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Visa Interview Questions and Answers
158 Interview questions
Agentic AI refers to autonomous systems capable of making decisions and taking actions independently.
Agentic AI systems can operate without human intervention, such as self-driving cars.
They utilize machine learning algorithms to adapt and improve over time.
Examples include virtual personal assistants like Siri or Alexa that learn user preferences.
Agentic AI can be applied in various fields, including finance for ...
SOX ensures financial transparency and compliance, while internal audit evaluates risk management and operational efficiency.
SOX (Sarbanes-Oxley Act) focuses on financial reporting and accountability for public companies.
Internal audit assesses the effectiveness of internal controls and risk management processes.
SOX compliance requires external audits to verify financial statements, while internal audits are condu...
IT General Controls (ITGC) ensure the integrity and security of IT systems, categorized into preventive, detective, and corrective controls.
Preventive Controls: Aim to prevent errors or fraud. Example: Access controls that restrict unauthorized users.
Detective Controls: Identify and alert on errors or irregularities. Example: Audit logs that track user activities.
Corrective Controls: Address and rectify issues aft...
Object-Oriented Programming (OOP) is a programming paradigm based on the concept of objects, encapsulating data and behavior.
Encapsulation: OOP allows bundling of data and methods that operate on that data within a single unit, or class. For example, a 'Car' class can encapsulate properties like 'color' and methods like 'drive()'.
Inheritance: This principle enables a new class to inherit properties and methods fro...
What people are saying about Visa
Scala is a powerful programming language that combines object-oriented and functional programming paradigms.
Scala runs on the Java Virtual Machine (JVM) and is interoperable with Java.
It supports both object-oriented and functional programming styles.
Example of a simple Scala function: `def add(a: Int, b: Int): Int = a + b`.
Scala has a strong static type system, which helps catch errors at compile time.
Collections...
A closure in Python is a function that retains access to its lexical scope, even when the function is executed outside that scope.
A closure is created when a nested function captures the local variables from its enclosing function.
Example: def outer_func(x): def inner_func(y): return x + y; return inner_func; closure = outer_func(10); closure(5) returns 15.
Closures help in data hiding and encapsulation, allowing f...
Monitoring network performance involves tracking metrics like bandwidth, latency, and packet loss to ensure optimal operation.
Use network monitoring tools like Nagios or Zabbix to track performance metrics.
Implement SNMP (Simple Network Management Protocol) for real-time monitoring of network devices.
Analyze traffic patterns with tools like Wireshark to identify bottlenecks.
Set up alerts for unusual activity or pe...
Design a credit card fraud detection system using machine learning techniques to identify and prevent fraudulent transactions.
Data Collection: Gather historical transaction data, including features like transaction amount, location, time, and user behavior.
Feature Engineering: Create features such as transaction frequency, average transaction amount, and user spending patterns.
Model Selection: Use algorithms like ...
Create a function to generate a transaction bin column based on transaction amounts.
Create bins based on transaction amounts (e.g. $0-$100, $101-$200, etc.)
Use pandas cut() function in Python to create bins
Assign bin labels to the transactions based on the bin ranges
I possess a diverse skill set in various technologies, with a strong focus on software development and system architecture.
Proficient in Python and Java, having developed multiple web applications using Django and Spring frameworks.
Experienced in cloud technologies like AWS and Azure, successfully migrating on-premise applications to the cloud.
Skilled in database management with SQL and NoSQL databases, including ...
Visa Interview Experiences
146 interviews found
Anonymous
Interview Questionnaire
23 Questions
- Q1. First he told me about himself, then he asked about project
- Q2. My one project was basic UNIX shell,so he asked me to make one and try to illustrate(mainly focus on FORK and EXEC)
- Q3. SDLC from software engg
- Q4. Tell me about yourself and then project..(try to elaborate project as much as u can)
- Q5. Digital Signature (Don’t start with its definition,always start with situation/example considering there is no digital signature and then its use and importance )
- Q6. D-dos attack and how to stop it.(i told it with help of IDS and IPS)
- Q7. Explain working of IDS and IPS
- Ans.
IDS and IPS are security systems that monitor network traffic for malicious activity and prevent attacks.
