AVASOFT Servicenow Developer Interview Questions and Answers

Q1. Basics of oops, .net framework and .net core
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Q2. Sql query for student department id
Ans. 
SQL query to retrieve student department id.
• Use SELECT statement to retrieve data

• Specify the columns to be selected, including the department id column

• Specify the table where the student data is stored

• Use WHERE clause to filter the results based on student information
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Q3. Solid principles and design patterns
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Q1. Asked to code palindrome
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Q2. Code duplicate string from main string and get index of sub string
Ans. 
Code to find index of sub string in main string and duplicate the sub string
• Use a loop to iterate through the main string and check for the sub string

• If sub string is found, duplicate it and store the index

• Return the index of the duplicated sub string
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Q1. Manager asked me to code the count index of substring and sum of substring
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Q2. Questions as HR informed, it was worst and all interviews were scheduled at night time.he was more technical than the second round team lead instead of asking manager round
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In first round 4 coding question like 1 dsa 2 database and one is api and question is very simple . coding round was conducted in hackerrank

Q1. DSA QUESTION LIKE TREE AND GRAPH
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Q2. DP AND SORTING APPROACH
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Again same but dsa question and oops concept in deep level

Hacker rank mcq medium to hard level 1 hr duration

Q1. Oops , diff composition and inheritance
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Q2. Design pattern explain singleton , abstract factory
Ans. 
Singleton ensures a class has only one instance, while Abstract Factory provides an interface for creating families of related objects.
• Singleton pattern restricts the instantiation of a class to one object, ensuring there is only one instance of the class.

• Abstract Factory pattern provides an interface to create families of related or dependent objects without specifying their concrete classes.

• Singleton pattern can be i...read more
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Q3. Implement linked list , all combination string in python
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Implement linked list and generate all combination strings in Python.
• Create a Node class to represent each element in the linked list.

• Implement methods to add nodes, delete nodes, and generate all combinations of strings.

• Use recursion to generate all combinations of strings.
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Q1. Introduction about my skills and projects
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Q2. Situation based question on my projects , talk about security and performance in my projects
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Q1. Introduction about me and my family members
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Q2. Relocation comfortable , about my friends who are placed , why many people from my college
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Q1. About project of previous company
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Q2. Check palindrome and odd of given number
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Q1. Diff var let const
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diff var let const
• var is function-scoped, let and const are block-scoped

• var can be redeclared and reassigned, let can be reassigned but not redeclared, const cannot be reassigned or redeclared

• const must be initialized during declaration, let and var can be declared without initialization
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Q1. Related to node js architecture
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Q1. Expectation and all
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Q1. They asked so many questions from it went well
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Q2. How was your experience
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