30+ Wistron Interview Questions and Answers

Recovering deleted datafiles without backup

• Check if the datafiles are still in the operating system's recycle bin or trash folder

• Use data recovery software to scan the hard drive for deleted files

• If the above methods fail, try to recreate the datafiles using the CREATE DATAFILE command

• If the tablespace is still intact, use the RMAN RECOVER TABLESPACE command to recover the data

Cold backup is taken when the database is offline while hot backup is taken when the database is online.

• Cold backup is taken when the database is shut down and all files are copied to a backup location.

• Hot backup is taken while the database is still running and all files are copied to a backup location.

• Cold backup is slower and requires downtime while hot backup is faster and does not require downtime.

• Cold backup is more reliable as there is no chance of data being changed du...read more

Process activities and data collection can be solved by implementing a structured approach.

• Identify the key process activities and data points to be collected

• Develop a data collection plan with clear objectives and timelines

• Implement the plan and monitor progress regularly

• Analyze the data collected and identify areas for improvement

• Make necessary changes to the process and data collection plan

• Continuously monitor and evaluate the process and data collection plan

Active components are capable of providing power to the circuit while passive components do not provide power.

• Active components are capable of amplifying or generating signals, such as transistors and operational amplifiers.

• Passive components include resistors, capacitors, and inductors, which do not amplify or generate signals.

• Active components require a power source to operate, while passive components do not.

• Active components can be used to control the flow of current in a...read more

Cycle time is the time it takes to complete one cycle of a process. Lead time is the time it takes to fulfill a customer order. Downtime is the time when a machine or process is not operational. Upph stands for Units Per Production Hour.

• Cycle time is the time it takes to complete one cycle of a process.

• Lead time is the time it takes to fulfill a customer order.

• Downtime is the time when a machine or process is not operational.

• UPPH stands for Units Per Production Hour and is a ...read more

The number of buses required for smooth transport operation depends on factors like distance, frequency, capacity, and scheduling.

• Consider the distance between the employees' residences and the workplace

• Take into account the frequency of bus trips needed to transport all employees

• Factor in the capacity of each bus and the number of employees per trip

• Consider the scheduling of bus trips to ensure timely arrival and departure

ESD should be used in shop floor to control the body for electronic devices.

• ESD (Electrostatic Discharge) helps prevent damage to electronic devices caused by static electricity.

• It ensures the safety of both the operator and the electronic equipment.

• ESD control measures include using ESD mats, wrist straps, and grounding techniques.

• By implementing ESD practices, the risk of costly damage to sensitive electronic components is minimized.

• ESD protection is crucial in industries l...read more

Process improvement activities can be presented through clear and concise communication, visual aids, and real-life examples.

• Use clear and concise language to explain the process improvement activities

• Use visual aids such as graphs, charts, and diagrams to help illustrate the improvements

• Provide real-life examples of how the improvements have positively impacted the company or community

• Encourage feedback and questions from the audience to ensure understanding and engagement

4G is the fourth generation of wireless mobile telecommunications technology.

• 4G provides faster data transfer rates and improved network reliability compared to previous generations.

• It enables high-quality video streaming, online gaming, and other data-intensive applications.

• Examples of 4G technologies include LTE, WiMAX, and HSPA+.

• Each generation of wireless technology represents a significant improvement over the previous one in terms of speed, capacity, and functionality.

ANTENA stands for Antenna. It is a device used to transmit and receive electromagnetic waves, typically used in communication systems.

• ANTENA is the full form of Antenna.

• An antenna is a transducer that converts electrical signals into electromagnetic waves and vice versa.

• Antennas are used in various applications such as radio and television broadcasting, wireless communication systems, radar systems, and satellite communication.

• Examples of antennas include dipole antennas, Yag...read more

To check DR DC sync, use Data Guard Broker or query V$DATAGUARD_STATS view.

• Use Data Guard Broker to check the status of the standby database and its synchronization with the primary database.

• Query V$DATAGUARD_STATS view to check the redo apply lag and transport lag between the primary and standby databases.

• Check the alert log files of both primary and standby databases for any errors or warnings related to data synchronization.

Exploratory testing is a type of testing where the tester actively learns about the software while testing it.

• Tester uses their knowledge and experience to design and execute tests

• Tests are not pre-planned, but rather created on the fly

• Tester may use tools to aid in testing, but relies heavily on intuition and creativity

• Results of exploratory testing can be used to improve test cases and overall software quality

Process Engineer is responsible for designing, implementing and optimizing manufacturing processes.

• Designing and implementing manufacturing processes

• Optimizing existing processes to improve efficiency and reduce costs

• Collaborating with cross-functional teams to ensure processes meet quality and safety standards

• Identifying and troubleshooting process issues

• Developing and implementing process improvements

• Ensuring compliance with regulatory requirements

• Training and mentoring pro...read more

ER diagrams are visual representations of entities and their relationships in a database.

• ER stands for Entity-Relationship

• ER diagrams are used to design and model databases

• Entities are represented as rectangles, relationships as diamonds, and attributes as ovals

• Examples of entities include customers, orders, and products

• Examples of relationships include one-to-one, one-to-many, and many-to-many

To connect to RMAN, use the 'rman' command in the command prompt or terminal.

