Career Landmark Placement Services Interview Questions and Answers

Outsourcing is the practice of contracting out certain business functions or processes to third-party providers.

• Outsourcing can help companies reduce costs by hiring external vendors to handle tasks such as customer service, IT support, or manufacturing.

• Companies may outsource to take advantage of specialized skills or resources that they do not have in-house.

• Offshore outsourcing involves contracting with companies in ...read more

Annotations in Spring Boot are used to simplify the configuration and development of applications.

• Annotations are used to provide metadata about the application's components

• They help in reducing the amount of configuration required

• Examples include @RestController, @Autowired, @RequestMapping

Coalesce reduces the number of partitions in a DataFrame, while repartition increases the number of partitions.

• Coalesce is used to reduce the number of partitions in a DataFrame without shuffling the data

• Repartition is used to increase the number of partitions in a DataFrame and can involve shuffling the data

• Coalesce is more efficient than repartition when reducing partitions as it avoids shuffling