CMS IT Services Junior Software Developer Interview Questions and Answers

It was easy- moderate in difficulty level.

Q1. The questions were purely based on python and SQL
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Q2. SQL- What are window functions and were asked to write some basic fetching queries
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Was asked 30 mcq technical questions and one dsa question which as basic string based.

Q1. Remove a loop in linked list
Ans. 
To remove a loop in a linked list, we can use Floyd's Cycle Detection Algorithm.
• Use Floyd's Cycle Detection Algorithm to find the loop in the linked list.

• Once the loop is detected, find the starting point of the loop using Floyd's algorithm.

• Break the loop by setting the next pointer of the node before the starting point of the loop to null.
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Q2. Implement stack using queues
Ans. 
Implement a stack using two queues
• Use two queues to simulate stack operations

• Push operation: Enqueue the element to queue 1

• Pop operation: Dequeue all elements from queue 1 to queue 2, dequeue the last element from queue 1, then swap the queues

• Top operation: Return the front element of queue 1

• Empty operation: Check if both queues are empty
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First step is aptitude test . This questions are easy.

In that aptitude test another section is coding question(2 questions)

Q1. They generally ask basic questions like- what is stack? some queries in SQL
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Q2. How to create login form in html?

Ans. 

To create a login form in HTML, use the

element with input fields for username and password.

• Use the element to create the form.

• Add elements for username and password fields.

• Set the 'type' attribute of the input fields to 'text' or 'password'.

• Include a submit button using the element with 'type' set to 'submit'.

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