• Open the command prompt or terminal

• Type 'rman' and press enter

• Enter the username and password for the target database

• Use the 'connect' command to connect to the target database

• Use the 'run' command to execute RMAN commands

ESD stands for Electrostatic Discharge, which is the sudden flow of electricity between two objects with different electrical potentials.

• ESD occurs when there is a buildup of static electricity on an object or person and then a discharge happens when they come into contact with a conductor.

• It can cause damage to electronic components, especially sensitive ones like computer chips.

• ESD can be prevented or minimized by using antistatic materials, grounding techniques, and proper...read more

UPH is calculated by dividing the total number of units produced by the total number of hours worked.

• Determine the total number of units produced

• Determine the total number of hours worked

• Divide the total number of units produced by the total number of hours worked

• UPH = Total Units Produced / Total Hours Worked

To grow in life, one must set goals, acquire new skills, seek opportunities, build relationships, and maintain a positive mindset.

• Set clear goals and create a plan to achieve them

• Continuously acquire new skills and knowledge through learning and development

• Seek opportunities for growth and advancement in your field

• Build strong relationships and network with professionals in your industry

• Maintain a positive mindset, embrace challenges, and learn from failures

• Take care of your ...read more

Quality issues should be handled promptly and transparently to maintain customer trust and prevent further damage.

• Identify the root cause of the quality issue

• Communicate the issue to relevant stakeholders

• Develop a plan to address the issue and prevent it from happening again

• Implement the plan and monitor its effectiveness

• Provide regular updates to stakeholders on progress and outcomes

Motors are devices that convert electrical energy into mechanical energy to produce motion.

• Motors can be classified into different types such as AC motors and DC motors

• AC motors include induction motors, synchronous motors, and brushed and brushless motors

• DC motors include brushed DC motors and brushless DC motors

• Motors are used in various applications such as industrial machinery, household appliances, and automotive systems

To disclose a problem, one must communicate it clearly and provide relevant details.

• Clearly state the problem and its impact

• Provide relevant background information

• Include any supporting evidence or data

• Offer potential solutions or suggestions for further investigation

• Be open to feedback and collaboration

SOP stands for Standard Operating Procedure. It is a set of step-by-step instructions that outline how to perform a specific task or process.

• SOPs are used to ensure consistency and efficiency in operations.

• They provide clear instructions and guidelines for employees to follow.

• SOPs can cover various areas such as customer service, inventory management, and safety protocols.

• Examples of SOPs include how to handle customer complaints, how to restock shelves, and how to handle haz...read more

An antenna is a device that converts electrical signals into electromagnetic waves and vice versa.

• Antennas can be used for transmitting or receiving signals

• The size and shape of an antenna can affect its performance

• Antennas can be directional or omnidirectional

• Antennas can be tuned to specific frequencies

• Antennas can be designed for specific applications, such as satellite communication or mobile phones

Embedded system is a specialized computer system designed to perform specific tasks within a larger system.

• Embedded systems are often found in everyday devices like smartphones, cars, and household appliances.

• They are designed to be efficient, reliable, and cost-effective.

• Embedded systems typically have limited processing power, memory, and storage compared to general-purpose computers.

• They can be programmed to perform specific functions and are often real-time systems.

• Exampl...read more

Quality control is the process of ensuring that products or services meet the desired level of quality.

• It involves setting quality standards and testing products or services against those standards.

• Quality control can be done at various stages of production or service delivery.

• Examples of quality control measures include inspections, testing, and audits.

• Quality control helps to identify and correct defects or errors before they reach the customer.

• It is an important part of en...read more

ABIS stands for Automated Biometric Identification System.

• ABIS is a computer-based system used for storing, matching, and searching biometric data.

• It is commonly used in law enforcement agencies for identification purposes.

• ABIS can store various biometric data such as fingerprints, facial images, iris scans, and DNA profiles.

• It helps in quickly identifying individuals by comparing their biometric data with the data in the system.

• ABIS is an important tool in criminal investiga...read more

Inventory refers to the total amount of goods or materials that a business holds for the purpose of resale or production.

• Inventory includes raw materials, work-in-progress, and finished goods.

• It is important for businesses to maintain accurate inventory records to avoid stockouts or overstocking.

• Inventory management systems can help businesses track inventory levels and optimize ordering and production processes.

Types of testing include functional, non-functional, manual, automated, regression, performance, and security testing.

• Functional testing ensures that the software meets the specified requirements.

• Non-functional testing checks the software's performance, usability, and reliability.

• Manual testing involves human testers executing test cases.

• Automated testing uses tools to execute test cases.

• Regression testing ensures that changes to the software do not break existing functionali...read more

Audit is a systematic and independent examination of books, accounts, documents, and vouchers of an organization.

• Audit is a process of evaluating the financial statements of an organization to ensure accuracy and compliance with accounting standards.

• It involves examining the books, accounts, documents, and vouchers of an organization to verify the authenticity of financial transactions.

• Audits can be conducted internally by the organization's own employees or externally by ind...read more

LCO2 plant specification refers to the detailed requirements and characteristics of a plant that produces liquid carbon dioxide.

• LCO2 plants are designed to produce and store liquid carbon dioxide.

• The plant typically consists of several key components such as compressors, condensers, and storage tanks.

• The specification includes details about the plant's capacity, efficiency, and safety features.

• It may also cover aspects like the purity of the produced LCO2 and any specific req...read more