10+ Eugene Technologies Services Interview Questions and Answers

Sort array of strings based on frequency of digits in each element.

• Create a dictionary to store frequency of digits in each element.

• Sort the array based on the frequency of digits using the dictionary.

• Handle ties by sorting based on the original order of elements.

Map and unordered_map are associative containers that store elements in key-value pairs.

• Map is implemented as a balanced binary tree while unordered_map is implemented as a hash table.

• Map stores elements in sorted order based on the key while unordered_map does not guarantee any specific order.

• Map has a slower insertion and deletion time complexity than unordered_map.

• Map is useful when we need to maintain elements in a sorted order while unordered_map is useful when we need f...read more

API is a set of protocols for building software while Webservice is a type of API that uses HTTP for communication.

• API is a set of protocols for building software applications

• Webservice is a type of API that uses HTTP for communication

• API can be used for both internal and external communication

• Webservice is typically used for external communication over the internet

• API can be in any form like REST, SOAP, etc.

• Webservice is always in the form of SOAP

OS scheduling is the process by which the operating system manages the execution of multiple tasks on a computer system.

• OS scheduling involves determining which tasks should run, when they should run, and for how long.

• Different scheduling algorithms can be used, such as First Come First Serve, Round Robin, and Priority Scheduling.

• The goal of OS scheduling is to optimize system performance, throughput, and response time.

• Scheduling decisions are made based on factors like task ...read more

Pesticide paradox refers to the phenomenon where pests develop resistance to pesticides over time.

• Pesticides are used to kill pests, but over time pests develop resistance to them

• This happens because the pests that are resistant to the pesticide survive and reproduce, passing on their resistance to their offspring

• This can lead to the need for stronger and more toxic pesticides, which can have negative environmental and health effects

• Integrated pest management strategies can h...read more

Use indexing to access individual characters from a string.

• Use square brackets and the index number to access a specific character in the string.

• Remember that indexing starts at 0 in most programming languages.

• Example: str = 'hello', to get the first character 'h', use str[0].

A webservice is a software system designed to support interoperable machine-to-machine interaction over a network.

• Webservices use standardized protocols such as HTTP, XML, SOAP, and REST.

• They allow different applications to communicate with each other regardless of the programming language or platform used.

• Webservices can be used for a variety of purposes such as data exchange, business process integration, and application integration.

• Examples of webservices include Google Ma...read more

I have used various project management tools throughout my career.

• I have experience with popular project management tools such as Microsoft Project, Jira, and Trello.

• I am proficient in using Gantt charts to track project progress and dependencies.

• I have utilized collaboration tools like Asana and Basecamp to facilitate team communication and task management.

• I have also worked with Agile project management tools like Scrum and Kanban boards.

• In addition, I have used project man...read more

To convert a red project to green, identify the root causes of the issues, develop a plan, and execute it effectively.

• Analyze the project to identify the reasons for its current state

• Address any underlying issues or challenges

• Develop a detailed plan with clear objectives, milestones, and timelines

• Assign responsibilities to team members and ensure clear communication

• Monitor progress regularly and make necessary adjustments

• Implement effective risk management strategies

• Leverage ...read more

I ingested Kafka data using Kafka Connect and performed data processing and analysis on a daily basis.

• Used Kafka Connect to ingest data from various sources into Kafka topics

• Developed custom Kafka Connect connectors for specific data sources

• Utilized Kafka Streams for real-time data processing and analysis

• Worked with schema registry for data serialization and deserialization

Managing scope involves defining, controlling, and monitoring the boundaries of a project.

• Define clear project objectives and deliverables

• Create a detailed project scope statement

• Establish a change control process

• Regularly review and update the project scope

• Communicate scope changes to stakeholders

• Monitor project progress and ensure adherence to scope

A project is a temporary endeavor undertaken to create a unique product, service, or result.

• Projects have defined objectives and deliverables.

• They have a specific start and end date.

• Projects require resources, such as people, time, and budget.

• They involve a series of coordinated activities.

• Examples: building a new website, launching a marketing campaign, developing a new software application.

Catalyst optimizer is a query optimization framework in Apache Spark that improves performance by generating optimized query plans.

• Catalyst optimizer is a rule-based optimization framework in Apache Spark.

• It leverages advanced techniques like predicate pushdown, constant folding, and join reordering to optimize query plans.

• Catalyst optimizer helps in improving the performance of Spark SQL queries by selecting the most efficient query execution plan.

• It also enables Spark to pe...read more