IDS (Intrusion Detection System) detects and alerts about potential attacks by analyzing network traffic and comparing it to known attack patterns.
IPS (Intrusion Prevention System) goes a step further by actively blocking malicious traffic and preventing attacks from happening.
Both systems use a combination of signa...
- Q8. Context switching,Starvation ,aging (Again try to explain)
- Q9. Difference b/w Micro kernel and macro kernel
- Ans.
Microkernel is a minimalistic approach where only essential services are kept in kernel space while macrokernel has more services in kernel space.
Microkernel has a small kernel with minimal services while macrokernel has a large kernel with many services.
In microkernel, most services run in user space while in macrokernel, most services run in kernel space.
Microkernel is more secure and reliable while macrokernel is fa...
- Q10. Difference b/w argument and parameter
- Ans.
Argument is the actual value passed to a function, while parameter is a variable used to define a function.
Parameter is a variable in the function declaration, while argument is the actual value passed to the function.
Parameter is used to initialize the function's variables, while argument is used to pass values to the function.
Example: function add(a, b) { return a + b; } add(2, 3); Here, a and b are parameters, while...
- Q11. Indexes in DBMS
- Ans.
Indexes in DBMS are used to improve the performance of database queries.
Indexes are data structures that allow for faster retrieval of data from a database.
They work by creating a separate structure that contains a subset of the data in the table, organized in a way that makes it faster to search.
Indexes can be created on one or more columns in a table.
Examples of indexes include primary keys, unique indexes, and clust...
- Q12. Diff b/w Interface and Abstract class
- Ans.
Interface is a blueprint of a class while Abstract class is a partially implemented class.
An interface can only have abstract methods while an abstract class can have both abstract and non-abstract methods.
A class can implement multiple interfaces but can only inherit from one abstract class.
Interfaces are used to achieve multiple inheritance while abstract classes are used to provide a common base for related classes.
...
- Q13. Different topology in networking
- Ans.
Different topology refers to the arrangement of nodes in a network.
Common topologies include bus, star, ring, mesh, and hybrid
Bus topology connects all devices to a single cable
Star topology connects all devices to a central hub
Ring topology connects devices in a circular loop
Mesh topology connects devices in a network where each device has a direct connection to every other device
Hybrid topology is a combination of tw...
- Q14. Where should u prefer BUS topology instead of ring topology and vice verse
- Ans.
BUS topology is preferred for small networks while ring topology is preferred for larger networks.
BUS topology is easier to install and maintain than ring topology.
Ring topology is more fault-tolerant than BUS topology.
BUS topology is suitable for small networks with few devices while ring topology is suitable for larger networks with many devices.
Ring topology is more expensive than BUS topology.
Examples of BUS topolo...
- Q15. Que from unix-
- Q16. SDLC and different type of model and steps in different model
- Ans.
SDLC refers to the process of software development. Different models include Waterfall, Agile, Spiral, and V-Model.
Waterfall model follows a linear sequential approach with distinct phases like planning, design, development, testing, and maintenance.
Agile model emphasizes on iterative and incremental development with continuous feedback and collaboration between cross-functional teams.
Spiral model combines the elements...
- Q17. Situation que – Client want his project in very small time span,then which SDLC model will u prefer…(i answered him PROTOTYPE model but this was wrong ,correct is RAD model,but try to explain any model u ...
- Q18. Analytic que- Two trains start from equator and start running in different direction and they will never collide…so which train will have more wear n tear first…9use concept of rotation,relative motion an...
- Ans.
Two trains starting from equator in opposite directions will not collide. Which train will have more wear and tear first?
The train moving towards the east will have more wear and tear due to the rotation of the earth
The train moving towards the west will have less wear and tear due to the rotation of the earth
Air resistance will also affect the wear and tear of the trains
The train moving towards the east will face more...
- Q19. Lateral thinking que- A man went to a bar and as he reached to bar-tender,bar-tender showed him a gun and that man left that bar…explain scenario. I had only two technical rounds but some of my frndz had ...
