Illumina Senior Service Now Developer Interview Questions, Process, and Tips

Q1. Explain end to end automation cycle
Ans. 
End to end automation cycle involves automating the entire software development process from planning to deployment.
• The cycle starts with requirements gathering and planning

• Next, the code is developed and tested using automation tools

• Continuous integration and delivery are used to deploy the code to production

• Monitoring and feedback are used to improve the process

• Examples of automation tools include Jenkins, Selenium,
Answered by AI
Add your answer

Q1. Why do you want to join this company.
Add your answer

Q1. Oops, c#, design , .net framework
Add your answer

Q1. Managerial, projects
Add your answer

Q1. How do you find the code performance issue in the code deployed in production?
Ans. 
To find code performance issues in production, use monitoring tools and profiling techniques.
• Use monitoring tools like New Relic, AppDynamics, or Datadog to track performance metrics and identify bottlenecks.

• Use profiling techniques like CPU profiling, memory profiling, and network profiling to pinpoint specific areas of the code that are causing performance issues.

• Analyze logs and error messages to identify patterns a...read more
Answered by AI
View 1 more answer
Q2. What is asynchronous programming
Ans. 
Asynchronous programming is a programming paradigm that allows multiple tasks to run concurrently without blocking each other.
• Asynchronous programming is used to improve the performance of applications that require a lot of I/O operations.

• It involves the use of callbacks, promises, and async/await keywords in JavaScript.

• Asynchronous programming can be used in both front-end and back-end development.

• Examples of asynchro...read more
Answered by AI
Add your answer
Q3. Write a program to change background after every 0.5 sec interval to orange,white,green on button click in Angular?
Ans. 
Program to change background color on button click in Angular
• Create a button in Angular template

• Add click event listener to the button

• Use setInterval() function to change background color after every 0.5 sec

• Use ngStyle directive to change background color dynamically
Answered by AI
Add your answer
Q4. How to load a component only after 3 of my services are loaded?
Ans. 
Use Angular's 'resolve' property to load component after services are loaded.
• Create a resolver service that waits for all three services to complete before resolving.

• Add the resolver service to the 'resolve' property of the component's route.

• Access the resolved data in the component using the ActivatedRoute service.

• Example: { path: 'my-component', component: MyComponent, resolve: { data: MyResolverService } }
Answered by AI
Add your answer
Q5. What is difference between iquerable and ienumrable
Ans. 
IQueryable is for querying data from a source that implements IQueryable interface while IEnumerable is for iterating over a collection of data.
• IQueryable is used for deferred execution while IEnumerable is used for immediate execution.

• IQueryable is used for querying data from a remote data source while IEnumerable is used for querying data from an in-memory collection.

• IQueryable is more efficient for large datasets as...read more
Answered by AI
Add your answer
Q6. When you go with entity framework and ado.net
Ans. 
Entity Framework is an ORM while ADO.NET is a data access technology.
• Entity Framework is easier to use and provides more abstraction than ADO.NET.

• ADO.NET is faster and more flexible than Entity Framework.

• Use Entity Framework for simple CRUD operations and ADO.NET for complex queries and performance-critical applications.
Answered by AI
Add your answer

Q1. Wpf C# concept and sone codes for binding
Ans. 
WPF C# is a framework for building desktop applications. Binding is a way to connect UI elements to data sources.
• WPF stands for Windows Presentation Foundation

• C# is the programming language used for WPF development

• Binding allows for automatic updates of UI elements when data changes

• Example code for binding:

• DataContext is used to set the data source for binding
Answered by AI
Add your answer

Q1. Previous project and managerial rout
Add your answer

Q1. Salary expectations
Add your answer

It was an MCQ based test. Code Snippets as well as OOPS, OS, DBMS questions were there

Q1. How to implement a stack OS Questions Problem Solving Questions OOPS concepts DS questions
Add your answer

Q1. Smart Pointers About the project done in college
Add your answer

IT was basic question from string and array

Q1. Data structure question find all leaf node from tree.
Ans. 
Use depth-first search to traverse the tree and identify leaf nodes.
• Implement depth-first search algorithm to traverse the tree.

• Identify nodes with no children as leaf nodes.

• Store leaf nodes in an array for retrieval.
Answered by AI
Add your answer
Q2. Print sentence word in reverse order without using default function. eg: input:-> I live in New York. output:-> I evil ni weN kroY.
Ans. 
Reverse each word in a sentence without using default function.
• Split the sentence into words

• Iterate through each word and reverse it

• Join the reversed words back into a sentence
Answered by AI
Add your answer

Q1. Programming question :Fibonacci series using recursion.
Ans. 
Fibonacci series using recursion is a classic programming problem where each number is the sum of the two preceding ones.
• Define a recursive function that takes an integer n as input

• Base case: if n is 0 or 1, return n

• Recursive case: return the sum of the previous two Fibonacci numbers

• Call the function recursively with n-1 and n-2 until base case is reached
Answered by AI
Add your answer
Q2. Programming question: Find 1st 2nd and 3rd highest from array of integer.
Ans. 
Find 1st, 2nd, and 3rd highest integers from an array.
• Sort the array in descending order.

• Retrieve the first three elements from the sorted array.

• Handle cases where array length is less than 3.
Answered by AI
Add your answer

Q1. They asked Puzzle
Add your answer

Q1. Salary Discussion
Add your answer