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Perfisys Interview Questions, Process, and Tips
Top Perfisys Interview Questions and Answers
- Q1. Explain the usage of Fragments in Android and when you might prefer using them over Activities.asked in Android Developer interview
- Q2. What is the difference between Serializable and Parcelable?asked in Android Developer interview
- Q3. Describe the differences between AsyncTask and RxJava for handling background tasks in Android.asked in Android Developer interview
Perfisys Interview Experiences
2 interviews found
Selected
I applied via Company Website and was interviewed in Dec 2023. There were 2 interview rounds.
First round is aptitude test which consists of time and work, number series, blood relation etc..
(5 Questions)
- Q1. You have to be prepared with the Android dev questions like Android architecture, MVVM, Android activity lifecycle, retrofit, firebase.
- Q2. Explain the Activity lifecycle in Android.
- Ans.
The Activity lifecycle in Android refers to the sequence of events that occur during the lifespan of an Activity.
An Activity goes through several states, including onCreate, onStart, onResume, onPause, onStop, and onDestroy.
Each state has its own purpose and is triggered by specific events, such as the user opening or closing the app.
Understanding the Activity lifecycle is crucial for managing resources, saving and res...
- Q3. What is the difference between Serializable and Parcelable?
- Ans.
Serializable is a marker interface that allows objects to be converted into a byte stream, while Parcelable is an Android-specific interface for efficient object serialization.
Serializable is a standard Java interface, while Parcelable is an Android-specific interface.
Serializable uses reflection to serialize and deserialize objects, which can be slower and less efficient.
Parcelable requires explicit implementation of ...
- Q4. Describe the differences between AsyncTask and RxJava for handling background tasks in Android.
- Ans.
AsyncTask is a built-in class for handling background tasks in Android, while RxJava is a library that provides a more flexible and powerful approach.
AsyncTask is a class provided by the Android framework, while RxJava is a third-party library.
AsyncTask is based on the traditional thread and callback model, while RxJava uses the concept of Observables and allows for more complex asynchronous operations.
RxJava provides ...
- Q5. Explain the usage of Fragments in Android and when you might prefer using them over Activities.
- Ans.
Fragments are reusable UI components in Android that can be used within activities. They are preferred over activities in certain scenarios.
Fragments allow for modular and reusable UI components.
They can be used to create multi-pane layouts for tablets and larger screens.
Fragments can be added or removed dynamically at runtime.
They can retain their state during configuration changes.
Fragments can communicate with each ...
Interview Preparation Tips
- Firebase
- MVVM
- Java
- Android Studio
- Android
Skills evaluated in this interview
Android Developer Interview Questions asked at other Companies
Selected
I applied via Indeed and was interviewed in Jun 2023. There were 3 interview rounds.
Based on Mern for me
(1 Question)
- Q1. HOW YOU WILL SOLVE FOR BETTER OPTIMIZATION FOR A WEBSITE
- Ans.
To optimize a website, I would focus on improving page load speed, optimizing images and code, implementing caching, and minimizing HTTP requests.
Optimize images by compressing them and using the appropriate file format (e.g., JPEG for photos, PNG for graphics)
Minimize HTTP requests by combining CSS and JavaScript files, and using CSS sprites for multiple images
Implement caching to store static resources on the user's ...
Skills evaluated in this interview
Web Developer Intern Interview Questions asked at other Companies
Top trending discussions
Interview questions from similar companies
Software Technologies Interview Questions & Answers
Signzy Technologies
Anonymous
posted on 3 Jan 2025
I applied via Referral and was interviewed in Dec 2024. There was 1 interview round.
(4 Questions)
- Q1. ACID Properties
- Ans.
ACID properties are a set of properties that guarantee reliable and consistent transactions in a database system.
Atomicity ensures that either all operations in a transaction are completed successfully or none at all.
Consistency ensures that the database remains in a valid state before and after the transaction.
Isolation ensures that the concurrent execution of transactions results in a system state that would be obtai...
- Q2. What are Idempotent HTTP Requests?
- Ans.
Idempotent HTTP requests are requests that can be repeated multiple times without changing the result beyond the initial request.
Idempotent requests have the same outcome no matter how many times they are executed.
GET, PUT, and DELETE HTTP methods are typically idempotent.
POST requests are not idempotent as they can create new resources with each execution.
- Q3. Questions regarding your project, and how did you learn from the projects and tasks assigned to you?
- Q4. System Design
Interview Preparation Tips
- System DEsign
- DSa
- Algo
- DBMS
- Operating System
Selected
I applied via campus placement at Government College of Engineering, Aurangabad and was interviewed in Oct 2024. There were 3 interview rounds.
Mostly questions on logical aptitude
(3 Questions)
- Q1. DSA questions. Reverse word of string, bubble sort, swap two variables without use of third variable
- Q2. OOPs concepts also some questions on project
- Q3. 1 puzzle (refer gfg)
(2 Questions)
- Q1. Why do you want to work at our company?
- Q2. What was the toughest challenge you have ever faced?
Selected
I applied via Approached by Company and was interviewed in Aug 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Let var const difference
- Ans.
var, let, and const are all used to declare variables in JavaScript, but they have different scopes and mutability.
var is function-scoped and can be redeclared and reassigned
let is block-scoped and can be reassigned but not redeclared
const is block-scoped and cannot be reassigned or redeclared
- Q2. Polyfills of bind method
- Ans.
