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Zenon SDE Interview Questions and Answers
Zenon SDE Interview Experiences
1 interview found
Anonymous
I applied via Job Portal and was interviewed in Nov 2024. There were 2 interview rounds.
Questions were based on DSA , Databases and SQL
Library System Problem
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Selected
I applied via Campus Placement and was interviewed before Jun 2023. There were 3 interview rounds.
60 minutes of coding round with medium level of question asked
Coding and Aptitude MCQ questions
(2 Questions)
- Q1. How i can design a login system for client?
- Ans.
Designing a login system for clients involves creating secure authentication methods and user management.
Implement secure password hashing algorithms like bcrypt to store passwords securely.
Use HTTPS to encrypt data transmission between client and server.
Implement multi-factor authentication for added security.
Utilize session management to keep track of user login status.
Consider implementing account lockout mechanisms
- Q2. What is foreign key and how you can you can use foreign key in your DBMS system?
- Ans.
Foreign key is a key used to link two tables in a database, enforcing referential integrity.
Foreign key is a column or a set of columns in one table that references the primary key in another table.
It ensures that the values in the foreign key column(s) match the values in the primary key column of the referenced table.
Foreign key constraints help maintain data integrity by preventing actions that would destroy links b...
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed before Aug 2023. There were 4 interview rounds.
Basic Aptitude test, it was easy
Questions on array medium level
(1 Question)
- Q1. Array questions
(2 Questions)
- Q1. Tell me about yourself
- Ans.
I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.
5 years of experience in software development
Proficient in Java, Spring, and Angular
Strong problem-solving skills
Team player with excellent communication skills
- Q2. Where do you see yourself
- Ans.
I see myself continuing to grow and develop my skills in a challenging and rewarding role.
Continuing to learn new technologies and stay updated with industry trends
Taking on more responsibilities and leadership roles
Contributing to the success and growth of the company
Striving for personal and professional growth
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. Introduction And Overview of Company
- Ans. First introduced yourself with a little smile and before any interview go through the JD of the company, this will help you more. And one more thing that search about the interviewers who is going to take your interview.
Dany Soul
(1 Question)
- Q1. 3 EMERGING TECHNOLOGIES
I applied via LinkedIn and was interviewed in May 2024. There were 3 interview rounds.
Lit bit tougher as a beginner for quants like aptitude, verbal, and reasoning.
They given 40 min for coding and , topics are below linked list , stacks
They given 30 min for coding in topics of linked list , stacks
Interview Preparation Tips
(1 Question)
- Q1. Reverse a linked list
- Ans.
Reverse a linked list by changing the next pointers of each node to point to the previous node.
Start with three pointers: current, prev, and next.
Iterate through the linked list, updating the next pointer of each node to point to the previous node.
Update prev to current and current to next in each iteration.
Skills evaluated in this interview
Viren Punjabi
I applied via Campus Placement and was interviewed in Mar 2024. There were 2 interview rounds.
Linked list and trees
(2 Questions)
- Q1. What is arraylist
- Ans.
ArrayList is a dynamic array in Java that can grow or shrink in size as needed.
ArrayList is a class in Java that implements the List interface.
It allows for dynamic resizing of the array, unlike regular arrays.
Elements can be added, removed, or accessed by index.
Example: ArrayList
names = new ArrayList ();
- Q2. What is oops conecepts
- Ans.
Object-oriented programming concepts focus on creating objects that interact with each other to accomplish tasks.
Encapsulation: Bundling data and methods that operate on the data into a single unit (object)
Inheritance: Allowing a class to inherit properties and behavior from another class
Polymorphism: Objects of different classes can be treated as objects of a common superclass
Abstraction: Hiding complex implementation
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed in Jul 2024. There were 4 interview rounds.
Aptitude test is to easy
Coding test easy too good
(4 Questions)
- Q1. Nice aske for loop
- Q2. Array question nice
- Q3. Asked about hobbies
- Q4. Asked about where you see yourself in 5 years
(1 Question)
- Q1. Asked about background
Piyush Bhati
I applied via LinkedIn and was interviewed in Feb 2024. There was 1 interview round.
(2 Questions)
- Q1. Tell me about your self
- Ans.
I am a software engineer with 5 years of experience in developing web applications using Java, Spring Boot, and Angular.
5 years of experience in software development
Proficient in Java, Spring Boot, and Angular
Strong problem-solving skills
Experience working in Agile development environment
- Q2. What is annotation in spring boot
- Ans.
Annotations in Spring Boot are used to provide metadata about the application's components, helping Spring to understand how to manage them.
Annotations are used to configure Spring Boot components such as controllers, services, repositories, etc.
Annotations help Spring Boot to automatically detect and configure beans based on the annotations used.
Examples of annotations in Spring Boot include @RestController, @Service,
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