1,100+ FIS Interview Questions & Answers | Complete Prep Guide 2025

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Intern Interview Questions & Answers

Vishu Gupta

posted on 13 Sep 2020

I applied via Campus Placement and was interviewed in Aug 2020. There was 1 interview round.

Interview Questionnaire

7 Questions

Q1. What do you understand by Three way handshake ?

Ans.

Three way handshake is a method used in TCP/IP communication to establish a connection between a client and a server.

Three way handshake involves three steps: SYN, SYN-ACK, and ACK.
The client sends a SYN packet to the server to initiate the connection.
The server responds with a SYN-ACK packet, acknowledging the client's request.
Finally, the client sends an ACK packet to the server, confirming the connection establishme...

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Q2. Difference between SSL and TLS

Ans.

SSL and TLS are both cryptographic protocols used to secure internet communications.

SSL stands for Secure Sockets Layer and is an older protocol that has been largely replaced by TLS.
TLS stands for Transport Layer Security and is the successor to SSL.
TLS is more secure than SSL and offers better encryption algorithms.
TLS also supports newer protocols and ciphers, while SSL does not.
SSL is vulnerable to attacks such as ...

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Q3. On which layer switch and router work and their types ?

Ans.

Switches work on layer 2 and routers work on layer 3. Types of switches include unmanaged, managed, and layer 3 switches.

Switches work on layer 2 of the OSI model and routers work on layer 3.
Switches are used to connect devices within a network and forward data based on MAC addresses.
Types of switches include unmanaged, managed, and layer 3 switches.
Routers are used to connect different networks and forward data based ...

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Q4. CIA Triad and What will we lost in DOS attack ?

Ans.

CIA Triad ensures data security. DOS attack can cause loss of availability.

CIA Triad stands for Confidentiality, Integrity, and Availability.
It ensures data security by protecting against unauthorized access, alteration, and destruction.
DOS attack can cause loss of availability by overwhelming a system with traffic or requests.
This can result in the system becoming unresponsive or crashing, making the data unavailable...

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Q5. Which packets are used to perform DOS attack?

Ans.

Various types of packets can be used for DOS attacks, including SYN floods, UDP floods, and ICMP floods.

SYN floods involve sending a large number of SYN packets to overwhelm the target server's resources.
UDP floods involve sending a large number of UDP packets to consume the target server's bandwidth.
ICMP floods involve sending a large number of ICMP packets to flood the target server with traffic.
Other types of packet...

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Q6. Cryptography and its types

Ans.

Cryptography is the practice of secure communication in the presence of third parties.

Symmetric-key cryptography
Asymmetric-key cryptography
Hash functions
Encryption algorithms
Digital signatures

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Q7. Difference between MD5 and SHA 2

Ans.

MD5 is a hash function that produces a 128-bit hash value while SHA-2 is a family of hash functions that produce hash values of varying lengths.

MD5 produces a fixed-length hash value of 128 bits while SHA-2 produces hash values of 224, 256, 384, or 512 bits.
MD5 is considered less secure than SHA-2 due to its susceptibility to collision attacks.
SHA-2 is a family of hash functions that includes SHA-224, SHA-256, SHA-384,...

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Interview Preparation Tips

Interview preparation tips for other job seekers - Always focus to give answer in a well define manner. Don't give answer if you don't know. Read the basic questions from internet make a list of 1000 of interview question of the domain in which you wanna go.
Always find out more things about a topic like asked question to yourself like-
What is it ?
Why we use ?
What are the different types ?
Previous version of it if any and why it is not used now?
The latest version
Make a checklist of the attacks on the all common protocol.

Thanks I hope it will help you.

Skills evaluated in this interview

Intern Interview Questions asked at other Companies

Q1. Case. There is a housing society “The wasteful society”, you collect all the household garbage and sell it to 5 different businesses. Determine what price you will pay to the society members in Rs/kg, given you want to make a profit of 20% ... read more

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Testing Engineer Lead Interview Questions & Answers

Anonymous

posted on 3 Mar 2025

Interview experience

Good

Difficulty level

Hard

Process Duration

Less than 2 weeks

Result

No response

I was interviewed in Feb 2025.

