Find Interview Questions for Top Companies
Icon Resources Interview Questions and Answers
Ques:- How do you switch between ARM and Thumb modes in code
Right Answer:
To switch between ARM and Thumb modes in code, use the `BX` instruction with the least significant bit (LSB) set to 1 for Thumb mode and 0 for ARM mode. For example, to switch to Thumb mode, use `BX Rn` where `Rn` contains an address with the LSB set to 1. To switch back to ARM mode, use an address with the LSB set to 0.
Ques:- What is the role of the MCAL (Microcontroller Abstraction Layer)
Right Answer:
The MCAL (Microcontroller Abstraction Layer) provides a standardized interface between the AUTOSAR software components and the microcontroller hardware, allowing for hardware independence and easier software portability across different microcontrollers.
Ques:- What are SELECT statements in ABAP and how are they used to retrieve data
Right Answer:
SELECT statements in ABAP are used to retrieve data from database tables. They allow you to specify which fields to select, from which table, and under what conditions. The basic syntax is:

```abap
SELECT field1, field2 FROM table_name WHERE condition INTO TABLE @DATA(result_table).
```

This retrieves data that meets the specified condition and stores it in an internal table.
Ques:- How is communication handled between components in AUTOSAR
Right Answer:
In AUTOSAR, communication between components is handled through the use of the AUTOSAR Communication Services, which include the RTE (Run-Time Environment) that facilitates message passing between software components. Components communicate using defined interfaces and can utilize various communication protocols like CAN, LIN, or Ethernet, depending on the configuration and requirements.
Ques:- What steps do you take to ensure memory and timing constraints are met
Right Answer:
To ensure memory and timing constraints are met, I take the following steps:

1. **Requirements Analysis**: Clearly define memory and timing requirements based on system specifications.
2. **Resource Allocation**: Allocate memory resources efficiently, ensuring that each component has the necessary memory without exceeding limits.
3. **Static Analysis**: Use static analysis tools to evaluate memory usage and detect potential issues early in the development process.
4. **Timing Analysis**: Perform timing analysis to verify that all tasks meet their deadlines, using tools like timing simulation and worst-case execution time (WCET) analysis.
5. **Profiling**: Conduct runtime profiling to monitor actual memory usage and execution times during testing.
6. **Optimization**: Optimize code and configurations to reduce memory footprint and improve execution speed.
7. **Testing**: Implement rigorous testing, including stress tests, to validate that the system operates within the defined constraints under various conditions.
8. **Documentation**: Maintain thorough documentation of memory and timing constraints,
Ques:- You want to verify which lines in the file kickoff contain 'Bob'. Which of the following commands will accomplish this?Choose one:a. sed -n /Bob/p kickoffb. sed /Bob/p kickoffc. sed -n 'Bob p' kickoffd. sed /Bob/ kickoff
Ques:- What are HTTP methods and how are they used in APIs
Right Answer:
HTTP methods are standardized request types used in APIs to perform actions on resources. The main methods are:

1. **GET**: Retrieve data from a server.
2. **POST**: Send data to a server to create a new resource.
3. **PUT**: Update an existing resource on the server.
4. **DELETE**: Remove a resource from the server.
5. **PATCH**: Apply partial modifications to a resource.

These methods define the action to be performed on the specified resource in the API.
Ques:- What is API documentation and why is it necessary
Right Answer:
API documentation is a technical manual that explains how to use an API, including its endpoints, request and response formats, authentication methods, and examples. It is necessary because it helps developers understand how to integrate and interact with the API effectively, ensuring proper usage and reducing errors.
Ques:- What is the role of an API Gateway in microservices architecture
Right Answer:
An API Gateway acts as a single entry point for clients to access multiple microservices, handling requests, routing them to the appropriate services, managing authentication, rate limiting, and aggregating responses.
Ques:- What is rate limiting in APIs and how is it implemented
Right Answer:
Rate limiting in APIs is a technique used to control the number of requests a user can make to an API within a specific time period. It is implemented by setting thresholds (e.g., requests per minute) and using mechanisms like tokens, counters, or IP address tracking to monitor and restrict access when the limit is exceeded.
Ques:- What is API versioning and why is it important
Right Answer:
API versioning is the practice of managing changes to an API by assigning version numbers to different iterations of the API. It is important because it allows developers to introduce new features or make changes without breaking existing client applications that rely on older versions, ensuring backward compatibility and a smoother transition for users.
Ques:- How do you prioritize features or tasks in an Agile sprint
Right Answer:
We prioritize features or tasks in an Agile sprint using a combination of factors like business value, risk, effort/size, dependencies, and urgency. Product Owner usually leads this, using techniques like MoSCoW (Must have, Should have, Could have, Won't have) or story pointing, to ensure the most valuable items are tackled first.
Ques:- What tools or software do you use for Agile project management and why
Right Answer:
I've used tools like Jira, Azure DevOps, and Trello for Agile project management. I choose them based on project needs; Jira for complex workflows and robust reporting, Azure DevOps for integrated development environments, and Trello for simpler, visually-oriented task management.
Ques:- How do you approach Agile at scale (e.g., SAFe, LeSS) for larger teams or organizations
Right Answer:
I would assess the organization's context, choose a suitable scaling framework like SAFe or LeSS based on needs, implement it incrementally with training and coaching, focusing on value delivery, and continuously inspect and adapt the implementation based on feedback and results.
Ques:- How do you ensure that Agile processes are being followed consistently
Right Answer:
We ensure consistent Agile processes through:

* **Training and coaching:** Ensuring the team understands Agile principles and practices.
* **Regular audits and retrospectives:** Identifying deviations and areas for improvement.
* **Using tools and templates:** Standardizing processes and providing guidelines.
* **Defining clear roles and responsibilities:** Ensuring everyone knows their part in the process.
* **Promoting open communication and feedback:** Encouraging early detection of issues.
Ques:- What are Agile ceremonies (like sprint planning, daily stand-ups, sprint reviews, retrospectives), and how do they work
Right Answer:
Agile ceremonies are recurring meetings within a sprint to facilitate communication, planning, and continuous improvement.

* **Sprint Planning:** The team decides what work to complete in the upcoming sprint. They discuss user stories, estimate effort, and define the sprint goal.

* **Daily Stand-up:** A brief daily meeting where the team shares progress, identifies roadblocks, and coordinates efforts. Each member typically answers: What did I do yesterday? What will I do today? Are there any impediments?

* **Sprint Review:** The team demonstrates the completed work to stakeholders, gathering feedback and ensuring alignment with expectations.

* **Sprint Retrospective:** The team reflects on the past sprint, identifying what went well, what could be improved, and defining action items to enhance future performance.
AmbitionBox Logo

What makes Takluu valuable for interview preparation?

1 Lakh+
Companies
6 Lakh+
Interview Questions
50K+
Job Profiles
20K+
Users