Prepfully logo
  • Browse Coaches
  • Login
BetaTry Out Our New AI Mock Interviewer – Your Smartest Way to Ace Any Interview!Try Our AI Mock Interviewer
Try Now
NewRegister as a coach and get a $100 bonus on your first completed session if you're on the Prepfully Request for Coaches list.Coach $100 Bonus
Read More
LimitedEaster Deal: Heavy discounts on all Prepfully sessions.Easter Deal: Discounts
Book Now

Your AI Wingman for your next interview

The most comprehensive bank Interview Answer Review tooling available online.

Cutting-edge AI technology meets personalized feedback. Improve your interview answers with insightful guidance provided by a model trained against more than a million human-labelled interview answers.
  • Company rubrics
  • Role-level optimisations
  • Trained on 1mil+ answers
Coding
a year ago
How do you approach calculating the dot product for a pair of sparse matrices?
Data ScientistMachine Learning Engineer

VeriSign

Tesla

Postmates

Test with AI interviewer
Get answer reviewed by AI
a year ago
Coding
a year ago
What algorithm would you use to write a function for finding the longest path in a DAG?
Data ScientistMachine Learning Engineer

VeriSign

Scribd Logo

Scribd

Plaid Logo

Plaid

Test with AI interviewer
Get answer reviewed by AI
a year ago
ML Knowledge
a year ago
Could you discuss some common methods used in Time Series Forecasting?
Data Scientist

VeriSign

Careem Logo

Careem

GoCardless Logo

GoCardless

Test with AI interviewer
Get answer reviewed by AI
a year ago
SQL
a year ago
How would you distinguish between left join, union, and right join in the context of SQL queries?
Data Scientist

VeriSign

Benchling Logo

Benchling

Illumina Logo

Illumina

Test with AI interviewer
Get answer reviewed by AI
a year ago
Behavioral
2 years ago
Describe a project you're really proud of.
Data ScientistTechnical Program ManagerSoftware EngineerProduct Manager

VeriSign

Electronic Arts Logo

Electronic Arts

Dropbox Logo

Dropbox

Test with AI interviewer
Get answer reviewed by AI
2 years ago
SQL
2 years ago
Can you walk me through your optimization strategy for a slow SQL query?
Data Scientist

VeriSign

Twitch Logo

Twitch

Grafana Labs Logo

Grafana Labs

Test with AI interviewer
Get answer reviewed by AI
2 years ago
Statistics
2 years ago
Can you describe an approach for breaking down errors in a machine learning model into bias and variance components?
Data Scientist

VeriSign

Convoy Logo

Convoy

Rakuten Logo

Rakuten

Test with AI interviewer
Get answer reviewed by AI
2 years ago
Behavioral
2 years ago
Tell me about a time when you failed at work.
Data ScientistTechnical Program ManagerSoftware EngineerML Engineering Manager

VeriSign

Capital One Logo

Capital One

TuSimple Logo

TuSimple

Test with AI interviewer
Get answer reviewed by AI
2 years ago
ML Knowledge
2 years ago
How do the K-means algorithm and the Expectation-Maximization (EM) algorithm contrast with each other?
Data Scientist

VeriSign

Chewy Logo

Chewy

Wayfair Logo

Wayfair

Test with AI interviewer
Get answer reviewed by AI
2 years ago
ML CaseML Knowledge
2 years ago
Illustrate how the Monte Carlo method can estimate the value of Pi.
Data ScientistMachine Learning Engineer

VeriSign

Grafana Labs Logo

Grafana Labs

Chewy Logo

Chewy

Test with AI interviewer
Get answer reviewed by AI
2 years ago

Question of the week

We'll send you a weekly question to practice for:

Showing 61 to 70 of 162 results

Previous56789Next

*All interview questions are submitted by recent VeriSign Data Scientist candidates, labelled and categorized by Prepfully, and then published after being verified by Data Scientists at VeriSign.

  • Meta Data Engineering Manager Interview
  • Canva Frontend Engineer Interview
  • Product Management: Product Execution Interviews Deepdive
  • Google Engineering Manager Code Review Interview
  • Meta Senior vs Staff Engineer Interview Expectations
  • Atlassian Software Engineer Interview
  • Company
  • FAQs
  • Contact Us
  • Become An Expert
  • Services
  • Practice Interviews
  • Interview Guides
  • Interview Questions
  • Watch Recorded Interviews
  • Gift sessions
  • AI Interview
  • Social
  • Twitter
  • Facebook
  • LinkedIn
  • YouTube
  • Legal
  • Terms & Conditions
  • Privacy Policy
  • Illustrations by Storyset

© 2025 Prepfully. All rights reserved.

Prepfully logo

Please log in to view more questions.

Not a member yet? Sign up for free.