StreamSets Interview Questions and Answers

Code to delete duplicate nodes in a sorted linked list

• Traverse the linked list and compare adjacent nodes

• If nodes are equal, delete one of them

• Repeat until all duplicates are removed

Printing all root to leaf paths in a binary search tree

• Traverse the tree recursively and keep track of the current path

• When a leaf node is reached, add the current path to the list of paths

• Print all the paths in the list

• Use an array of strings to store the paths

Find two integers in an array whose sum is closest to zero.

• Sort the array in ascending order.

• Initialize two pointers at the beginning and end of the array.

• Move the pointers towards each other until the sum is closest to zero.

Count set bits in a 32-bit integer in linear time

• Use bit manipulation to count set bits

• Divide the integer into 16-bit chunks and count set bits in each chunk

• Use lookup tables to count set bits in each 8-bit chunk

• Use parallel processing to count set bits in multiple integers simultaneously

To determine the width of a binary tree using breadth-wise traversal, we need to count the number of nodes at each level.

• Perform a breadth-first traversal of the binary tree

• Count the number of nodes at each level

• Keep track of the maximum number of nodes seen at any level

• Return the maximum number of nodes seen

Files are preferred over databases for certain types of data and applications.

• Files are faster for small amounts of data.

• Files are easier to manage and backup.

• Files are more flexible for certain types of data, such as images or videos.

• Databases are better for complex data relationships and queries.

• Databases are more secure and scalable for large amounts of data.

• The choice between files and databases depends on the spec

My training project involved designing and implementing a network infrastructure for a medium-sized company.

• Researched and analyzed the company's requirements for network connectivity and security.

• Designed a network architecture that included routers, switches, firewalls, and VPNs.

• Configured and tested the network devices to ensure proper functionality.

• Implemented security measures such as access control lists and intr...read more

Mobile apps work by running code on the device to perform specific tasks and interact with the user.

• Mobile apps are developed using programming languages like Java, Swift, or Kotlin.

• Apps are installed on the device and run locally, utilizing the device's resources.

• They can access device features like camera, GPS, and sensors.

• Apps communicate with servers or APIs to fetch data or perform actions.

• User interactions trigge...read more

Big Data refers to large and complex sets of data that cannot be easily managed or processed using traditional methods.

• Big Data is characterized by the 3Vs: Volume, Velocity, and Variety.

• Volume refers to the vast amount of data generated and collected from various sources.

• Velocity refers to the speed at which data is generated and needs to be processed in real-time.

• Variety refers to the different types and formats of d...read more

SMAC stands for Social, Mobile, Analytics, and Cloud.

• SMAC is a combination of four technologies that are transforming businesses and industries.

• Social refers to the use of social media platforms for communication and collaboration.

• Mobile refers to the use of mobile devices and applications for accessing information and services.

• Analytics refers to the use of data analysis tools and techniques to gain insights and make ...read more

I am a system engineer with expertise in designing and maintaining complex computer systems.

• Experienced in configuring and troubleshooting network devices

• Proficient in scripting languages like Python and Bash

• Skilled in virtualization technologies such as VMware and Hyper-V

• Knowledgeable in cloud computing platforms like AWS and Azure

• Familiar with ITIL best practices for service management