Associate DevOps Engineer Interview Questions and Answers

Git is a version control system used for tracking changes in code. It has various commands for managing repositories.

• Git is used for version control and collaboration in software development.

• Common commands include git add, git commit, git push, and git pull.

• Git branches allow for parallel development and merging of code.

• Git can be integrated with continuous integration and deployment tools.

• Git also has features for managing conflicts and reverting changes.

ELK is a data analytics platform used for log analysis and visualization.

• ELK stands for Elasticsearch, Logstash, and Kibana.

• Elasticsearch is a search and analytics engine used to store and search data.

• Logstash is a data processing pipeline used to collect, parse, and transform data.

• Kibana is a data visualization tool used to create dashboards and reports.

• ELK is commonly used for log analysis and monitoring in DevOps.

• ELK can be used to monitor server logs, application logs, an...read more

Largest Common Subsequence DP problem involves finding the longest subsequence that is common to two given strings.

• Use dynamic programming to solve this problem efficiently.

• Create a 2D array to store the lengths of common subsequences of substrings.

• Traverse the array to find the length of the largest common subsequence.

• Example: Given strings 'ABCD' and 'ACD', the largest common subsequence is 'ACD'.

Check if a string contains any palindromes

• Iterate through each string in the array

• Reverse the string and compare it with the original string to check for palindrome

• Return true if any palindrome is found, false otherwise

SQL is a traditional relational database management system, while NoSQL is a non-relational database system.

• SQL is structured, uses tables with rows and columns, and follows ACID properties.

• NoSQL is unstructured, uses collections of documents, key-value pairs, or graphs, and is horizontally scalable.

• SQL is better for complex queries and transactions, while NoSQL is better for large amounts of data and flexible schemas.