- Q20. XSS attack
- Q21. JSON
- Q22. Digital Certificate
- Q23. OOPs concept
Interview Preparation Tips
Experience: Assessment Composition:
1. Coding Skills: 2 Questions (One que is from DP(easy one like 0-1 knapsack) and other is array)
2. Programming: 10 Questions
3. Machine Learning Hadoop MCQ: 6 Questions
4. Networking MCQ: 6 Questions
5. Operating System: 6 Questions
6. Infrastructure: 6 Questions
7. Application Security: 6 Questions
Round: Technical Interview
Experience: Que from unix- 1-Mode switching 2-Single User system(i had no idea about this que,but i tried to explain it with pseudo terminal and we restrict its value to 1). 3-Find a pattern in a file(use grep). 4- cat command and how can we use it for input to a file (explain).
Round: HR Interview
Experience: Tell me about yourself. Tell something about school life (Prepare some fiction out of box story for this que). Why should we hire you.Where do you see yourself in next 5 yr. Any plan for Post-graduation(M.S)..(play diplomatically in this ans). One puzzle of 8 balls containing one defective ball and then some condition like u don’t know whether defective ball is light or heavy than others.That’s all about my experience.
General Tips: Prepare CRYPTOGRAPHY and try to ans as much as u can and in details, even if u dont have enough knowledge about that que…ALL THE BEST
College Name: NA
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Jul 2024. There were 3 interview rounds.
(2 Questions)
- Q1. HR will call you and ask your current roles and responsibilities ?
- Q2. Job designation senior system engineer (IAM, Azure portal, SaaS Applications, API integrations, Vulnerability Management)
(7 Questions)
- Q1. Do you anything related vulnerability management?
- Ans.
Vulnerability management involves identifying, assessing, and mitigating security weaknesses in systems and applications.
Conduct regular vulnerability assessments using tools like Nessus or Qualys.
Prioritize vulnerabilities based on risk and impact, such as CVSS scores.
Implement patch management processes to address identified vulnerabilities promptly.
Utilize threat intelligence to stay informed about emerging vulnerab...
- Q2. How do you support application for sso enablement?
- Ans.
Supporting application for SSO enablement involves configuring authentication settings, integrating with identity providers, and testing functionality.
Configure authentication settings within the application to enable SSO
Integrate the application with identity providers such as Okta, Azure AD, or PingFederate
Test the SSO functionality to ensure seamless user experience
Provide documentation and training for users on how...
- Q3. Haw you handle outages and any regular task you performed?
- Ans.
I handle outages by following established procedures and prioritize tasks based on impact.
Immediately assess the situation to determine the root cause of the outage
Communicate with stakeholders to keep them informed of the issue and expected resolution time
Work with cross-functional teams to troubleshoot and resolve the outage as quickly as possible
Document the outage incident and steps taken for future reference and i...
- Q4. How you deal with change management?
- Ans.
I handle change management by implementing structured processes, communication, and stakeholder involvement.
Implementing a change management process to track and document changes
Communicating changes effectively to all stakeholders
Involving key stakeholders in decision-making and planning
Ensuring proper testing and validation of changes before implementation
- Q5. How do you enable sso for applications for saas?
- Ans.
Enable SSO for SaaS applications by integrating with identity providers and configuring authentication protocols.
Integrate with identity providers such as Okta, Azure AD, or Google Workspace
Configure authentication protocols like SAML, OAuth, or OpenID Connect
Implement single sign-on functionality in the application code
Ensure secure communication between the application and the identity provider
- Q6. What is RTO in disaster recovery?
- Ans.
RTO stands for Recovery Time Objective in disaster recovery, representing the targeted duration of time within which a business process must be restored after a disaster.
RTO is a crucial metric in disaster recovery planning, indicating the maximum acceptable downtime for a system or process.
It helps organizations determine the resources and strategies needed to recover from a disaster within a specific timeframe.
For ex...
- Q7. Which application you are using to connect servers?
- Ans.
I primarily use SSH (Secure Shell) to connect servers.
SSH (Secure Shell) is a widely used application for securely connecting to servers
Other applications like PuTTY, OpenSSH, and WinSCP can also be used for server connections
(4 Questions)
- Q1. Hiring manager will brief about jd and ask questions based on related job and you are working
- Q2. Do you vulnerability management?
- Ans.
Yes, I am experienced in vulnerability management.
I have experience in identifying, prioritizing, and mitigating vulnerabilities in systems and networks.
