20+ Interview Questions and Answers

Answering questions on PDC emulator errors, VMware disk consolidation, migration types, and AWS/Azure issues.

• PDC emulator errors can be fixed by ensuring that the time on the PDC is synchronized with the rest of the domain controllers.

• VMware disk consolidation errors can be resolved by ensuring that there are no snapshots of the virtual machine and that the virtual machine is powered off.

• Types of migration include cross-over migration and AWS SMS connector.

• Issues with cross-o...read more

As a tester, I communicate with the development team and prioritize testing based on the severity of the delay.

• Communicate with the development team to understand the reason for the delay

• Prioritize testing based on the severity of the delay

• Provide feedback to the development team on how to avoid future delays

• Automate testing to reduce the time required for testing

• Collaborate with the development team to improve the build process

Web client offers more flexibility and features than RestTemplate.

• Web client supports reactive programming and non-blocking I/O.

• Web client allows for more customization and configuration options.

• Web client can handle multiple requests concurrently.

• Web client can be used with different protocols, not just HTTP.

• RestTemplate is simpler and easier to use for basic requests.

Answering questions on observable, flowable, hashcode, and Kotlin data classes.

• Observable and Flowable are both types of reactive streams in RxJava

• Flowable is used for handling backpressure while Observable is not

• Hashcode is a method in Java that returns a unique integer value for an object

• Kotlin data classes have default methods like equals(), hashCode(), and toString()

I facilitate all the Scrum ceremonies including Sprint Planning, Daily Stand-up, Sprint Review, and Sprint Retrospective.

• Sprint Planning involves defining the Sprint Goal and creating a plan for the upcoming Sprint.

• Daily Stand-up is a daily meeting where the team discusses progress, plans for the day, and any obstacles.

• Sprint Review is a meeting where the team presents the work completed during the Sprint and receives feedback.

• Sprint Retrospective is a meeting where the team ...read more

Microservices architecture is a way of designing software applications as independent, small, and modular services.

• Microservices are self-contained and can be developed, deployed, and scaled independently.

• Each microservice performs a specific business function and communicates with other microservices through APIs.

• Microservices architecture promotes flexibility, agility, and faster time-to-market.

• Examples of companies using microservices architecture include Netflix, Amazon, ...read more

Content negotiation can be handled by using HTTP headers to indicate the preferred format of the response.

• Use the Accept header to indicate the preferred format of the response

• Use the Content-Type header to indicate the format of the request body

• If the server cannot provide the requested format, it should return a 406 Not Acceptable status code

• If the server can provide multiple formats, it should use the Content Negotiation algorithm to determine the best format to return

The assets cycle involves accounting entries related to the acquisition, utilization, and disposal of assets. Depreciation key and area are used to calculate and allocate depreciation expenses.

• Assets cycle involves acquiring, using, and disposing of assets.

• Accounting entries include recording asset acquisition, depreciation, and disposal.

• Depreciation key is used to determine the method and rate of depreciation for an asset.

• Depreciation area is used to allocate depreciation ex...read more

We use Jira for Scrum.

• Jira is a popular tool for Agile project management

• It allows for easy creation and management of Scrum boards

• Jira also has features for sprint planning, backlog management, and reporting

• Other tools like Trello and Asana can also be used for Scrum

Distributed logging is a method of collecting and aggregating log data from multiple sources across a network.

• Logs are generated by applications and systems and sent to a central location for storage and analysis.

• Distributed logging allows for easier troubleshooting and monitoring of distributed systems.

• Popular tools for distributed logging include Elasticsearch, Logstash, and Kibana (ELK stack).

P2P cycle involves procurement of goods/services, approval, receipt, invoice processing, and payment.

• P2P cycle starts with requisition for goods/services

• Approval process follows to ensure compliance

• Goods/services received and invoice processed for payment

• Accounting entries include debit to expense account and credit to accounts payable

The O2C cycle involves the process of receiving and fulfilling customer orders, invoicing, and receiving payment.

• Order is received from customer

• Order is processed and goods/services are delivered

• Invoice is generated and sent to customer

• Payment is received and recorded in accounts

GRM rule stands for Generalized Resource Management rule.

• GRM rule is a principle used in project management to allocate resources efficiently.

• It involves prioritizing tasks based on available resources and project goals.

• The rule helps in optimizing resource utilization and improving project outcomes.

• For example, if a project has limited budget and manpower, GRM rule would prioritize tasks that are critical to project success.

Scrum ceremonies are regular meetings that help the team to plan, review, and improve their work.

• Sprint Planning: Plan the work for the upcoming sprint

• Daily Stand-up: Daily check-in to discuss progress and plan for the day

• Sprint Review: Review the work completed during the sprint

• Sprint Retrospective: Reflect on the sprint and identify areas for improvement

• Backlog Refinement: Review and prioritize the product backlog

Empirical process is a data-driven approach to problem-solving that involves continuous experimentation and observation.

• Empirical process involves making observations, collecting data, and using that data to make decisions.

• It is a continuous process that involves testing hypotheses and refining them based on the results.

• Empirical process is commonly used in fields such as science, engineering, and business.

• For example, a company might use empirical process to test different m...read more

Glide ajax is a client-side scripting technology in ServiceNow used for asynchronous server communication.

• Glide ajax is used to make asynchronous server calls without refreshing the entire page.

• Syntax: new GlideAjax('script_include_name').getXMLAnswer(callbackFunction);

• Example: var ga = new GlideAjax('MyScriptInclude'); ga.addParam('sysparm_name', 'myFunction'); ga.getXMLAnswer(myCallbackFunction);

My expected CTC is negotiable based on the responsibilities and opportunities offered by the role.

• I am looking for a competitive salary package that aligns with industry standards and my level of experience.

• I am open to discussing additional benefits such as bonuses, stock options, or flexible work arrangements.

• I believe in fair compensation for the value I bring to the organization.

• I am confident that we can reach a mutually beneficial agreement during the negotiation proces...read more

Z-Ordering is a method of arranging objects on a 2D plane based on their depth or priority.

• Z-Ordering determines the order in which objects are drawn on a screen.

• Objects with a higher Z-order value are drawn on top of objects with a lower Z-order value.

• Z-Ordering is commonly used in computer graphics and user interface design.

• For example, in a video game, characters may have different Z-order values to ensure they appear correctly in front of or behind other objects.

Software testing life cycle involves planning, designing, executing, and evaluating tests to ensure quality software.

• The software testing life cycle includes test planning, test design, test execution, and test evaluation.

• Test planning involves defining the scope, objectives, and resources required for testing.

• Test design includes creating test cases, test data, and test scripts based on requirements.

• Test execution involves running the tests and recording the results.

• Test eva...read more

Delta Lake is an open-source storage layer that brings ACID transactions to Apache Spark and big data workloads.

• Delta Lake provides ACID transactions, scalable metadata handling, and unifies streaming and batch data processing.

• It ensures data integrity and reliability by providing features like schema enforcement and data versioning.

• Delta Lake is compatible with Apache Spark and supports various data formats like Parquet, ORC, and Avro.

• It allows users to easily convert existi...read more

Delta lakes provide scalable, reliable, and performant storage for big data analytics.

• Scalability: Delta lakes can handle large amounts of data and scale easily as data grows.

• Reliability: Delta lakes ensure data integrity and consistency with ACID transactions.

• Performance: Delta lakes optimize data access and query performance with indexing and caching.

• Schema enforcement: Delta lakes enforce schema on write, ensuring data quality and consistency.

• Time travel: Delta lakes allow...read more