Ben Franklin Opticians Software Trainee Interview Questions and Answers

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
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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
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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
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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 } }
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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
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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.
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C,c++ questions and two coding questions. basic mcq

Q1. Treeset, hashset difference
Ans. 
TreeSet and HashSet are both implementations of the Set interface in Java, but they have some key differences.
• TreeSet is a sorted set that maintains elements in ascending order, while HashSet does not guarantee any specific order.

• TreeSet uses a Red-Black tree data structure for storage, which allows for efficient retrieval of elements in sorted order.

• HashSet uses a hash table for storage, which provides constant-time p...read more
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Q2. Oops concept, dbms, programming questions
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Q3. Set and treeset and hashset
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Q1. Why you are accepting refrence people got a job this organisation....they are no skilled....nikhila is a skilled employee but she's replaced person Surya is very low power skill...bcz of sarath Chandra rou...read more
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Q2. Prakash Kumar sahoo is very skilled person but why pradeep reference her old colleague Karthik and jeeva ,,,,then etc people from Wipro company....bcz pradeep thinking is (already I left from this golden e...read more
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Knowledge and work experience

Q1. How would you rate yourself on different coding languages?
Ans. 
I rate myself highly in Python and Java, proficient in Bash scripting, and have basic knowledge of Ruby and JavaScript.
• Python - Highly skilled, used for automation scripts and backend development

• Java - Highly skilled, used for building applications and services

• Bash scripting - Proficient, used for automation and system administration tasks

• Ruby - Basic knowledge, used occasionally for small scripts

• JavaScript - Basic kno...read more
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Q2. What do you know about AI/ML
Ans. 
AI/ML stands for Artificial Intelligence/Machine Learning, which are technologies that enable machines to learn from data and make decisions.
• AI refers to the simulation of human intelligence processes by machines, such as learning, reasoning, and self-correction.

• ML is a subset of AI that focuses on the development of algorithms and statistical models that enable machines to improve their performance on a specific task.

• ...read more
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Q1. About experience and work culture of previous organizations
Ans. 7plus years in the industry with high achievements and definitely there i enjoyed working else how come i spend consistently for years long.
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Q2. If hired what changes can you bring to ur assigned territory
Ans. Definitely my growing nature will bring value addition to your organization with potential increases in sales by at least 20 to 30% growth
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Q1. Why should we hire you by the CEO himself
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Q2. Looking into my experience in the industry and my aptitude skills you can trust the level of changes i could bring upon in future in your organization
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Q1. Your salary expectations and expenses your getting in current organization
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Some of the management questions and some mcq of around 50 nos had to pen down

I am ex employee in BD so please consider for one to one with BM

Q1. Question about my achievements
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Q2. Question about my past history in BD
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Q3. My strength and weakness
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Q1. Question regarding products knowledge
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Q2. Questions regarding market knowledge
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