Visa interview questions
Online test → Technical·63% entry level
CS fundamentals
Showing 34 of 274 reported in this area
What is the difference between a process and a thread?
What are the different types of software testing?
Explain the diamond problem in inheritance and how it can be resolved.
Differentiate between a thread and a process.
What are primary keys and foreign keys in SQL?
Explain the four pillars of Object-Oriented Programming.
What are the advantages and disadvantages of cloud computing?
Explain arrays and linked lists, and compare stacks and queues.
Explain the phases of the Software Development Life Cycle (SDLC).
Write an SQL query to find the second highest salary from an employee table.
How does virtual memory work?
Explain mode switching in UNIX
Explain how HTTPS works in detail.
Explain single-user system in UNIX
Explain the working of IDS and IPS
What are alternatives to REST APIs?
Explain the core concepts of React.js.
Explain different normal forms in DBMS.
Explain common types of network attacks.
Explain how server load balancing works.
Explain the complete working of a router.
Explain the JavaScript execution sequence.
Explain the lifecycle of a React component
Explain the lifecycle and flow of Servlets.
Explain the operating system booting process.
How do you handle transactions in a database?
Explain LAN networking and socket connections.
Explain how a web application works end to end.
Explain the components of the Hadoop ecosystem.
Explain the SOLID principles of software design.
How do you achieve asynchronicity in JavaScript?
Answer conceptual questions on DBMS fundamentals.
Explain the basics of Artificial Neural Networks.
What are virtual functions and why are they used?
DSA
Showing 12 of 157 reported in this area
Snake and Ladder Problem
Special Keyboard problem
Merge overlapping intervals
Implement a doubly linked list.
Graph Connectivity With Threshold
Find the largest sum contiguous subarray
Optimize addition of values in an array.
Count the number of k-diff pairs in an array.
Find palindromic substrings in a given string.
Find whether two singly linked lists intersect
Solve problems based on linked lists and arrays.
Add two numbers without using arithmetic operators
System design
Showing 6 of 40 reported in this area
Design a new cryptographic algorithm.
How does a load balancer work?
Design a Hostel Management System.
Design an IoT communication protocol.
How can DoS attacks on servers be prevented?
Design the software for a water bottle system.
Behavioural
Showing 3 of 22 reported in this area
Describe a challenging situation in a team and how you handled it
If you are leading a group, how would you coordinate with team members and distribute work effectively?
If a deadline is tomorrow but the priority is maintaining existing code, how would you handle the situation?
Puzzles
Showing 3 of 14 reported in this area
How many times do the hour and minute hands overlap in 24 hours?
How can you make 3 equilateral triangles using 6 matchsticks without breaking them?
A man goes to a bar, the bartender shows him a gun, and the man leaves. Explain the scenario.
Aptitude
Showing 2 of 3 reported in this area
Given a plane and n straight lines, what is the maximum number of regions that can be formed?
What is the probability that a person is color blind or not?
Showing 60 of 423 questions. Ranked by how often the same question came back across reports.
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What questions does Visa ask?
Candidate interview reports most often cover CS fundamentals (54%) and DSA (31%).
How many rounds does Visa interview have?
Candidate interview reports show an average of 3.2 rounds per experience, with a typical sequence of Online test → Technical. Individual interview paths can vary.
Is the Visa interview hard?
Among questions with a reported difficulty, the mix is easy 41%, medium 53%, hard 5%.