I am proficient in using vulnerability scanning tools such as Nessus, Qualys, and OpenVAS.
I have implemented patch management processes to address vulnerabilities in a timely manner.
I have conducted vulnerability assessments and penetration testing to identify weakness...
- Q3. You worked applications were connected or disconnected one?
- Ans.
I have experience working with both connected and disconnected applications.
I have experience developing applications that can function both online and offline.
I have worked on projects where data synchronization is crucial for seamless user experience.
Examples include mobile apps that can work offline and sync data when connected to the internet.
- Q4. Have you taken care of Authorization part?
- Ans.
Yes, I have experience in taking care of the Authorization part in various projects.
Implemented role-based access control (RBAC) to manage user permissions
Configured and managed authentication protocols such as OAuth and SAML
Worked on setting up access control lists (ACLs) for network security
Experience with managing user roles and permissions in Active Directory
Utilized single sign-on (SSO) solutions for seamless user...
Interview Preparation Tips
Skills evaluated in this interview
I applied via Job Portal
(2 Questions)
- Q1. Explain the react lifecycle functions and how they work
- Ans.
React lifecycle functions are methods that are automatically called at specific points in a component's life cycle.
Mounting: constructor, render, componentDidMount
Updating: render, componentDidUpdate
Unmounting: componentWillUnmount
- Q2. Css box model, difference between padding and margin
- Ans.
Padding is the space inside the border of an element, while margin is the space outside the border.
Padding is used to create space between the content and the border of an element.
Margin is used to create space between the border of an element and other elements.
Padding affects the size of the content area, while margin affects the positioning of the element.
Example: padding: 10px will create 10 pixels of space inside ...
(2 Questions)
- Q1. What are your salary expectations in CTC and variables?
- Q2. Will you relocate to the location required?
- Ans.
Yes, I am open to relocating for the right opportunity, as it can enhance my career and personal growth.
Relocation can provide exposure to new technologies and methodologies.
Living in a different city can broaden my professional network.
I am adaptable and enjoy new experiences, which relocation offers.
For example, moving to a tech hub can lead to better career prospects.
Interview Preparation Tips
Skills evaluated in this interview
I appeared for an interview in Apr 2025, where I was asked the following questions.
- Q1. What is the difference between sox and internal audit?
- Ans.
SOX ensures financial transparency and compliance, while internal audit evaluates risk management and operational efficiency.
SOX (Sarbanes-Oxley Act) focuses on financial reporting and accountability for public companies.
Internal audit assesses the effectiveness of internal controls and risk management processes.
SOX compliance requires external audits to verify financial statements, while internal audits are conducted ...
- Q2. What is ITAC? How are the ITACs scoped in? Give an example of testing three way match.
- Ans.
ITAC refers to Information Technology Application Controls, ensuring data integrity in financial processes.
ITACs are controls within IT systems that ensure the accuracy and reliability of financial data.
They are scoped in by identifying critical processes and assessing risks associated with data integrity.
Example of a three-way match: verifying that the purchase order, invoice, and receiving report all match before pro...
- Q3. What is key reports? How are Key reports scoped in? How are key reports tested?
- Ans.
Key reports are essential financial documents that provide insights for decision-making and performance evaluation.
Key reports include financial statements, variance analysis, and budget forecasts.
Scoping involves identifying the report's purpose, audience, and key metrics to be included.
Testing key reports includes validating data accuracy, ensuring calculations are correct, and confirming that the report meets user r...
- Q4. What are the various types of IT General Controls (ITGC), and can you specify the type of control associated with each, such as preventive, detective, etc.?
- Ans.
IT General Controls (ITGC) ensure the integrity and security of IT systems, categorized into preventive, detective, and corrective controls.
Preventive Controls: Aim to prevent errors or fraud. Example: Access controls that restrict unauthorized users.
Detective Controls: Identify and alert on errors or irregularities. Example: Audit logs that track user activities.
Corrective Controls: Address and rectify issues after th...
Vishwesh Dayama
(2 Questions)
- Q1. SQL Joins and remove duplicates
- Q2. Function to create a transaction bin column
- Ans.
Create a function to generate a transaction bin column based on transaction amounts.
Create bins based on transaction amounts (e.g. $0-$100, $101-$200, etc.)
