Spark Interview Questions and Answers

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Q1. 2 technical rounds
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Q2. Merge sort algorithm
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Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts them separately, and then merges them back together in sorted order.
• Divide the input array into two halves

• Recursively sort each half

• Merge the sorted halves back together
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Q1. Leetcode Easy question
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Q1. Linux commands,
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Q2. Cloud technologies different services (iaas, paas, saas)
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Cloud technologies offer different services like IaaS, PaaS, and SaaS for varying levels of control and management.
• IaaS (Infrastructure as a Service) provides virtualized computing resources over the internet, such as virtual servers and storage.

• PaaS (Platform as a Service) offers a platform allowing customers to develop, run, and manage applications without dealing with infrastructure.

• SaaS (Software as a Service) deli...read more
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Q3. What do you know AWS
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Discussion about OOPS concepts and String related program

Program on Recursion and Array

Q1. Strength and Weakness
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Q2. Reason for joining with company
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Q1. Automation testing platforms
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Q2. Java programs for list and strings
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Java programs for manipulating lists and strings.
• Use ArrayList class for lists and String class for strings.

• To add elements to a list: list.add(element);

• To access elements in a list: list.get(index);

• To concatenate strings: string1 + string2;

• To find the length of a string: string.length();
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Q1. How do yo sharding in mongodb
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Sharding in MongoDB involves partitioning data across multiple servers to improve scalability and performance.
• Sharding is achieved by dividing data into chunks based on a shard key

• Each shard contains a subset of the data, distributed across multiple servers

• MongoDB's sharding architecture includes config servers, query routers, and shard servers

• Sharding can be implemented at the collection level in MongoDB
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Q1. Python questions
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Q1. Why you want to work here
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I am passionate about software development and believe in the company's mission and values.
• I admire the company's innovative projects and technologies.

• I resonate with the company's culture of collaboration and continuous learning.

• I am excited about the opportunity to work with a talented team of developers.

• I believe my skills and experience align well with the company's needs.
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Q1. In depth technical questions
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Q2. System design questions
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Basic Fibonacci and prime number questions.