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I applied via Recruitment Consulltant and was interviewed before Sep 2021. There were 4 interview rounds.
Row and columnar file formats in Hive differ in the way data is stored and accessed.
Row format stores data in a row-by-row manner, while columnar format stores data in a column-by-column manner.
Row format is suitable for OLTP workloads, while columnar format is suitable for OLAP workloads.
Columnar format allows for faster query performance and compression, while row format allows for faster inserts and updates.
Examples...
Design a data pipeline to ingest data from streaming sources.
Identify the streaming sources and their data formats
Choose a streaming platform like Apache Kafka or AWS Kinesis
Design the pipeline architecture with data ingestion, processing, and storage components
Ensure scalability, fault-tolerance, and data consistency
Monitor and optimize the pipeline performance
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posted on 2 Sep 2024
I applied via Referral and was interviewed in Aug 2024. There was 1 interview round.
The TELICOM industry refers to the telecommunications industry, which includes companies that provide communication services through various means such as telephone, internet, and television.
TELICOM industry encompasses companies that offer services like telephone, internet, and television communication.
Major players in the TELICOM industry include AT&T, Verizon, and Comcast.
Technological advancements have led to the g...
I applied via Walk-in
ITIL stands for Information Technology Infrastructure Library. It is a set of best practices for IT service management.
ITIL provides a framework for IT service management to align IT services with the needs of the business.
It helps organizations improve efficiency, reduce costs, and provide better customer service.
ITIL consists of a series of publications that provide guidance on the provision of quality IT services.
Ex...
I can value add by leveraging my expertise in strategic planning, problem-solving, and team leadership to drive successful project outcomes.
Developing and implementing strategic plans to achieve project goals
Utilizing problem-solving skills to overcome challenges and obstacles
Leading and motivating teams to maximize productivity and collaboration
I applied via Referral and was interviewed in Apr 2023. There were 6 interview rounds.
I applied via Referral and was interviewed in Jul 2023. There were 3 interview rounds.
To achieve a target, set clear goals, create a plan, communicate effectively, motivate the team, track progress, and make necessary adjustments.
Set clear and specific goals that are measurable and achievable
Create a detailed plan outlining the steps and resources needed
Communicate the goals and plan effectively to the team
Motivate and inspire the team to work towards the target
Track progress regularly and make adjustme...
posted on 6 Feb 2024
Duration is for 1 hour. The topics are on Linked Lists, Trees and Heaps.
I applied via Approached by Company and was interviewed in Feb 2023. There were 8 interview rounds.
Codility test with 3 questions in a total of 45 minutes
Some of the top questions asked at the Airtel Africa Lead Engineer interview -
based on 6 reviews
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