Calix Staff Software Engineer Interview Questions and Answers

It was good 20 mcqs 3 coding questions

Q1. Dsa and core subjects like cn os
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Q2. Dsa questions and core subjects
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Q1. Basic family discussion and salary details
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Q1. Golang questions
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Q2. Dsa questions like binary search and remove duplicate inplace
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Q1. Current company project and tech stack related
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Q2. Very basic selenium and java interview questions asked verbally
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Q3. 30 min interview
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Q1. Write code in java for following input String s = "abdc112kg45ldy4p9" to get output sum = 170.
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Q2. Some basic selenium, testng, cucumber bdd questions
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Q3. Its a 40 min coding round
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Q1. Java code in order to find the day if we give jan 1 as monday. then what day is sept 14.
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Q2. Selenium Xpath related questions to find it in website of flipkart sellers page.
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Q3. Show nullpointer error using java code.
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Q4. Selenium, TestNG, Cucumber Questions
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Q5. 45 min high level technical round
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Q1. General discussion related to current company tecstack and work.
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Q2. General Managerial Round/HR Round questions related to cultural or behavioral fit.
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Q3. 30 min short discussion
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Q1. Sql related questions were asked
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Q2. Manual testing questions were asked
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Q3. Joins questions
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Q4. Where clause questions
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Q5. Manual testing questions
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Basic OOP questions for python programming language

Q1. What's abstraction
Ans. 
Abstraction is the concept of hiding complex implementation details and showing only the necessary information to the user.
• Abstraction allows users to focus on what an object does instead of how it does it

• It helps in reducing complexity and improving efficiency in software development

• Example: In object-oriented programming, abstract classes and interfaces are used to achieve abstraction
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Q2. What's the difference between SQL and NoSQL database
Ans. 
SQL databases are relational databases with structured data, while NoSQL databases are non-relational databases with flexible, unstructured data.
• SQL databases use structured query language for defining and manipulating data, while NoSQL databases use different query languages or APIs.

• SQL databases are table-based, with a predefined schema, while NoSQL databases are document, key-value, wide-column, or graph-based.

• SQL d...read more
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Q1. Reverse a linked list
Ans. 
Reverse a linked list by changing the direction of pointers
• Start with three pointers: current, prev, and next

• Iterate through the linked list, updating pointers to reverse the direction

• Update the head of the linked list to the last node after reversing
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Q2. Implement binary search algorithm
Ans. 
Binary search algorithm efficiently finds the target value in a sorted array.
• Start by defining the low and high indices of the array.

• Calculate the mid index and compare the target value with the value at mid.

• If target is less than mid value, update high to mid-1; if greater, update low to mid+1.

• Repeat until target is found or low is greater than high.
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Q1. Brief Introduction and basic questions
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Q2. Future plans and how am i going to achieve them
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Q1. Sorting of an array
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Q2. Bubble sorting algorithm
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Q1. Java oops question
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Q1. API questions related to put and patch api
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Q1. Verilog coding of various flip flops and fsm
Ans. 
Verilog coding of flip flops and FSM involves designing sequential circuits using Verilog HDL.
• Understand the functionality of different flip flops like D flip flop, JK flip flop, etc.

• Implement flip flops using Verilog syntax, specifying input and output ports.

• Design Finite State Machines (FSM) using Verilog, defining states, transitions, and outputs.

• Use Verilog constructs like always blocks, case statements, and state
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Q2. Basic electronics questions
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Q1. Why do you want to join Siemens?
Ans. 
I want to join Siemens because of its reputation for innovation and commitment to sustainability.
• Siemens is a global leader in technology and innovation

• I am impressed by Siemens' focus on sustainability and corporate social responsibility

• I believe working at Siemens will provide me with opportunities for professional growth and development
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Create an API using Notepad to check if a string is a palindrome or not.

Q1. Solid principal
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