GSPANN Technologies Interview Questions and Answers

Q1. How can you rate yourself in Tech support ?
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Q2. Why should I hire
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Topics related to javascript basics and html.

Q1. Group array of object by key.
Ans. 
Group array of objects by key
• Use Array.reduce() method to group objects by key

• Create an empty object to store the grouped objects

• Iterate over the array and check if the key already exists in the grouped object, if not create a new key and add the object to it
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Q2. Change detection strategy
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Change detection strategy is a method used to identify and track changes in data or state within an application.
• Use frameworks like Angular that have built-in change detection mechanisms

• Implement manual change detection by comparing previous and current states of data

• Leverage immutable data structures to easily detect changes
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Q3. Design custom pipe and directives
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Custom pipes and directives are used in Angular to transform data and manipulate the DOM.
• Custom pipes can be created by implementing the PipeTransform interface and defining a transform method.

• Custom directives can be created by using the @Directive decorator and defining the desired behavior.

• Example of custom pipe: transforming a string to uppercase.

• Example of custom directive: highlighting an element on hover.
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Q1. Basic of OOOPS like abstraction, polymorphism with example.
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Q2. Problem solving question to write code to solve string problem.
Ans. 
Solve a string problem by implementing an efficient algorithm to manipulate or analyze strings.
• Identify the problem type: substring search, anagram check, palindrome check, etc.

• Use built-in string functions for efficiency, e.g., str.contains() in Python.

• Consider edge cases: empty strings, single-character strings.

• Optimize for time complexity, aiming for O(n) when possible.

• Example: To check if two strings are anagrams, ...read more
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Q3. Questions on ASP.net MVC like state management, filters.
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Q4. Solid principle and some architecture like factory or singleton.
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Q5. SQL questions to write queries based on group data and questions on optimization of Stored procedure.
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Q1. Project based questions.
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Q2. Agile methodology and tools.
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Q3. Azure basics and functions.
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Q1. General questions regarding negotiation of CTC.
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Q1. Project scenario based questions mainly performance optimization.
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Q2. Some SQL questions.
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Q1. Interview was very basic. Just discussion on relevant experience.
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Q2. Splunk and Storage
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