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Jio Senior IOS Developer Interview Questions and Answers

Updated 4 Oct 2024

Jio Senior IOS Developer Interview Experiences

2 interviews found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. What is mvvm in swift?
  • Ans. 

    MVVM (Model-View-ViewModel) is a design pattern used in Swift to separate the user interface logic from the business logic.

    • MVVM divides the code into three main components: Model, View, and ViewModel.

    • Model represents the data and business logic of the application.

    • View displays the data and interacts with the user.

    • ViewModel acts as a mediator between the Model and View, handling the logic for the View.

    • MVVM helps in maki...

  • Answered by AI
  • Q2. What is multithreading
  • Ans. 

    Multithreading is the ability of a CPU to execute multiple threads concurrently, allowing for improved performance and responsiveness in applications.

    • Multithreading allows multiple tasks to be executed simultaneously on a single CPU core.

    • It can improve performance by utilizing idle CPU time for other tasks.

    • Examples include running background tasks while the main thread handles user interactions in an iOS app.

  • Answered by AI

Skills evaluated in this interview

Round 1 - Technical 

(2 Questions)

  • Q1. Core data , Push notifications
  • Q2. Problem solving on iOS project
Round 2 - Technical 

(1 Question)

  • Q1. Data structure , Autolayout

Interview Preparation Tips

Interview preparation tips for other job seekers - Very easy interview process easy to crack

Senior IOS Developer Interview Questions Asked at Other Companies

Q1. What are the differences between the MVC and MVVM architectural p ... read more
Q2. What are the differences between classes and structs, and when sh ... read more
Q3. What are the key principles of memory management in iOS app devel ... read more
asked in Paytm
Q4. What is the effective approach to display 'n' number of images in ... read more
asked in SmartServ
Q5. System Design for a food delivery application like Zomato

Interview questions from similar companies

I was interviewed before Mar 2021.

Round 1 - Group Discussion 

Round duration - 15 minutes
Round difficulty - Easy

This was a group discussion round where we were divided into groups of 10 and we had 15 minutes for GD.

Round 2 - Face to Face 

(6 Questions)

Round duration - 60 minutes
Round difficulty - Medium

This is all about how good you are with the fundamentals. Out of 10 I would give it a 6.5 on difficulty.

  • Q1. 

    Reverse the String Problem Statement

    You are given a string STR which contains alphabets, numbers, and special characters. Your task is to reverse the string.

    Example:

    Input:
    STR = "abcde"
    Output:
    "e...
  • Ans. 

    Reverse a given string containing alphabets, numbers, and special characters.

    • Iterate through the string from the end to the beginning and append each character to a new string.

    • Use built-in functions like reverse() or StringBuilder in languages like Python or Java for efficient reversal.

    • Handle special characters and numbers while reversing the string.

    • Ensure to consider the constraints on the length of the string and the

  • Answered by AI
  • Q2. What is a deadlock?
  • Ans. 

    A deadlock is a situation in which two or more processes are unable to proceed because each is waiting for the other to release a resource.

    • Occurs in multitasking environments where processes compete for limited resources

    • Can be resolved using techniques like deadlock prevention, deadlock avoidance, and deadlock detection

    • Example: Process A holds Resource X and waits for Resource Y, while Process B holds Resource Y and wa

  • Answered by AI
  • Q3. What is a thread?
  • Ans. 

    A thread is a lightweight sub-process that allows concurrent execution within a single process.

    • Threads share the same memory space within a process.

    • Threads are used to achieve parallelism and improve performance.

    • Examples of threads include the main thread in a program and worker threads in a multi-threaded application.

  • Answered by AI
  • Q4. What is the difference between Multiprocessing and Multiprogramming?
  • Ans. 

    Multiprocessing involves multiple processors executing multiple tasks simultaneously, while multiprogramming involves multiple programs sharing a single processor by switching between them.

    • Multiprocessing utilizes multiple processors to execute multiple tasks concurrently.

