Zifo RnD Solutions Technical Analyst Interview Questions and Answers

Q1. What is Singleton Pattern
Ans. 
Singleton pattern ensures a class has only one instance and provides a global point of access to it.
• Used to restrict the instantiation of a class to one object

• Provides a global point of access to the instance

• Commonly used in logging, caching, thread pools, database connections

• Example: Database connection manager class with a single instance
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Q2. What is Circuit Breaker in Microservices
Ans. 
Circuit Breaker is a design pattern used in microservices to prevent cascading failures.
• Circuit Breaker monitors the availability of a service and prevents requests from being sent if the service is unavailable.

• It helps in improving the resilience of the system by providing a fallback mechanism.

• When the Circuit Breaker is open, it redirects calls to a predefined fallback method or returns an error response.

• Once the ser...read more
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Q1. Technical questions related to domain. Oops,SQL,Asp.Net MVC
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Q1. Some technical+managerial round
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Q1. Why are you looking for a change?
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Q2. What is that you bring skills to the table that can add value to the Company
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Q3. How can you bring value add to the Company
Ans. 
I can bring value to the company by leveraging my technical expertise and leadership skills to drive innovation and improve efficiency.
• Identifying and implementing new technologies to streamline processes

• Mentoring and coaching team members to enhance their skills and productivity

• Collaborating with cross-functional teams to develop and execute strategic plans

• Ensuring adherence to industry standards and best practices

• Con...read more
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Q1. What is your expectation?
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Q2. How long do you think will continue with the Company
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Q1. Most of questions related project base and Apache Hadoop, Spark fundamental and also indept question in above areas
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Spark and Hadoop architecture, Linux command , python , pyspark question

Q1. They were asking related CTC, location etc.
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Q1. I the first round HR will ask you to tell about yourself. My Introduction format was as follows- 1.Good Morning/Afternoon/Evening 2.Thankyou For the opportunity greeting 3.Name and home town 4.Pursuing co...read more
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Q1. Where you belong from ? Tell me about schooling ? what are your carrier Goals ? Are you comfortable with night shift ?
Ans. 
I am from XYZ city and completed my schooling from ABC school. My career goal is to become a successful Technical Analyst. Yes, I am comfortable with night shifts.
• I belong to XYZ city.

• I completed my schooling from ABC school.

• My career goal is to become a successful Technical Analyst.

• I am comfortable with night shifts.
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