Cornerstone OnDemand Software Engineer Interview Questions and Answers

MCQ questions on Linux Networking and SQL

Q1. Questions about Linux Sql and Networking
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Q2. Questions about the project
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Q1. Two sum of an array
Ans. 
Find two numbers in an array that add up to a specific target value.
• Use a hashmap to store the difference between the target value and each element in the array.

• Iterate through the array and check if the current element's complement exists in the hashmap.

• Return the indices of the two numbers that add up to the target value.
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Q2. Stack balance parenthesis
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Q1. Is circular loop is there in a linkedList
Ans. 
No, a circular loop is not present in a linked list.
• A linked list does not have a circular loop by default.

• If a linked list has a circular loop, it is considered a circular linked list.

• Circular linked lists can be detected using Floyd's Cycle Detection Algorithm.
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Q2. How to identify the duplicates in circular linkedList
Ans. 
To identify duplicates in a circular linked list, use a hash set to keep track of visited nodes.
• Traverse the circular linked list while adding each node to a hash set.

• If a node is already in the hash set, it is a duplicate.

• Consider edge cases such as an empty list or a list with only one node.
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Q1. Be prepared with your strength and weakness and just be yourself.
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1 hr test, simple aptitude questions

Simple coding questions

Q1. Reverse the string
Ans. 
Reverse a given string
• Iterate through the string from end to start and append each character to a new string

• Use built-in functions like reverse() in Python or StringBuilder.reverse() in Java

• Convert the string to an array, reverse the array, and convert it back to a string
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Q2. Basic Networking questions
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Q3. Questions on working of jvm
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2 questions Based on arrays level of medium

Q1. 2 questions based on array and linked list
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Q1. Question based on metrix
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Q1. Behavioural questions
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Machine learning advantages and disadvantage
hello world hello OWRLD2

Q1. What is u r name
Ans. 
My name is John Doe.
• Full name is John Doe

• Common first and last name combination

• No middle name provided
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Q2. What is salary expectation?
Ans. 
I am looking for a competitive salary based on my skills, experience, and the industry standard.
• Research the average salary for Associate Software Engineers in the industry

• Consider your level of experience and skills when determining your salary expectation

• Be prepared to negotiate based on the company's offer and benefits package
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Q1. Hashmap implementation
Ans. 
Hashmap is a data structure that stores key-value pairs and provides constant time complexity for insertion, deletion, and retrieval.
• Hashmap uses hashing function to map keys to indices in an array

• Collisions can occur when two keys map to the same index, which can be resolved using separate chaining or open addressing

• Java implementation: HashMap map = new HashMap<>()
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Q2. Server and environment
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Q3. Differentce Between een Spring boot,spring
Ans. 
Spring is a framework while Spring Boot is a tool that simplifies Spring application development.
• Spring Boot provides auto-configuration and embedded servers.

• Spring requires more configuration and setup.

• Spring Boot is opinionated and follows 'convention over configuration'.

• Spring Boot reduces boilerplate code.

• Spring Boot is ideal for microservices and standalone applications.
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Q4. Type of conttoler in spring and type of annotations
Ans. 
The type of controller in Spring is @Controller and the type of annotations are @RequestMapping and @ResponseBody.
• @Controller is used to mark a class as a Spring MVC controller.

• @RequestMapping is used to map a URL to a method in a controller.

• @ResponseBody is used to indicate that the return value of a method should be serialized and returned as the response body.
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Q5. What is junkins why we use
Ans. 
Junkins is not a known term in software engineering.
• Junkins is not a term used in software engineering.

• It is possible that the interviewer misspoke or meant to ask a different question.

• It is important to clarify any confusion or misunderstandings during an interview.
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