RR Ispat Interview Questions and Answers

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Q1. What are the technology stacks used in Adobe Experience Manager (AEM)?

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Adobe Experience Manager (AEM) uses Java, Apache Sling, OSGi, and JCR technology stacks.

Java is the primary programming language used in AEM development.
Apache Sling is a web application framework that forms the core of AEM.
OSGi (Open Service Gateway Initiative) is used for modularizing the AEM application.
JCR (Java Content Repository) is used for storing and managing content in AEM.

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I have extensive experience working with Adobe Experience Manager (AEM) in a cloud environment.

Implemented AEM solutions on cloud platforms like Adobe Managed Services (AMS) and Amazon Web Services (AWS)
Managed AEM instances in a cloud environment, including deployment, scaling, and monitoring
Utilized cloud-based tools for continuous integration and continuous deployment (CI/CD) pipelines
Worked on optimizing AEM performance in a cloud environment to ensure scalability and rel...read more

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Strategies to overcome failures include learning from mistakes, staying positive, seeking feedback, and setting new goals.

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Basic design patterns in Java include Singleton, Factory, Observer, and Strategy patterns.

Singleton pattern ensures a class has only one instance and provides a global point of access to it.
Factory pattern creates objects without specifying the exact class of object that will be created.
Observer pattern defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically.
Strategy pattern defines a fa...read more

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Manufacturing processes are methods used to create products from raw materials. There are various types of manufacturing processes.

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GCD and Operation Queue are both used for managing concurrent tasks, but GCD is lower level and more efficient.

GCD is a C-based API for managing concurrent tasks
Operation Queue is a higher-level API built on top of GCD
GCD uses a thread pool to execute tasks, while Operation Queue uses GCD under the hood
GCD is more efficient for simple tasks, while Operation Queue is better for more complex tasks with dependencies
GCD is more low-level and requires more manual management, while...read more