Polyfills of bind method provide a way to use the bind method in older browsers that do not support it natively.
Polyfill code typically checks if the bind method is available and if not, it creates a new function that mimics the behavior of bind.
One common polyfill for the bind method is the following: Function.prototype.bind = Function.prototype.bind || function() { // polyfill code here };
Polyfills are often used to ...
(2 Questions)
- Q1. Make a search bar in React
- Ans.
Create a search bar component in React for filtering data
Create a functional component for the search bar
Use state to store the search query
Implement a onChange event handler to update the search query
Filter the data based on the search query
- Q2. React js core concepts
(2 Questions)
- Q1. How you structure your work
- Ans.
I structure my work by breaking down tasks, setting priorities, creating timelines, and regularly reviewing progress.
Break down tasks into smaller, manageable chunks
Set priorities based on deadlines and importance
Create timelines to track progress and ensure timely completion
Regularly review progress and adjust plans as needed
- Q2. How you make a project from scratch
- Ans.
To make a project from scratch, start by defining requirements, creating a plan, designing the architecture, implementing the code, testing, and deploying.
Define project requirements and goals
Create a project plan with timelines and milestones
Design the architecture of the project, including database schema and system components
Implement the code following best practices and coding standards
Test the project thoroughly ...
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Sep 2024. There were 2 interview rounds.
(1 Question)
- Q1. What was the challenges that you faced during a delivery of a project.
- Ans.
Managing stakeholder expectations, resource constraints, and scope changes.
Balancing stakeholder expectations with project constraints
Dealing with resource limitations and competing priorities
Managing scope changes and ensuring project stays on track
Communicating effectively with team members and stakeholders
Adapting to unexpected challenges and finding creative solutions
(1 Question)
- Q1. What do you seek or looking out from us ?
- Ans.
I seek a supportive and collaborative work environment where I can utilize my project management skills to drive successful outcomes.
Supportive team culture
Collaborative work environment
Opportunities for growth and development
Clear communication channels
Recognition for achievements
Interview Preparation Tips
I applied via Instahyre and was interviewed in Aug 2024. There were 2 interview rounds.
Small assignment to build simple App.
(2 Questions)
- Q1. JavaScript Questions
- Q2. Reactjs Questions
Interview Preparation Tips
- Javascript
- React.Js
Manager Sales & Marketing Interview Questions & Answers
LogiNext Solutions
Anonymous
posted on 27 Jul 2024
(1 Question)
- Q1. Explain the inter relation between a sales and marketing funnel
- Ans.
Sales and marketing funnels are interconnected processes that guide potential customers from awareness to purchase.
Sales funnel focuses on converting leads into customers through direct sales tactics.
Marketing funnel focuses on generating awareness and interest in a product or service.
Marketing activities feed into the top of the sales funnel by attracting potential customers.
Sales activities further qualify and nurtur...
Interview Preparation Tips
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
(3 Questions)
- Q1. Why do you want to join procol?
- Q2. What if you are not selected here?
- Q3. Do you want to become an entrepreneur?
Interview Preparation Tips
I applied via Unstop and was interviewed in Jul 2024. There were 3 interview rounds.
Assessment (Quiz) on Unstop portal.
(1 Question)
- Q1. Resume shortlisting.
(7 Questions)
- Q1. Introduce youself.
- Ans.
I am a motivated and detail-oriented individual with a strong passion for operations and process improvement.
I have a background in business administration and have completed relevant coursework in operations management.
I have experience working on cross-functional teams to streamline processes and improve efficiency.
I am proficient in data analysis and have used tools such as Excel and Tableau to identify areas for im...
- Q2. Previous work experience/ internship.
- Ans.
I have completed a marketing internship at XYZ Company where I assisted with social media campaigns and data analysis.
Assisted with social media campaigns
Conducted data analysis
Worked at XYZ Company
- Q3. Job description.
- Q4. Why you have applied for this role and how does it align with your aspirations.
- Ans.
I applied for this role because of my interest in operations management and desire to gain practical experience in the field.
I have a strong academic background in operations management, including coursework in supply chain management and process optimization.
I am eager to apply my theoretical knowledge to real-world scenarios and learn from experienced professionals in the field.
I am excited about the opportunity to c...
- Q5. This is a monotonus role, so what you will learn from this internship.
- Ans.
You will learn valuable operational skills and gain hands-on experience in a professional setting.
Developing strong organizational skills
Learning how to effectively manage time and prioritize tasks
Gaining experience in problem-solving and decision-making
Understanding the importance of communication and teamwork in a professional environment
- Q6. Five Competitors of Unstop.
- Ans.
Competitors of Unstop include CleanSweep, Spotless Solutions, FreshClean, PureShine, and SparklePro.
CleanSweep
Spotless Solutions
FreshClean
PureShine
SparklePro
- Q7. Where will you search for internships?
- Ans.
I will search for internships on online job boards, company websites, career fairs, and through networking.
Online job boards such as Indeed, Glassdoor, and LinkedIn
Company websites of organizations I am interested in
Attending career fairs at my university or in the local area
Networking with professionals in the industry through LinkedIn or in-person events
Interview Preparation Tips
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