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General aptitude test and one to one questionnaire
My previous employment experience was in a fast-paced tech company where I provided technical support for various software products.
Provided technical support for software products to customers via phone, email, and chat
Troubleshooted and resolved technical issues reported by customers
Collaborated with cross-functional teams to escalate and resolve complex technical issues
Created and maintained documentation for troubl
I appeared for an interview in Sep 2017.
I applied via Approached by Company and was interviewed before Apr 2021. There were 2 interview rounds.
posted on 20 Apr 2022
I applied via Recruitment Consulltant and was interviewed before Apr 2021. There was 1 interview round.
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)
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
I applied via Walk-in and was interviewed before Jul 2021. There were 3 interview rounds.
Data structures and algorithms
Python etl,pandas, pyspark questions
I applied via Naukri.com and was interviewed before Mar 2020. There were 4 interview rounds.
Hashtable is synchronized while hashmap is not.
Hashtable is thread-safe while hashmap is not.
Hashtable does not allow null keys or values while hashmap allows one null key and multiple null values.
Hashtable is slower than hashmap due to synchronization.
Hashtable is a legacy class while hashmap is a newer implementation.
Hashmap is not thread-safe while Concurrent Hashmap is thread-safe.
Hashmap is not suitable for multi-threaded environments as it can lead to race conditions and data inconsistencies.
Concurrent Hashmap allows multiple threads to access and modify the map concurrently without any data inconsistencies.
Concurrent Hashmap uses a technique called lock striping to achieve thread-safety.
Concurrent Hashmap is slower than Hashma...
I applied via Approached by Company and was interviewed before Apr 2021. There were 3 interview rounds.
I applied via first naukari and was interviewed before Oct 2020. There were 4 interview rounds.
I applied via Naukri.com and was interviewed before May 2018. There were 5 interview rounds.
based on 1 interview
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