10+ Lynx Tour & Travels Interview Questions and Answers

REST API is a standard for building web APIs, while Kafka is a distributed streaming platform. REST is used for synchronous communication, while Kafka is used for asynchronous communication.

• REST API is used for building web APIs that follow the REST architectural style, allowing clients to interact with servers over HTTP. It is typically used for synchronous communication.

• Kafka is a distributed streaming platform that is used for building real-time data pipelines and streamin...read more

No, POST method is used to create new data, not retrieve existing data in REST API.

• POST method is used to create new data in REST API

• GET method is used to retrieve existing data in REST API

• Other HTTP methods like PUT, PATCH, DELETE have different purposes in REST API

Database performance and scaling can be improved by optimizing queries, indexing, caching, partitioning, and using sharding.

• Optimize queries by avoiding unnecessary joins, using proper indexes, and limiting the data returned

• Use indexing to speed up data retrieval by creating indexes on columns frequently used in queries

• Implement caching to store frequently accessed data in memory for faster retrieval

• Partitioning can help distribute data across multiple servers to improve perf...read more

Selenium is a popular open-source automation testing tool used for web applications.

• Selenium has four components: Selenium IDE, Selenium RC, WebDriver, and Selenium Grid.

• Selenium IDE is a record and playback tool used for creating test cases.

• Selenium RC is a deprecated tool that allows executing test scripts in multiple browsers.

• WebDriver is a tool used for automating web applications and supports multiple programming languages.

• Selenium Grid is used for running tests in paral...read more

Java is a high-level programming language used for developing applications and software.

• Java is an object-oriented language

• It is platform-independent

• Java code is compiled into bytecode

• The bytecode is executed by the Java Virtual Machine (JVM)

• JVM converts bytecode into machine code

• Java programs are executed in a sandbox environment for security

• Java has automatic memory management

GraphQL vs REST comparison in terms of advantages and limitations

• GraphQL allows clients to request only the data they need, reducing over-fetching and under-fetching

• REST is simpler to understand and implement for basic CRUD operations

• GraphQL has a strong type system which helps in avoiding errors during development

• REST has better caching mechanisms due to its statelessness

• GraphQL can lead to complex queries and potential performance issues if not optimized properly

• REST has we...read more

Springboot annotations are used to simplify the development process by providing metadata to the Spring framework.

• Annotations like @RestController, @RequestMapping, @Autowired, @Component are commonly used in Springboot.

• These annotations help in defining the behavior of the application, mapping endpoints, injecting dependencies, and creating beans.

• For example, @RestController is used to define a controller class, @RequestMapping is used to map HTTP requests to handler methods...read more

SDLC is a process followed for software development while STLC is a process followed for software testing.

• SDLC stands for Software Development Life Cycle

• It includes phases like planning, designing, coding, testing, and maintenance

• STLC stands for Software Testing Life Cycle

• It includes phases like test planning, test design, test execution, and test closure

• Both SDLC and STLC are important for delivering quality software products

Github is a web-based platform for version control and collaboration.

• Github allows developers to store and manage their code repositories online.

• It provides features like version control, issue tracking, and pull requests.

• Github also allows for collaboration between developers through features like forking and merging.

• It supports various programming languages and integrates with many development tools.

• Github is widely used in the software development industry and has a large ...read more