Matrix Security Surveillance Interview Questions and Answers

10 Macq's and 1 problem solving question.

Q1. Self Introduction
Add your answer
Q2. Last project details
Add your answer
Q3. Print all duplicate elements in an Array
Add your answer
Q4. Java Exception Handling and Spring exception handling.
Add your answer
Q5. Spring IOC and types.
Add your answer
Q6. Circuit Breaker and its states
Add your answer
Q7. Design Pattern
Add your answer
Q8. Get the third highest salary from employee table
Add your answer
Q9. Valid parentheses from leetCode
Add your answer

Q1. Self intro, Project based questions.
Add your answer
Q2. Optional Class, Stream.map() vs Stream.flatMap()
Add your answer
Q3. Lambda, reduce()
Add your answer
Q4. Sync Api vs Async Api, Sync Microservice and Async microservice example
Add your answer
Q5. Write a REST api to fetch user details using userId.
Add your answer
Q6. SOLID Principle and best coding practices
Add your answer
Q7. Write a global exception handler class to handle UserNotFound exception.
Add your answer
Q8. Advantages of IOC in spring and DI
Add your answer

Q1. Self Intro and salary negotiation.
Add your answer

A Housekeeping Attitude Test evaluates an individual's qualities, skills, and mindset essential for housekeeping roles. It focuses on:

1. Cleanliness Awareness – Understanding hygiene and maintaining standards.


2. Behavior and Attitude – Being polite and professional with guests.


3. Time Management – Completing tasks efficiently.


4. Teamwork – Collaborating well with colleagues.


5. Problem-Solving – Handling issues calmly under pressure.


6. Client Satisfaction – Meeting guests' needs effectively.

A housekeeping case study is a practical scenario used to assess problem-solving, decision-making, and operational skills in housekeeping.

Example:

A guest complains about dirty linens and odors in a fully booked hotel. The test evaluates how you:

1. Resolve the guest's issue immediately.


2. Maintain cleanliness standards.


3. Manage staff workload effectively.


4. Prevent future issues

Q1. The HR duties for housekeeping include managing and supporting housekeeping staff to ensure efficient operations and a clean, hygienic environment. Key responsibilities are: 1. Recruitment and Staffing H...read more
Add your answer

Q1. What do you know about sales?
Add your answer
Q2. What is your hobbies, experience and education qualification.
Add your answer

Q1. How much experience do you have?
Add your answer
Q2. Why did you leave your job?
Add your answer
Q3. Why did you leave that job?
Add your answer

Q1. What's the CI/CD workflow that's followed in your team?
Ans. 
Our team follows a CI/CD workflow that includes automated testing, code reviews, and continuous integration.
• Automated testing is run on every code change to catch bugs early.

• Code reviews are conducted before merging changes to ensure code quality.

• Continuous integration is used to automatically build and test code changes in a shared repository.

• Deployment pipelines are set up to automate the release process.

• Version cont...read more
Answered by AI
Add your answer
Q2. Has there been any security incident and how have you handled those ?
Ans. 
Yes, there have been security incidents and I have handled them effectively.
• Implemented security protocols to prevent future incidents

• Conducted thorough investigation to identify the root cause

• Collaborated with IT team to strengthen security measures

• Communicated with stakeholders to ensure transparency and trust

• Provided training to employees on cybersecurity best practices
Answered by AI
Add your answer
Q3. Difference between authorization and authentication ?
Ans. 
Authentication verifies the identity of a user, while authorization determines what actions a user is allowed to perform.
• Authentication confirms the identity of a user through credentials like passwords or biometrics.

• Authorization determines the level of access or permissions a user has once their identity is confirmed.

• Authentication is the process of logging in, while authorization is the process of granting or denyin...read more
Answered by AI
Add your answer
Q4. LLD for an authentication and authorization system
Ans. 
LLD for an authentication and authorization system
• Separate modules for authentication and authorization

• Use of secure hashing algorithms for storing passwords

• Role-based access control implementation

• Audit logging for tracking user actions

• Integration with external identity providers
Answered by AI
Add your answer

Q1. Design a document managed storage like google drive as an E2E solution.
Ans. 
Design a document managed storage like Google Drive as an E2E solution.
• Implement user authentication and authorization for secure access.

• Create a user-friendly interface for uploading, organizing, and sharing documents.

• Include features like version control, file syncing, and search functionality.

• Utilize cloud storage for scalability and accessibility.

• Implement encryption for data security.

• Integrate with third-party app
Answered by AI
Add your answer

Q1. HTML, CSS fundamentals
Add your answer
Q2. Javascript event loop and array methods
Add your answer
Q3. Javascript coding for operation on object array
Add your answer
Q4. React benefits and Redux implementations
Add your answer
Q5. How to create slice and combine reducers
Add your answer

Q1. Questions based on projects, role, responsibilities and initiative at work place
Add your answer
Q2. How to create and optimize a react application
Add your answer

Q1. Day to day activity of workplace and salary negotiation
Add your answer

Q1. Self introduction
Ans. 
My self ruksar born and bought up in Bangalore
Answered Anonymously
Add your answer
Q2. Self introduction
Ans. 
Myself Rukhsar born and water in Bangalore
Answered Anonymously
Add your answer
Q3. Personal details
Ans. 
I have completed my degree
Answered Anonymously
Add your answer
Q4. Personal details
Ans. 
I have completed my PU
Answered Anonymously
Add your answer

Q1. Education family background
Ans. 
My mother name Sajida she house wife' My father name sarvar his atou driver and I hv Inder brother
Answered Anonymously
Add your answer
Q2. Education family background
Ans. 
My father name sir sarvar pasha he is auto driver my mother name Sajida she is housewife I have one brother
Answered Anonymously
Add your answer
Q3. Personal information
Add your answer

Q1. Story reading and writing
Add your answer
Q2. Graping information
Add your answer

Q1. Code Speed type
Ans. 
Code Speed type question
• Understand the requirements of the code speed type

• Analyze the code and identify any errors or inefficiencies

• Optimize the code for faster execution

• Test the code to ensure it meets the speed requirements
Answered by AI
Add your answer
Q2. Having good attitude
Add your answer

Q1. What is polymorphism,generator,decorator? List vs tuple?
Ans. 
Polymorphism allows objects of different classes to be treated as objects of a common superclass. Generators produce items one at a time. Decorators add functionality to existing functions or methods.
• Polymorphism: Enables objects of different classes to be treated as objects of a common superclass. Example: Animal superclass with Dog and Cat subclasses.

• Generator: Produces items one at a time, allowing for efficient mem...read more
Answered by AI
Add your answer
Q2. TFIDF, BOW What is embedding why important how to craete embeddings?
Ans. 
Embeddings are a way to represent words or phrases as vectors in a high-dimensional space, capturing semantic relationships.
• Embeddings are important for tasks like natural language processing, where words need to be represented in a meaningful way.

• They can be created using techniques like Word2Vec, GloVe, or using neural networks like Word Embeddings.

• Embeddings help in capturing semantic relationships between words, al...read more
Answered by AI
Add your answer
Q3. What is Encoder decoder explain with example?
Ans. 
Encoder-decoder is a neural network architecture used for tasks like machine translation.
• Encoder processes input data and generates a fixed-length representation

• Decoder uses the representation to generate output sequence

• Example: Seq2Seq model for translating English to French
Answered by AI
Add your answer
Q4. What is stop word? We need to remove in every application or not tell me example when stop words are importan?
Add your answer