and tablets. Adaptive Documents, on the other hand, are electronic documents that can be customized based on user preferences and device capabilities. They are typically used for creating personalized reports, contracts, and other types of documents. Both Adaptive Forms and Adaptive Documents are commonly used in business and government applications for data collection and presentation purposes.

Benefits of using a Tag in AEM

In AEM, using tags can bring several benefits. Tags allow content to be organized and classified in a way that is easy to search and filter. Tags can also help to improve the user experience by enabling users to find the content they are looking for more quickly. Additionally, tags can be used for SEO purposes, as they can improve the visibility and ranking of the content in search engines. By using tags in AEM, content authors can manage and maintain consistency in how content is labeled and categorized. This saves time and ensures that content is easy to find and use for all users.

Can certain users be restricted from accessing specific digital assets?

Yes, it is possible to prevent certain users from accessing certain digital assets. This can be achieved through various methods such as implementing access control mechanisms, permissions management, and encryption. By using these methods, access to digital assets can be restricted based on a user's role, location, or any other relevant criteria.

AEM Content Structure for Multiple Brands with Unique Themes

The AEM content structure currently contains numerous pages for multiple brands, but they cannot be segregated within the site hierarchy. Each brand requires a unique theme, and the client expects this to be implemented.

Uploading DAM Assets to AEM Instance

As you may already know, every time we upload a DAM asset on AEM, it triggers a back-end workflow. Currently, we need to upload around 3000 DAM assets with varying sizes on our AEM instance. However, we don't want to overload the instance with thousands of operations at once.

Therefore, we need to implement an efficient method to upload these assets in a controlled manner without overwhelming the system.

Technical Interview Guides

Here are guides for technical interviews, categorized from introductory to advanced levels.

View All

Best MCQ

As part of their written examination, numerous tech companies necessitate candidates to complete multiple-choice questions (MCQs) assessing their technical aptitude.

View MCQ's
Made with love
This website uses cookies to make IQCode work for you. By using this site, you agree to our cookie policy

Welcome Back!

Sign up to unlock all of IQCode features:
  • Test your skills and track progress
  • Engage in comprehensive interactive courses
  • Commit to daily skill-enhancing challenges
  • Solve practical, real-world issues
  • Share your insights and learnings
Create an account
Sign in
Recover lost password
Or log in with

Create a Free Account

Sign up to unlock all of IQCode features:
  • Test your skills and track progress
  • Engage in comprehensive interactive courses
  • Commit to daily skill-enhancing challenges
  • Solve practical, real-world issues
  • Share your insights and learnings
Create an account
Sign up
Or sign up with
By signing up, you agree to the Terms and Conditions and Privacy Policy. You also agree to receive product-related marketing emails from IQCode, which you can unsubscribe from at any time.