Emta Coal Interview Questions and Answers

Q1. Basic Javascript questions were asked like Hoisting, Event Loop, Closure.
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Q2. What are semantic tags? << HTML based question
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Q3. What is currying in js?
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Q4. What is the difference between Map and Filter?
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Q5. What is the difference between Map and ForEach?
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Q6. What is the difference between Authentication and Authorization?
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Q7. What is the difference between Local storage and Session storage?
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Q1. This was the Final round, it lasted for around 30 mins and the interviewer gave me a coding question to build a Countdown Timer app.
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Q1. What is the Look and Say sequence, and how can a program be written to generate the next number in this sequence?
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Q2. What is the SQL query to perform a join on two tables and calculate the aggregate sum using the product ID?
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Q3. What is the process for writing a Bash script to read and parse a CSV file and print the last character of each line?
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Platform: Coderbyte Test. The process is similar to the technical round, except that in the last bash script question, instead of printing the last character, print the third last character of each line.

Q1. Can you tell me about yourself?
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Q2. What are the principles of Continuous Integration and Continuous Deployment (CI/CD)?
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Q3. What version control tools do you use, and can you explain how you utilize them?
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Q4. What is the SQL query to join two tables and use aggregate functions such as SUM and AVG with GROUP BY?
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Q5. What is the Bash command to suppress all output and errors?
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Q1. Can you tell me about yourself and your family?
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Q2. Are you comfortable with the possibility of relocating for the position?
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Q3. Would it be acceptable to work shift timings from 6:30 AM to 3:30 PM considering that the client is based in New Zealand?
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Q1. Give a brief about the work which I did on day to day basis in the previous organisation as a Business Analyst.
Ans. 
As a Business Analyst, I was responsible for gathering and analyzing business requirements, creating functional specifications, conducting stakeholder meetings, and facilitating communication between business and IT teams.
• Gathered and documented business requirements from stakeholders

• Analyzed data to identify trends and make recommendations for process improvements

• Created functional specifications for new software deve...read more
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Q2. Have you worked in Waterfall model / Scrum model?
Ans. 
Yes, I have experience working in both Waterfall and Scrum models.
• I have experience working in Waterfall model, where requirements are gathered upfront and the project progresses in a linear fashion.

• I have also worked in Scrum model, where the project is divided into sprints and iterative development is done.

• In Waterfall model, I have worked on projects with well-defined scope and fixed timelines.

• In Scrum model, I have...read more
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Q3. What was the team size which I handled as a Business Analyst?
Ans. 
I have experience handling teams ranging from 5 to 15 members as a Business Analyst.
• Managed a team of 8 analysts in a previous project

• Collaborated with a team of 12 developers and testers in another project

• Led a team of 5 business analysts in a recent initiative
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Q4. And the background about the project and my roles and responsibilities working with the offshore / onshore teams
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Q1. Was there any interaction with the onshore folks ? If yes then what was my role?
Ans. 
Yes, I had regular interactions with the onshore team to gather requirements and provide updates on project progress.
• Regularly communicated with onshore team to gather requirements

• Provided updates on project progress to onshore stakeholders

• Collaborated with onshore team to ensure alignment on project goals
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Q2. Who was the PO in your team ? How Business Analyst and the PO coordinate?
Ans. 
The Product Owner (PO) in my team was responsible for defining and prioritizing the product backlog. Business Analyst and PO coordinate through regular meetings, communication, and collaboration.
• The PO defines and prioritizes the product backlog based on business value and stakeholder needs.

• The Business Analyst works closely with the PO to understand requirements, gather feedback, and ensure alignment with business goa...read more
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Q1. How was the requirements being gathered? Who used to gather the requirements ? Is the PO or the Business Analyst in your team?
Ans. 
Requirements were gathered through collaboration between the Product Owner and Business Analyst in the team.
• Requirements were gathered through stakeholder interviews, workshops, and document analysis.

• The Product Owner and Business Analyst worked closely together to ensure all requirements were captured accurately.

• The Business Analyst facilitated the requirements gathering process and documented the findings for review ...read more
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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
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Q1. What is your current work experience, and can you provide a case study on how to improve monetization for Netflix?
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Q1. Case Study - Favourite product
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Q1. What do you know about sales?
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Q2. What is your hobbies, experience and education qualification.
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Q1. How much experience do you have?
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Q2. Why did you leave your job?
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Q3. Why did you leave that job?
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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
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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
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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
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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
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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
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