EXL Service Manager Interview Questions and Answers

Q1. What is hadoop architecture
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Hadoop architecture is a framework for distributed storage and processing of large data sets across clusters of computers.
• Hadoop consists of HDFS for storage and MapReduce for processing.

• It follows a master-slave architecture with a single NameNode and multiple DataNodes.

• Data is stored in blocks across multiple DataNodes for fault tolerance and scalability.

• MapReduce processes data in parallel across the cluster for fas...read more
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Q2. What is spark architecture
Ans. 
Spark architecture refers to the structure and components of Apache Spark, a distributed computing framework.
• Spark architecture includes components like Driver, Executors, and Cluster Manager.

• Driver is responsible for converting user code into tasks and scheduling them on Executors.

• Executors are responsible for executing tasks and storing data in memory or disk.

• Cluster Manager is responsible for managing resources acro...read more
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Q1. Basic introduction
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Q2. Project Management Cycle
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Q1. Basic Introduction and Experience sharing
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Q1. Salary Negotiation
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Q1. Related to react js and it's functionalities
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