Solartis Technology Services QA Engineer Interview Questions and Answers

Coding questions on Javascript

Q1. Coding questions were asked
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Q1. What are the modules worked on Facets?
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Q2. What is Dental claim processing?
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Q1. What is your work experience
Ans. 
I have 5 years of experience working as a software engineer in various industries.
• Developed web applications using Java, Spring, and AngularJS

• Led a team of developers in a successful project delivery

• Implemented CI/CD pipelines to automate software deployment

• Worked on improving system performance and scalability
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Q2. Is working timing flexible
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Q1. IAM & PAM Operations
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Q2. Related to Sailpoint
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Q1. What is Linked List
Ans. 
A linked list is a linear data structure where elements are stored in nodes with each node pointing to the next node in the sequence.
• Consists of nodes connected by pointers

• Can be singly linked (each node points to the next) or doubly linked (each node points to the next and previous)

• Allows for dynamic size and efficient insertion/deletion operations
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Q1. Define hooks and its use cases
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Hooks are functions that allow developers to use state and other React features in functional components.
• Hooks are introduced in React 16.8 to allow state and other React features in functional components.

• Use cases include managing state, using lifecycle methods, and accessing context in functional components.

• Examples of hooks include useState, useEffect, useContext, and custom hooks created by developers.
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Q2. Difference between null and undefined
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Null is a value that represents the absence of a value, while undefined means a variable has been declared but not assigned a value.
• Null is a value that can be assigned to a variable to indicate that it has no value.

• Undefined is a type that is automatically assigned to variables that have been declared but not initialized.

• Null is a deliberate assignment by the programmer, while undefined is a default value assigned by ...read more
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There were 13 MCQ questions on DSA, 17 MCQ aptitude questions, and 2 coding questions.

Q1. There's a string s1,s2 and s3. s1 and s2 are divided into n and m parts respectively. check if, after interleaving strings s1 and s2, we get s3 as one of the answers.
Ans. 
Check if after interleaving strings s1 and s2, we get s3 as one of the answers.
• Create a recursive function to check all possible interleavings of s1 and s2

• Check if the current interleaving matches s3

• Return true if a valid interleaving is found, false otherwise
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Q2. Difference between cluster and non-cluster indexing. Do you know about database indexing?
Ans. 
Cluster indexing physically reorders the data on disk to match the index, while non-cluster indexing does not.
• Cluster indexing physically reorders the data on disk to match the index structure, leading to faster retrieval of data.

• Non-cluster indexing creates a separate data structure that points to the actual data, which may result in slower retrieval times.

• Cluster indexing is typically used in primary keys, while non-...read more
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Q3. Difference between stack and heap memory.
Ans. 
Stack memory is used for static memory allocation and follows a Last In First Out (LIFO) structure, while heap memory is used for dynamic memory allocation and has a more flexible structure.
• Stack memory is limited in size and is typically faster to access compared to heap memory.

• Variables stored in stack memory have a fixed size determined at compile time, while variables in heap memory can have a size determined at ru...read more
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Q4. What is a stable sort?
Ans. 
A stable sort is a sorting algorithm that preserves the relative order of equal elements in the sorted output.
• Stable sorts are useful when the original order of equal elements needs to be maintained.

• Examples of stable sorting algorithms include Merge Sort, Bubble Sort, and Insertion Sort.

• In a stable sort, if two elements have the same key value, their relative order in the original array is preserved in the sorted arra
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Q5. What's the time complexity of insertion in a hashmap?
Ans. 
Time complexity of insertion in a hashmap is O(1).
• Insertion in a hashmap has a constant time complexity of O(1) on average.

• This is because hashmaps use a hashing function to determine the index where the key-value pair should be stored.

• Even in the worst-case scenario, where there are collisions, the time complexity is still O(1) due to techniques like chaining or open addressing.

• Example: Inserting a key-value pair into...read more
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Q6. What is hashing?
Ans. 
Hashing is a process of converting input data into a fixed-size string of bytes using a hash function.
• Hashing is used to securely store passwords by converting them into a hash value.

• Hashing is used in data structures like hash tables to quickly retrieve data based on a key.

• Common hash functions include MD5, SHA-1, and SHA-256.
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2 coding questions 10 aptitude and other 15 technical questions

Q1. DSA related question
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Q1. DSA related question
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