    • Multiprogramming involves multiple programs sharing a single processor by switching between them.

    • Multiprocessing is more efficient in terms of perfor...

  • Answered by AI
  • Q5. Can you explain the process life cycle in an operating system?
  • Ans. 

    Process life cycle in an operating system involves creation, execution, termination, and resource management.

    • Creation: When a process is created, it is assigned a unique process ID and allocated necessary resources.

    • Execution: The process is then scheduled by the operating system to run on the CPU.

    • Termination: Once the process completes its task or is terminated by the user, it is removed from memory.

    • Resource Management...

  • Answered by AI
  • Q6. What are the differences between Windows XP and Windows 7?
  • Ans. 

    Windows XP and Windows 7 are both operating systems developed by Microsoft, but they have several key differences.

    • User interface: Windows 7 has a more modern and user-friendly interface compared to Windows XP.

    • Performance: Windows 7 is generally faster and more stable than Windows XP.

    • Security: Windows 7 has more advanced security features and updates compared to Windows XP.

    • Hardware support: Windows 7 supports newer hard...

  • Answered by AI
Round 3 - Face to Face 

(6 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical round with questions on DBMS and Networking mainly.

  • Q1. What is the difference between RDBMS and DBMS?
  • Ans. 

    RDBMS is a type of DBMS that stores data in a structured format with relationships between tables.

    • RDBMS enforces referential integrity and allows for normalization of data.

    • DBMS is a general term for any system that manages databases, while RDBMS specifically refers to relational databases.

    • Examples of RDBMS include MySQL, Oracle, and SQL Server.

    • Examples of DBMS include MongoDB and Redis.

  • Answered by AI
  • Q2. What is an Object-Oriented Database Management System (OODBMS)?
  • Ans. 

    An Object-Oriented Database Management System (OODBMS) is a type of database management system that supports the creation and management of objects in a database.

    • OODBMS stores data in the form of objects, which can contain attributes and methods.

    • It allows for complex data structures and relationships to be represented more easily.

    • Examples of OODBMS include db4o, ObjectDB, and ObjectStore.

  • Answered by AI
  • Q3. How do you find the number of unique values in a SQL database?
  • Ans. 

    Use the COUNT DISTINCT function in SQL to find the number of unique values in a database.

    • Use the COUNT DISTINCT function along with the column name to count the number of unique values in that column.

    • For example, SELECT COUNT(DISTINCT column_name) FROM table_name;

    • You can also use GROUP BY to find the number of unique values for multiple columns.

  • Answered by AI
  • Q4. What is the difference between a hub and a switch in networking?
  • Ans. 

    A hub operates at the physical layer and broadcasts data to all devices on the network, while a switch operates at the data link layer and forwards data only to the intended recipient.

    • Hub operates at the physical layer, while switch operates at the data link layer

    • Hub broadcasts data to all devices on the network, while switch forwards data only to the intended recipient

    • Switch is more efficient and secure compared to a

  • Answered by AI
  • Q5. Can you explain the different OSI layers?
  • Ans. 

    The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven different layers.

    • Physical Layer: Deals with the physical connection between devices. Example: Ethernet cables.

    • Data Link Layer: Responsible for node-to-node communication. Example: MAC addresses.

    • Network Layer: Manages routing of data packets. Example: IP addresses.

    • T...

  • Answered by AI
  • Q6. What are the different protocols supported at each OSI layer?
  • Ans. 

