Matrix Security Surveillance 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
Ans. 
Semantic tags in HTML are specific tags that provide meaning to the content they enclose.
• Semantic tags help search engines and screen readers understand the structure of a webpage.

• Examples of semantic tags include <header>, <footer>, <nav>, <article>, <section>, <aside>, <main>, <figure>, <figcaption>.

• Using semantic tags improves SEO and accessibility of a website.
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Q3. What is currying in js?
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Currying is a technique in functional programming where a function with multiple arguments is transformed into a sequence of nested functions, each taking a single argument.
• Currying helps in creating reusable functions and partial application.

• It allows you to create new functions by fixing some parameters of an existing function.

• Example: const add = (a) => (b) => a + b; add(2)(3) will return 5.
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Q4. What is the difference between Map and Filter?
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Map is used to transform each element of an array, while Filter is used to select elements based on a condition.
• Map returns a new array with the same length as the original array, but with each element transformed based on a provided function.

• Filter returns a new array with only the elements that pass a provided condition function.

• Example for Map: [1, 2, 3].map(num => num * 2) will result in [2, 4, 6].

• Example for Fi...read more
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Q5. What is the difference between Map and ForEach?
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Map creates a new array with the results of calling a provided function on every element, while forEach executes a provided function once for each array element.
• Map returns a new array with the same length as the original array, while forEach does not return anything.

• Map does not mutate the original array, while forEach can mutate the original array.

• Map is more suitable for transforming data and creating a new array, w...read more
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Q6. What is the difference between Authentication and Authorization?
Ans. 
Authentication verifies the identity of a user, while authorization determines the user's access rights.
• Authentication confirms the user's identity through credentials like username and password.

• Authorization determines what actions the authenticated user is allowed to perform.

• Authentication precedes authorization in the security process.

• Example: Logging into a website (authentication) and then accessing specific pages
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Q7. What is the difference between Local storage and Session storage?
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Local storage persists even after the browser is closed, while session storage is cleared when the browser is closed.
• Local storage has no expiration date, while session storage expires when the browser is closed.

• Local storage stores data with no limit, while session storage has a limit of around 5MB.

• Local storage data is available across all windows/tabs for that domain, while session storage data is only available wit...read more
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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. Good communication with our team and my colleagues
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Q2. Need improve my skills and strictly fallow up our EHS values
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Q3. Target is more important in your life, keep doing work unless get your unreachable targets.
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Q4. Good behaviour build your team and save ethics.
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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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Q1. Tell me about yourself and workex, One campaign you are proud of and what you did, The interview lasted for 30 mins.
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Q2. Why are you leaving your current company and details on that.
Ans. 
Seeking new challenges and opportunities for growth.
• Desire for new challenges and opportunities for growth

• Looking for a company with better work-life balance

• Seeking a role with more responsibility and leadership opportunities
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Q1. Tell me about yourself, 2 digital campaigns that you did and what you learn from them, Logical question on bulb : 3 bulbs are in a room and it's switches are outside the room, and you can only enter the ro...read more
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Q2. How many times does whatsapp application gets open in your household?
Ans. 
WhatsApp is opened multiple times daily in my household for communication and sharing updates.
• WhatsApp is opened multiple times daily for communication with family and friends

• Used for sharing updates, photos, and videos

• Helps in coordinating plans and staying connected with loved ones
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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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