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Deutsche Telekom Digital Labs
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I applied via Recruitment Consulltant and was interviewed in Mar 2023. There were 2 interview rounds.
Selenium is a good tool for automated testing, while manual testing is essential for certain scenarios.
Selenium is great for automating repetitive test cases and regression testing
Manual testing is important for exploratory testing and usability testing
Combining both Selenium and manual testing can provide comprehensive test coverage
A test framework is a set of guidelines or rules used for creating and designing test cases and test scripts.
Test framework provides structure and organization for testing activities
It includes tools, libraries, coding standards, and best practices
Examples include Selenium for web testing, JUnit for unit testing
Automation testing involves using tools to execute test cases and compare actual outcomes with expected outcomes.
Identify test cases that can be automated
Select appropriate automation tools like Selenium, Appium, etc.
Develop test scripts to automate test cases
Execute test scripts and analyze results
Integrate automation testing into CI/CD pipeline for continuous testing
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I applied via Job Portal and was interviewed in Apr 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.
Flip-flops and latches are sequential logic circuits used to store and manipulate binary data.
Flip-flops are edge-triggered devices, while latches are level-sensitive devices.
Flip-flops have separate clock and data inputs, while latches have a single input for both clock and data.
Flip-flops are used in synchronous circuits, while latches are used in asynchronous circuits.
Flip-flops are more complex and require more cir...
posted on 19 Oct 2021
I applied via Naukri.com and was interviewed before Oct 2020. There were 3 interview rounds.
I will use a combination of messaging systems, data replication, and versioning to ensure consistency and availability.
Use messaging systems like Kafka or RabbitMQ to ensure reliable communication between systems
Implement data replication to ensure that data is available on multiple nodes
Use versioning to ensure that all nodes are working with the same data
Implement conflict resolution strategies to handle conflicts th...
posted on 25 Aug 2022
I applied via Campus Placement and was interviewed before Aug 2021. There were 4 interview rounds.
Duration: 1hr
Topics: Array, LinkedList,Stack
Code for insertion in a binary tree
Create a new node with the given data
If the tree is empty, make the new node as root
Else, traverse the tree to find the appropriate position to insert the new node
If the data is less than the current node, go to the left subtree
If the data is greater than the current node, go to the right subtree
Repeat until an appropriate position is found
Set the new node as the child of the appropri
Quick sort is a divide-and-conquer algorithm that sorts an array by partitioning it into two sub-arrays.
Choose a pivot element from the array
Partition the array around the pivot element
Recursively apply quick sort to the left and right sub-arrays
Combine the sorted sub-arrays to get the final sorted array
posted on 5 Oct 2023
I applied via Referral and was interviewed before Oct 2022. There were 3 interview rounds.
Simple coding questions in your preferred language
posted on 8 Feb 2024
I applied via Naukri.com and was interviewed before Feb 2023. There were 3 interview rounds.
Coding for python developer round.
posted on 16 Mar 2024
I applied via Referral and was interviewed before Mar 2023. There was 1 interview round.
posted on 25 Oct 2024
I appeared for an interview before Oct 2023.
It was easy round with 2 questions from hacker rank
posted on 11 Nov 2024
Reverse a linked list by changing the direction of pointers
Start with three pointers: current, previous, and next
Iterate through the linked list, updating pointers to reverse the direction
Update the head of the linked list to be the last node visited
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