PolicyX.com Senior Sales Associate Interview Questions and Answers

Q1. Basic details, qualification,skills int
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Q2. Last salary and expected
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Q1. Self introduction
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Q2. Past experience
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Q1. Introduction, share ur views on some topic
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Q2. Ur aim, skills and about u beside of introduction
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Q1. About the previous and present company
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Q1. Does Java support pass by reference?
Ans. 
Yes
• Java uses pass by value for all variables, including object references.

• When an object reference is passed as an argument, a copy of the reference is passed, not the actual object.

• Modifying the reference inside the method will not affect the original reference outside the method.

• However, modifications to the object's state inside the method will be visible outside the method.
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Q2. Explain Singleton Pattern
Ans. 
Singleton pattern restricts the instantiation of a class to a single object.
• Singleton pattern ensures that only one instance of a class exists throughout the application.

• It provides a global point of access to the instance.

• Commonly used in scenarios where a single instance needs to coordinate actions across the system.

• Example: Database connection manager, logger, configuration manager.
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Q1. Internal Implementation of HashMap
Ans. 
HashMap is implemented using an array of linked lists to handle collisions.
• HashMap stores key-value pairs in an array of linked lists

• Hash function is used to determine the index of the array where the key-value pair will be stored

• Collision handling is done by chaining, where multiple key-value pairs with the same hash value are stored in the same linked list

• HashMap allows null keys and values

• HashMap is not synchronized...read more
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Q1. Tell me something about your self
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Q2. Why should i hire u
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Q1. Minimum 30 word per min typing speed with 95+ accuracy
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Q2. How did i spent your yesterday
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Q1. Normal questions by operation manager
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DS, Algo, DP, Greedy, Stack, Heap

Q1. System Design a DropBox
Ans. 
Design a scalable cloud storage system similar to DropBox.
• Use distributed file system for storing files across multiple servers.

• Implement data deduplication to save storage space.

• Use client-side encryption for security.

• Implement file synchronization across devices.

• Utilize load balancing to distribute user requests.

• Implement version control for files.

• Use metadata for efficient file organization.
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Q2. Design a Linked List
Ans. 
A linked list is a linear data structure where each element is a separate object with a reference to the next element.
• Start with a Node class that has data and a reference to the next node

• Create a LinkedList class that manages the nodes and provides methods like insert, delete, and search

• Example: Node class - data, next; LinkedList class - head, insert(data), delete(data), search(data)
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Q1. About yourself. Projects worked upon
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Q2. Why want to join Ocrolus?
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