OSI Digital Senior Software Engineer Interview Questions and Answers

Q1. Different types of No SQL DBs
Ans. 
NoSQL databases are non-relational databases that store and retrieve data in a non-tabular format.
• Document-oriented databases (MongoDB, Couchbase)

• Key-value stores (Redis, Riak)

• Column-family stores (Cassandra, HBase)

• Graph databases (Neo4j, OrientDB)
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Q2. Different types of scaling
Ans. 
Scaling refers to the process of increasing or decreasing the capacity of a system to handle more or less load.
• Vertical Scaling: Adding more resources to a single node

• Horizontal Scaling: Adding more nodes to a system

• Load Balancing: Distributing the load across multiple nodes

• Database Sharding: Splitting a database into smaller parts to distribute the load

• Caching: Storing frequently accessed data in memory for faster acc
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Q1. Technical interview with my primary skill set Where all details asked about technology And given one program to do using primary skill
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Q1. Salary Discussion Questions about why to change org And More specific to HR questions About yourself
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Q1. Question about last project work About Yourself
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They will ask you simple programs to check your logical abilities.

Q1. Normal Salary discussion round
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Q2. Questions about family and location
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Q1. Basics of servicenow Client side server side code Workflows
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