Toppeq Interview Questions and Answers

Q1. Diff between react and jQuery
Ans. 
React is a modern JavaScript library for building user interfaces, while jQuery is a fast and concise JavaScript library for DOM manipulation.
• React is component-based, promoting reusability and modularity.

• React uses a virtual DOM for efficient updates, while jQuery directly manipulates the DOM.

• React is declarative, making it easier to reason about the UI, while jQuery is imperative.

• React is typically used for single-pa...read more
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Q1. Ask the previous work experience
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Q2. How many languages you know
Ans. 
I am fluent in three languages: English, Spanish, and French.
• Fluent in English, Spanish, and French

• Can communicate effectively in all three languages

• Have experience working in multilingual environments
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1 Hours, Computer Science, Bluestock.in

Q1. Tell me about yourself
Ans. 
I am a software engineer with a passion for problem-solving and creating innovative solutions.
• Experienced in programming languages such as Java, Python, and C++

• Strong background in data structures and algorithms

• Worked on projects involving web development and mobile app development

• Excellent communication and teamwork skills from collaborating with cross-functional teams
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Q2. Tell me about your family
Ans. 
I come from a close-knit family of four - my parents, my younger sister, and myself.
• My parents have always been supportive of my career choices and have encouraged me to pursue my passion for software development.

• My younger sister is currently studying computer science and we often collaborate on coding projects together.

• Family gatherings are important to us and we enjoy spending quality time together, whether it's cel
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Three fundamental questions related to Data Structures and Algorithms.

Technical Aptitude on singalton pattern

Q1. What is man in middle attack?
Ans. 
A man-in-the-middle attack is a cyber security attack where the attacker secretly intercepts and possibly alters the communication between two parties.
• Attacker intercepts communication between two parties

• Attacker may alter the communication

• Commonly occurs in public Wi-Fi networks

• Can lead to data theft or unauthorized access
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Q2. How to protect api?
Ans. 
Protecting API involves using authentication, authorization, encryption, rate limiting, and monitoring.
• Implement authentication mechanisms such as OAuth, JWT, or API keys

• Use authorization to control access to different parts of the API

• Encrypt sensitive data using SSL/TLS

• Implement rate limiting to prevent abuse and protect against DDoS attacks

• Monitor API traffic for unusual activity and potential security threats
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Q3. Whats is csrf ?
Ans. 
CSRF stands for Cross-Site Request Forgery, a type of attack where a malicious website tricks a user into performing actions on another website without their knowledge.
• CSRF attacks exploit the trust that a site has in a user's browser, by sending unauthorized requests using the user's session.

• Prevent CSRF attacks by using tokens in forms, checking the origin of requests, and implementing proper authentication and autho...read more
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Q1. Why you want ti join airpay?
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Q2. Why you leave current organisation?
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Aptitude test of 4 level

Q1. Tell me about yourself
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Q2. What do you about policyx.com or insurance
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Q1. What do you know about insurance
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Q2. If experience than previous work profile
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Q1. What is your method of working
Ans. 
My method of working is organized, efficient, and detail-oriented.
• I prioritize tasks based on deadlines and importance

• I create detailed to-do lists and schedules to stay on track

• I regularly communicate with team members to ensure everyone is on the same page
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Q2. What payment are you demanding?
Ans. 
The payment being demanded depends on the outstanding balance and payment terms.
• The payment being demanded should be based on the outstanding balance owed by the debtor.

• Consider the payment terms agreed upon by both parties when determining the payment to be demanded.

• It is important to communicate clearly and professionally with the debtor regarding the payment being demanded.

• Provide options for payment plans or negoti...read more
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Hackerearth Coding Test

Q1. Technical Round with Senior Software Engineer around Java, DSA and APIs
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Q2. 1. Check Valid Parenthesis, 2. Given a problem design your own API and suitable URL for it Discussions about implementation and designing of the above two questions
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Q1. One-on-one round with Project manager
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Q2. Architecture and System design round, but interviewer given me Java Coding , some basic question and asked some questions on SQL then in the middle of the interview he told that we are not going forward wi...read more
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Q1. 2Sum DSA leetcode problem
Ans. 
2Sum problem involves finding two numbers in an array that add up to a specific target.
• Use a hashmap to store the difference between the target 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.
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Q2. Spiral traversal of a Binary tree
Ans. 
Spiral traversal of a Binary tree involves visiting nodes level by level alternating between left to right and right to left.
• Start by pushing the root node into a queue.

• While the queue is not empty, pop a node, print its value, and push its children into the queue.

• Alternate between popping nodes from the queue and printing their values in a spiral manner.
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Q1. A problem similar to coin change problem of leetcode
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Q2. Aggressive cows problem
Ans. 
The aggressive cows problem involves finding the maximum distance between cows in a field while ensuring they are not too close to each other.
• Use binary search to find the maximum distance between cows.

• Sort the cows' positions and check if a certain distance is feasible.

• Consider the constraints of the problem such as the number of cows and the size of the field.
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Q1. Basic behavioural questions like why I am looking for a change and would I be able to handle the increased work pressure as I was shifting from MNC to a startup
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