    Different protocols supported at each OSI layer

    • Layer 1 (Physical): Ethernet, Wi-Fi, Bluetooth

    • Layer 2 (Data Link): MAC, PPP, HDLC

    • Layer 3 (Network): IP, ICMP, ARP

    • Layer 4 (Transport): TCP, UDP, SCTP

    • Layer 5 (Session): NetBIOS, PPTP

    • Layer 6 (Presentation): SSL, TLS

    • Layer 7 (Application): HTTP, FTP, SMTP

  • Answered by AI
Round 4 - HR 

Round duration - 15 minutes
Round difficulty - Easy

IF you make it to the HR round you are selected. All 28 that attended got selected . It was more like stuff for formality. The usual questions.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAEricsson India interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPS, DBMS, OSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

3 Questions

  • Q1. The questions primarily started with discussion on my internships and minor project
  • Q2. Many questions were asked about OOPs concepts like virtual function, multiple inheritance, function overloading etc you are supposed to define and implement all of them on paper
  • Q3. I was asked about my favorite subject, opted computer networks. So, was asked about computer networks basics like ISO OSI, virtual LANs, QoS, AdHoc networks, WiiMax and Wifi

Interview Preparation Tips

Round: Technical Interview
Experience: Technical continues for about 35 minutes, the questions primarily started with discussion on my internships and minor project.
Many questions were asked about OOPs concepts like virtual function, multiple inheritance, function overloading etc you are supposed to define and implement all of them on paper.
I was asked about my favorite subject, opted computer networks. So, was asked about computer networks basics like ISO OSI, virtual LANs, QoS, AdHoc networks, WiiMax and Wifi.

Round: HR Interview
Experience: I was primarily asked about my family background, likes, hobbies etc

College Name: NA

I applied via Recruitment Consultant and was interviewed in Sep 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Regarding SAP Data Services
  • Q2. Designer tool, Project, wf, df, transforms, types of transforms, performance optimisation techniques etc
  • Q3. Hana

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview was good. interviewer was friendly and wherever I couldnt answer his questions he answered them and made me understand.

I applied via Naukri.com and was interviewed before Jul 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. It's was my first job in Ericsson question being asked were linux basic nothing much

Interview Preparation Tips

Interview preparation tips for other job seekers - Well we should have good knowledge on linux python, perl, shell scripting
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Coding Test 

2 programmings on problem solving+ some mcqs on Java + spring boot+ mysql

Round 2 - One-on-one 

(4 Questions)

  • Q1. Streams question to find the count of integers in a list and return it as 1 : 5, 2 : 3, ..
  • Q2. Solid principles + spring theory different questions like jsonignore, pathvaroables, asynchronous communications, normalisation, etc.
  • Q3. Questions on core java like oops, final,static, collections, generics
  • Q4. Questions on project and each part of your services

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare streams, core java well also try to practice discussion about your work in present company and theory of java + spring
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before May 2023.

Round 1 - One-on-one 

(1 Question)

  • Q1. Explain yourself
Round 2 - Coding Test 

Programming easy question to understand your logical thinking.

Interview Preparation Tips

Interview preparation tips for other job seekers - Go basics... Do not focus on advance topics.

I applied via Approached by Company

Round 1 - Technical 

(1 Question)

  • Q1. Questions related to Pivoting, Joins, DeadLocks etc.
Round 2 - Technical 

(1 Question)

  • Q1. Questions related to Performance Improvements, Best Practices in SQL, ETL Processing, Scenario related questions
Round 3 - One-on-one 

(1 Question)

  • Q1. Non Technical Interview with Line Manager. Personal Info , Previous employment related details

Interview Preparation Tips

Interview preparation tips for other job seekers - Make sure to get all details of your Job Role.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What are the modules you have worked
  • Ans. 

    I have worked on modules such as user authentication, data processing, API integration, and UI development.

    • User authentication module - Implemented login, registration, and password reset functionalities.

    • Data processing module - Developed algorithms for data manipulation and analysis.

    • API integration module - Integrated third-party APIs for various functionalities.

    • UI development module - Designed and implemented user in

  • Answered by AI
  • Q2. Integrations and APIs
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Jio Interview FAQs

How many rounds are there in Jio Senior IOS Developer interview?
Jio interview process usually has 1-2 rounds. The most common rounds in the Jio interview process are Technical.
What are the top questions asked in Jio Senior IOS Developer interview?

Some of the top questions asked at the Jio Senior IOS Developer interview -

  1. what is mvvm in swi...read more
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