Use pandas cut() function in Python to create bins
Assign bin labels to the transactions based on the bin ranges
I applied via Referral and was interviewed in Sep 2024. There was 1 interview round.
(3 Questions)
- Q1. Closures, setTimeout, Eventloop in javascript
- Q2. How to center a div in css3
- Ans.
To center a div in CSS3, use the 'margin: auto;' property along with a set width.
Set the width of the div
Use 'margin: auto;' to center the div horizontally
Make sure the parent container has a defined width
- Q3. Call , bind and apply functions in javascript
- Ans.
call, bind, and apply are methods used to manipulate the context of a function in JavaScript.
call() is used to invoke a function with a specified 'this' value and arguments provided individually.
bind() is used to create a new function with a specified 'this' value and initial arguments.
apply() is used to invoke a function with a specified 'this' value and arguments provided as an array.
Skills evaluated in this interview
(2 Questions)
- Q1. Spark question on optimization
- Q2. SQL writting and optimization
Vaishnavi
(2 Questions)
- Q1. What is impairment
- Ans.
Impairment refers to a reduction in the value of an asset on the balance sheet.
Impairment occurs when the carrying amount of an asset exceeds its recoverable amount.
It is typically recorded as a non-cash charge on the income statement.
Common examples include impairment of goodwill, intangible assets, and property, plant, and equipment.
- Q2. How do you reconcile mismatch between Gl and subledger
- Ans.
Reconciling GL and subledger involves identifying and resolving discrepancies between the two accounts.
Compare transactions in GL and subledger to identify discrepancies
Investigate any differences in balances or transactions
Adjust entries in GL or subledger to reconcile the accounts
Ensure proper documentation of reconciliation process
Communicate with relevant stakeholders to resolve discrepancies
(4 Questions)
- Q1. Introduction and experience demonstration in 1-1.5 minutes
- Q2. Why we should hire you?
- Q3. Articulate Product Strategy for a market migration/mass enablement
- Ans.
Develop a product strategy to enable mass migration in the market.
Conduct market research to identify target segments and their needs
Create a roadmap for product development and deployment
Implement marketing campaigns to educate and attract customers
Provide training and support for users transitioning to the new product
Monitor and analyze feedback to make continuous improvements
- Q4. Leadership style question with example
Create a Project Plan and Presentation on a Market Migration Case Study
(2 Questions)
- Q1. Same as round 1 questions
- Q2. Describe yourself in 3 words
Senior Software Development Engineer Interview Questions & Answers
leetcode account
posted on 25 Sep 2024
Selected
1. medium dp question on busrst ballon
2. graph quetion on flood fill
(2 Questions)
- Q1. Design File Search
- Ans.
Design a file search feature for a software application.
Implement a search bar where users can input keywords or phrases to search for files.
Include filters for file type, date modified, and other relevant criteria.
Display search results in a user-friendly format with relevant file details.
Allow users to preview files before opening or downloading them.
Consider implementing search suggestions or autocomplete functional...
- Q2. Design BookMyShow
- Ans.
Design a ticket booking platform for movies, events, and shows with user-friendly features and robust backend architecture.
User Registration: Allow users to create accounts using email or social media.
Search Functionality: Implement a search bar for users to find movies or events by name, genre, or location.
Event Listings: Display a list of available movies/events with details like time, venue, and ticket prices.
Seat S...
TrieNode common prefix
Graph dkistra algo find least time to fill
gomax
(2 Questions)
- Q1. Tell me about yourself
- Ans.
I am a dedicated and experienced Product Support Engineer with a strong background in troubleshooting and customer service.
Experienced in providing technical support for software and hardware products
Skilled in diagnosing and resolving customer issues in a timely manner
Strong communication skills to effectively communicate with customers and internal teams
Familiar with various troubleshooting tools and techniques
Passio...
- Q2. What does SQL stand for?
- Ans.
SQL stands for Structured Query Language.
SQL is a standard language for accessing and manipulating databases.
It is used to communicate with databases to perform tasks such as querying data, updating data, and creating tables.
Examples of SQL commands include SELECT, INSERT, UPDATE, DELETE, and CREATE.
Skills evaluated in this interview
Visa Interview FAQs
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