
Bristlecone


20+ Bristlecone Interview Questions and Answers
Q1. Write a query to get hierarchical data from a table where parent child relationship is maintained by I'd and parent I'd in same table.
Query to retrieve hierarchical data from a table with parent-child relationship maintained by ID and parent ID.
Use a self-join to join the table with itself based on the parent ID and ID columns.
Use a recursive CTE (Common Table Expression) to traverse the hierarchy and retrieve all levels of data.
Order the results by the hierarchy level to display the data in a hierarchical structure.
Q2. What is indexing and how how can help in database?
Indexing is a technique to improve database performance by creating a quick lookup of data.
Indexing helps in faster retrieval of data from a database.
It reduces the time taken to search for data in a large database.
Indexes can be created on one or more columns of a table.
Examples of indexes include primary key, unique key, and clustered index.
Indexing can also help in optimizing query performance.
Q3. What is Spring Profile, Spring Validations?
Spring Profile is used to configure different environments. Spring Validations is used to validate data.
Spring Profile allows developers to define different configurations for different environments
It helps in managing properties like database credentials, logging levels, etc.
Spring Validations provide a way to validate data before processing it
It helps in ensuring that the data is in the correct format and meets certain criteria
For example, @NotNull annotation can be used to...read more
Q4. Wht is Java and wht u can you do with that?
Java is a high-level programming language used for developing applications and software.
Java is platform-independent and can run on any operating system.
It is object-oriented and has a vast library of pre-built classes and functions.
Java is used for developing web applications, mobile applications, desktop applications, and games.
It is also used for developing enterprise-level applications and software.
Java is widely used in the development of Android applications.
Some popula...read more
Q5. how is shipping point determined?
Shipping point is determined based on various factors such as shipping conditions, loading group, and plant.
Shipping point is determined in SAP SD module during the creation of a delivery document.
It is determined based on the shipping conditions defined in the customer master data.
The loading group assigned to the material in the material master data also plays a role in determining the shipping point.
The plant from which the goods are being shipped is another factor in dete...read more
Q6. Write a Program for Merge Sort Algo
Program for Merge Sort Algo
Divide the array into two halves
Recursively sort the two halves
Merge the sorted halves
Repeat until the entire array is sorted
Q7. What are the steps to perform testing using the Postman user interface?
Testing using Postman UI involves creating requests, setting up environments, running tests, and viewing results.
Create a new request by entering the request URL
Add parameters, headers, and body to the request
Set up environments to manage variables and configurations
Run tests to validate the response data
View test results and response data in the Postman UI
Q8. Do you have any experience with SAP?
Yes, I have 5 years of experience working with SAP in various projects.
Implemented SAP modules such as SAP FI/CO, SAP SD, and SAP MM
Customized SAP solutions to meet client requirements
Provided training and support to end users
Worked on SAP upgrades and system integrations
Experience with SAP S/4HANA implementation
Q9. How to setup GRC to satellite system connection
Setting up GRC to satellite system connection involves configuring network settings and establishing secure communication.
Configure network settings on both GRC and satellite system
Establish secure communication protocols such as VPN or SSH
Ensure proper authentication and authorization mechanisms are in place
Test the connection to ensure data transfer is successful
Q10. what are scripting challenges you have come across
Scripting challenges include handling dynamic elements, synchronization issues, and complex scenarios.
Handling dynamic elements such as changing IDs or classes
Synchronization issues with asynchronous operations
Dealing with complex scenarios like multiple pop-ups or nested frames
Q11. Config parameters important for access control
Config parameters play a crucial role in access control by defining who can access what resources.
Role-based access control (RBAC) parameters
User permissions and privileges
Access control lists (ACLs)
Authentication mechanisms
Authorization rules
Q12. what is Group Condition?
Group Condition is a pricing procedure that allows multiple conditions to be grouped together for calculation.
Group Condition is used in SAP SD pricing procedure.
It allows multiple conditions to be grouped together for calculation.
Group Condition is used to simplify pricing calculation.
It helps in reducing the number of condition types used in pricing procedure.
Example: A group condition can be created for discounts on a specific product category.
Q13. what's is clouser in javascript
A closure is a function that has access to variables in its outer (enclosing) scope.
A closure is created when a function is defined inside another function
The inner function has access to the outer function's variables and parameters
Closures can be used to create private variables and methods
Example: function outer() { var x = 10; function inner() { console.log(x); } return inner; } var closure = outer(); closure(); // Output: 10
Q14. what is block system in load runner?
Block system in LoadRunner is a feature that allows users to divide a script into logical blocks for better organization and management.
Block system helps in organizing script logic into smaller, manageable sections
Each block can contain multiple actions or transactions
Blocks can be easily rearranged, copied, or deleted within the script
Useful for debugging and troubleshooting specific sections of the script
Q15. Explain how you do EAM setup
EAM setup involves defining asset types, hierarchies, attributes, and relationships for effective management.
