Find Interview Questions for Wistron

Right Answer:
Mode switches in AUTOSAR refer to transitions between different operational modes of an application, such as switching from "Normal" to "Diagnostic" mode. The RTE (Runtime Environment) handles mode switches by managing the communication and state transitions between different software components, ensuring that the appropriate mode-specific behavior is executed and that the components are notified of the mode change. This is typically done through mode switch APIs and configuration in the RTE.

Right Answer:
A sandbox in Ab Initio is a development environment that allows developers to create, test, and debug their graphs and components without affecting the production environment. It provides a safe space to experiment with changes and validate functionality before deploying to production.

Right Answer:
Common types of linking errors include:

1. **Undefined References**: Occurs when a function or variable is declared but not defined. Resolve by ensuring all referenced functions/variables are defined and linked correctly.

2. **Multiple Definitions**: Happens when the same function or variable is defined in multiple files. Resolve by using `extern` for declarations in header files and ensuring only one definition exists.

3. **Library Not Found**: Occurs when the linker cannot find a specified library. Resolve by checking the library path and ensuring the library is correctly installed and linked.

4. **Incompatible Object Files**: Happens when object files are compiled with different settings or incompatible versions. Resolve by recompiling all object files with consistent settings.

5. **Symbol Conflicts**: Occurs when two or more symbols have the same name. Resolve by renaming conflicting symbols or using namespaces.

6. **Incorrect Link Order**: Happens when libraries are linked in the wrong order, causing dependencies to be unresolved

Right Answer:
In AUTOSAR, an RPort (Receiver Port) is used for receiving data from other components, while a PPort (Provider Port) is used for providing data to other components.

Right Answer:
Error handling in the RTE (Runtime Environment) is managed through the use of error detection mechanisms, such as error hooks and status codes. The RTE provides interfaces for reporting errors, which can be handled by the application software components or the underlying operating system. Additionally, the RTE can log errors and trigger appropriate responses based on the severity of the error, ensuring that the system can recover or safely shut down if necessary.

Right Answer:
A sprint backlog is a detailed plan of work for a specific sprint, derived from the product backlog. It's created during sprint planning by the development team, who select items from the product backlog they commit to complete, then break down those items into tasks and estimate the effort required for each.

Right Answer:
**Benefits:** Faster time to market, reduced risk, improved quality, faster feedback, happier teams.

**Challenges:** Requires high automation, strong collaboration, cultural shift, investment in infrastructure, and robust testing.

Right Answer:
Cross-functional teams in Agile are important because they bring together all the necessary skills to complete work without dependencies on other teams. This leads to faster delivery, better problem-solving, and increased innovation. To foster collaboration, encourage open communication, shared understanding of goals, mutual respect, and a focus on collective ownership.

Right Answer:
Scrum is an Agile framework for managing and completing complex projects.

Implementation involves:

1. **Roles:** Defining roles like Product Owner, Scrum Master, and Development Team.
2. **Sprints:** Working in short, time-boxed iterations (Sprints), typically 2-4 weeks.
3. **Artifacts:** Using artifacts like Product Backlog, Sprint Backlog, and Increment.
4. **Events:** Conducting events such as Sprint Planning, Daily Scrum, Sprint Review, and Sprint Retrospective.
5. **Continuous Improvement:** Regularly inspecting and adapting the process based on feedback.

Right Answer:
To facilitate effective sprint retrospectives, I would:

1. **Set the Stage:** Create a safe and open environment where the team feels comfortable sharing.
2. **Gather Data:** Collect information about what went well, what didn't, and any challenges faced during the sprint.
3. **Generate Insights:** Facilitate a discussion to identify root causes and patterns.
4. **Decide on Actions:** Collaborate to define specific, actionable, measurable, achievable, relevant, and time-bound (SMART) improvements.
5. **Close the Retrospective:** Summarize action items and assign owners.
6. **Follow Up:** Track progress on action items in subsequent sprints to ensure continuous improvement.

Right Answer:
The different types of MRP runs are:

1. **Regenerative MRP** - Processes the entire planning horizon and recalculates all requirements from scratch.
2. **Net Change MRP** - Only processes changes since the last run, updating only the affected items.
3. **Net Change with Planning** - Similar to net change but also considers planned orders and forecasts.
4. **Single-Item MRP** - Focuses on a specific item to calculate its requirements without affecting others.

Right Answer:
I am aware that your company offers a range of services including inventory management, supply chain optimization, and financial accounting solutions. You focus on enhancing operational efficiency and providing accurate financial reporting to support business growth.

Right Answer:
Physical inventory involves counting all inventory items at once, usually at the end of a financial period, while cycle counting is a method of counting a subset of inventory on a regular basis throughout the year. Cycle counting is generally considered better because it allows for more frequent accuracy checks, minimizes disruption to operations, and helps identify discrepancies in real-time.

Right Answer:
Consumption-based planning relies on historical usage data to forecast future inventory needs, while demand-based planning uses market demand forecasts and customer orders to drive inventory decisions.

Neither is universally better; the choice depends on the business context. Consumption-based planning is effective for stable demand patterns, while demand-based planning is better for fluctuating markets or when customer preferences change rapidly.

Right Answer:
Spend analysis is the process of collecting, categorizing, and analyzing spending data to understand purchasing patterns and identify opportunities for cost savings. To reduce procurement and processing costs, you can use spend analysis to:

1. Identify high-spending categories and suppliers.
2. Consolidate purchases to negotiate better terms and discounts.
3. Eliminate unnecessary or duplicate purchases.
4. Optimize supplier selection based on performance and pricing.
5. Develop strategic sourcing strategies to leverage volume and reduce costs.

Right Answer:
Windows New Technology

Right Answer:
You can use the `logrotate` utility to automate the rotation of logs.