Ace Your Big Data Interview

[{"selector":"#anim-828b14c9-88d8-4375-a1f5-1ade1dbf1eda","keyframes":{"opacity":[0,1]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f337022e-3aa2-4e6c-a9a2-5d3ecd897db2","keyframes":{"transform":["translate3d(114.87342%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] www.pickl.ai

Introduction

[{"selector":"#anim-c1f72e1a-977f-484c-8f1d-5439f70e94d7","keyframes":{"opacity":[0,1]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3638c09f-9b30-442f-8f59-ff402ae36be1","keyframes":{"transform":["translate3d(115.18987%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-fcf4af82-f6d8-4ebd-a88b-5d5fbeebb704","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c9f5fc6e-6ff1-4691-881d-fb3bbf1c8cea","keyframes":{"transform":["translate3d(-115.28663%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-19c41dde-2b3f-4413-998f-61657ed01b0d","keyframes":{"opacity":[0,1]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5f507ff0-d670-43cb-a585-76348d297a47","keyframes":{"transform":["translate3d(0px, 446.46462%, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-08db4047-152d-403c-ae9b-fbb1164a0947","keyframes":{"opacity":[0,1]},"delay":500,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a6ef597a-fbe0-45b5-9b36-ef627f48f02e","keyframes":{"transform":["translate3d(0px, 416.18382%, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5e96d472-e3bc-4c4c-a0f1-03165851f9b9","keyframes":{"opacity":[0,1]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e300a293-c0c8-45f5-8a2c-a1c360cc64c3","keyframes":{"transform":["translate3d(0px, -141.31347%, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Big Data interview questions cover concepts like Hadoop, Spark, and data analytics. Prepare with these key topics for success. Read More

What is Big Data?

[{"selector":"#anim-4baa8a7d-34ad-4c3b-9d68-10b29fb5c2c0","keyframes":{"opacity":[0,1]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-93510d31-76a6-4677-ac23-d5834da3feb6","keyframes":{"transform":["translate3d(115.18987%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-75eafddc-c2a7-4782-9169-27f03da8db72","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-755f3e1d-a198-4093-8b8a-65edbb354aca","keyframes":{"transform":["translate3d(-115.92356%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2b8f1d58-f8f1-4cc9-b454-cd6855ad031c","keyframes":{"opacity":[0,1]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-201f5717-fb79-4ac3-bb28-6ce07c4dbb31","keyframes":{"transform":["translate3d(0px, -145.90526%, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Big Data refers to large datasets from various sources, including social media and IoT devices. It includes structured, semi-structured, and unstructured data.

5 V’s of Big Data

[{"selector":"#anim-651eca3a-b671-4a60-a4c4-fa4807ab2784","keyframes":{"opacity":[0,1]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-075cddd1-4b68-49a3-9df3-0b6b984557cb","keyframes":{"transform":["translate3d(115.50632%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-084a470b-adde-4aa6-9c1f-d7464ad8d3bd","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9b3fec8a-cf4b-4bc8-ae54-2a2867e01f3d","keyframes":{"transform":["translate3d(-115.28663%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3f709533-e837-4c43-a8e6-235078a2f034","keyframes":{"opacity":[0,1]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-41ada815-9bc5-4e1c-9435-8b017a5c2253","keyframes":{"transform":["translate3d(0px, -131.38089%, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] The 5 V’s are Volume, Velocity, Variety, Veracity, and Value. These define the characteristics and challenges of handling Big Data.

Tell us About Hadoop Ecosystem

[{"selector":"#anim-ab656e13-0374-4578-8c4e-17ac9a3205a1","keyframes":{"opacity":[0,1]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-224cc273-7994-4558-ad0e-2447dcea9e95","keyframes":{"transform":["translate3d(114.55696%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b75255cf-9181-4369-8231-511e5d190066","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8bedd414-f42d-493b-a8c8-9dd3cdd0fd3c","keyframes":{"transform":["translate3d(-115.92356%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-45658575-8d4c-4270-a3bd-d157764b1ad9","keyframes":{"opacity":[0,1]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-14f89c57-0b2b-4872-b7a8-2934fcac6e30","keyframes":{"transform":["translate3d(0px, -155.17892%, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Hadoop includes components like HDFS, MapReduce, and YARN. It's used for distributed storage and processing of Big Data.

What are Some of The Key Big Data Tools

[{"selector":"#anim-6b00b5ee-5248-4433-a865-451537f5f295","keyframes":{"opacity":[0,1]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-710a244d-acb7-48de-b34b-77901d5be6b0","keyframes":{"transform":["translate3d(115.18987%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-29f16b8e-303c-4e49-a9e1-c80c886e8140","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-efc0518e-e985-4294-aa71-2df79bd3ebf2","keyframes":{"transform":["translate3d(-115.50632%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1f7dbf62-c8f4-47de-8caa-9be8652662d2","keyframes":{"opacity":[0,1]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1288b4bd-5306-4c86-97bd-3eefc3e1b046","keyframes":{"transform":["translate3d(0px, -163.16316%, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e2ae06c4-dc13-483b-ae41-1830bbb9b332","keyframes":{"opacity":[0,1]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cc2c71e7-81fa-4f1a-89e9-df95ce347cd3","keyframes":{"transform":["translate3d(0px, 287.3737%, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":800,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d25ea899-9c56-4180-a49b-2aac509daef2","keyframes":{"opacity":[0,1]},"delay":500,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-43ca9814-4bd4-4f41-8ca8-ba6f83842d51","keyframes":{"transform":["translate3d(0px, 261.83605%, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Common tools include Hadoop, Spark, Kafka, and Hive. Each serves different purposes in data processing and analysis. Read More

What are Some of the Real-World Applications

[{"selector":"#anim-f75a7d3d-7b3c-49e7-a938-a72c5baea4ee","keyframes":{"opacity":[0,1]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f3ab8b71-0368-48f2-b79f-89f71237496f","keyframes":{"transform":["translate3d(114.87342%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-efe85b43-325c-4541-b5dc-15f5d0785aef","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8e1e0a0a-5a7b-4aec-b24e-8a8c4d854351","keyframes":{"transform":["translate3d(-115.28663%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b58c3a30-ea8a-4fe6-ab8e-1a2bd4238bb0","keyframes":{"opacity":[0,1]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-39ba8f4b-9768-456a-a0f3-cc686b65a971","keyframes":{"transform":["translate3d(0px, -139.86459%, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Big Data is used in industries like finance for fraud detection and in healthcare for predictive analytics, enhancing operational efficiency and decision-making.

Conclusion

[{"selector":"#anim-8f9fd027-f89f-4652-b8c3-3e5d0e16cbe1","keyframes":{"opacity":[0,1]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2a50c27b-9ae8-4882-8339-a320de2bc0b9","keyframes":{"transform":["translate3d(114.87342%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-68061e3b-e199-427c-bd92-c4d6605e0bdf","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1a506857-9f6b-421f-982f-216f6018587c","keyframes":{"transform":["translate3d(-115.28663%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6954e143-64aa-49c7-93d4-ac452bf43a74","keyframes":{"opacity":[0,1]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7065b48c-8c28-47c2-9a76-5e527a111b59","keyframes":{"transform":["translate3d(0px, -96.66415%, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":1500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Mastering Big Data concepts and tools is crucial for acing interviews. Focus on practical applications and technical skills for success.