Start by identifying all asset types within the organization
Define asset hierarchies to show relationships between assets
Establish attributes for each asset type to track relevant information
Set up relationships between assets to understand dependencies and connections
Utilize EAM software to input and manage all setup data
Q16. what is event loop in nodejs
Event loop is a mechanism that allows Node.js to perform non-blocking I/O operations.
Event loop is responsible for handling asynchronous callbacks in Node.js.
It continuously checks the event queue for any new events and executes them one by one.
It allows Node.js to handle multiple requests simultaneously without blocking the main thread.
Event loop is implemented using libuv library in Node.js.
Event loop can be visualized as a loop that runs indefinitely until there are no mor...read more
Q17. write to print even and odd by thread
Print even and odd numbers using two threads
Create two threads, one for printing even numbers and one for printing odd numbers
Use synchronization mechanisms like mutex or semaphore to ensure proper ordering of numbers
Example: Thread 1 prints even numbers (2, 4, 6, ...) and Thread 2 prints odd numbers (1, 3, 5, ...)
Q18. write to print string in C style array
Use a loop to print each character of the string in C style array format
Declare an array of characters with the string length + 1 for null terminator
Use a loop to copy each character of the string into the array
Add a null terminator at the end of the array to signify the end of the string
Q19. write to print string by passing char*
Use a loop to print each character of the string passed as a char* parameter.
Use a for loop to iterate through each character of the char* parameter.
Print each character using printf or cout.
Ensure to handle the null terminator at the end of the string.
Q20. Your technical and mangerial skills
I have strong technical skills in various programming languages and frameworks, as well as experience managing teams and projects.
Proficient in Java, Python, and JavaScript
Experience with Agile methodology and project management tools such as JIRA
Managed a team of developers to successfully deliver a complex software project on time and within budget
Implemented best practices for code quality and testing, resulting in a significant reduction in bugs and improved user experien...read more
Q21. What is difference between incidents & Service requests
Incidents are unplanned interruptions to services, while service requests are planned and routine tasks.
Incidents are unexpected and disrupt services
Service requests are planned and routine tasks
Examples of incidents include system crashes or network outages
Examples of service requests include password resets or software installations
Q22. q. how to rotate linked list
To rotate a linked list, we need to change the pointers of the nodes accordingly.
Create a function that takes the head of the linked list and the number of positions to rotate.
Find the new tail of the linked list after rotating.
Update the pointers to rotate the linked list.
Handle cases where the number of rotations is greater than the length of the linked list.
Q23. architecture for project
The architecture for the project should be scalable, modular, and well-documented.
Use a microservices architecture to break down the project into smaller, independent services.
Implement a RESTful API for communication between services.
Utilize containerization with Docker for easy deployment and scalability.
Consider using a message broker like Kafka for asynchronous communication between services.
Document the architecture and design decisions thoroughly to aid in future develo...read more
Q24. how to you tackle bottlenecks
Identify bottlenecks, prioritize them based on impact, and implement solutions to improve efficiency.
Identify bottlenecks by analyzing performance metrics and conducting root cause analysis
Prioritize bottlenecks based on their impact on the overall system
Implement solutions such as optimizing code, improving infrastructure, or reallocating resources
Monitor the impact of the solutions and adjust as needed
Q25. xpath writting on practice site
XPath is a way to navigate through elements in XML or HTML documents.
XPath uses path expressions to select nodes or content in an XML or HTML document.
It can be used to locate elements based on their attributes, text content, or position in the document.
XPath expressions can be written using various functions and operators to filter and select specific elements.
For example, to select all
elements with a class attribute of 'example', the XPath expression would be '//div[@clas...read more
Q26. ORM Advantages
ORM provides advantages such as increased productivity, improved maintainability, and reduced code duplication.
ORM eliminates the need for manual SQL queries, reducing development time and increasing productivity.
ORM provides a higher level of abstraction, making it easier to maintain and modify code.
ORM reduces code duplication by providing reusable code for common database operations.
ORM allows for easier database migration and management.
Examples of popular ORM frameworks ...read more
Q27. TreeMap vs HashMap
TreeMap and HashMap are both implementations of the Map interface in Java.
HashMap is faster than TreeMap for most operations, but TreeMap maintains elements in a sorted order.
HashMap allows null keys and values, while TreeMap does not allow null keys but allows null values.
HashMap uses hashing to store and retrieve elements, while TreeMap uses a red-black tree.
HashMap is generally preferred for faster operations, while TreeMap is preferred when elements need to be sorted.
Q28. Project explanation in detail.
Developed a predictive model to forecast sales for a retail company.
Collected and cleaned historical sales data
Performed exploratory data analysis to identify trends and patterns
Developed and trained a machine learning model using regression techniques
Evaluated model performance and fine-tuned hyperparameters
Deployed the model in a web application for sales forecasting
Q29. types of joins in sql
Types of joins in SQL include inner join, left join, right join, and full outer join.
Inner join: returns rows when there is a match in both tables
Left join: returns all rows from the left table and the matched rows from the right table
Right join: returns all rows from the right table and the matched rows from the left table
Full outer join: returns rows when there is a match in either table
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