Round 1 - Technical

(7 Questions)

Q1. What is the method to cut a cake into 8 pieces using only 3 cuts?

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Q2. What would be the code to sort an array containing both letters and numbers, such as {a, 1, 2, v, w, e, 3, 6, 7, 9}, so that all letters are on the left side and all numbers are on the right side?

Ans.

Sort an array of strings containing both letters and numbers, with letters on the left and numbers on the right.

Create two separate arrays for letters and numbers
Iterate through the original array and separate letters and numbers into their respective arrays
Combine the two arrays with letters first and numbers next

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Q3. What scenarios are typically classified as high severity but low priority?

Ans.

High severity but low priority scenarios are those that have a significant impact but can be addressed at a later stage.

User interface issues that do not affect critical functionality
Minor spelling or grammar errors
Non-critical performance issues
Low impact cosmetic defects

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Q4. What are the different types of project frameworks?

Ans.

Project frameworks are structures that provide guidelines and best practices for managing projects.

Waterfall model
Agile framework
Scrum methodology
Kanban method
Lean approach

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Q5. What classes do we utilize while coding?

Ans.

We utilize various classes while coding to organize and structure our code.

Classes help in organizing code into logical units
Classes can be used for creating objects with properties and methods
Inheritance allows classes to inherit properties and methods from other classes
Examples: String, Integer, List, HashMap

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Q6. What is your framework, and can you provide an explanation of it?

Ans.

Our framework is a hybrid framework combining data-driven and keyword-driven approaches for efficient and scalable testing.

Combines data-driven and keyword-driven testing
Allows for reusable test scripts and data separation
Supports automation of test cases with minimal coding
Enhances test coverage and scalability
Example: Using Excel sheets for test data and keywords for test actions

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Q7. What is the role of API testing, and how should one report the results of API testing?

Ans.

API testing is essential to ensure the functionality, reliability, performance, and security of APIs. Results should be reported clearly and comprehensively.

API testing involves testing the functionality, reliability, performance, and security of APIs by sending requests and validating responses.
Results of API testing should be reported in a clear and detailed manner, including information on test cases, test data, exp...

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Testing Engineer Lead Interview Questions asked at other Companies

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FIS Interview Questions and Answers for Freshers

Technical Support Engineer Interview Questions & Answers

Anonymous

posted on 4 Jan 2025

Interview experience

Good

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Not Selected

I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.

Round 1 - Technical

(2 Questions)

Q1. Work regarding your job profile

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Q2. Linux related questions

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Technical Support Engineer Interview Questions asked at other Companies

Q1. Admin Questions :- What is Relationships what are types of relationships

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What people are saying about FIS

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wildmimosa

works at

Oracle

Need help on company selection

Hi folks Please help to choose between Perfoce and FIS global both are offering the same salary

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Senior Customer Service Associate Interview Questions & Answers

Anonymous

posted on 2 Oct 2024

Interview experience

Excellent

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Selected

I applied via Referral and was interviewed in Sep 2024. There were 3 interview rounds.

Round 1 - Aptitude Test

Pronunciation and communication skills were checked

Round 2 - Technical

(4 Questions)

Q1. Introduction about yourself

Ans.

Experienced customer service professional with 5+ years in the industry. Skilled in handling customer inquiries and resolving issues efficiently.

5+ years of experience in customer service
Strong communication and problem-solving skills
Ability to handle customer inquiries and resolve issues efficiently
Proficient in using CRM systems and other customer service tools

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Q2. Why left the last job

Ans.

Seeking new challenges and opportunities for growth.

Desire for career advancement
Seeking new challenges
Opportunity for professional growth
Relocation
Company downsizing

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Q3. Work experience

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Q4. Speak for 2 mins about childhood memories

Ans.

Childhood memories are filled with joy, innocence, and adventure.

Playing with neighborhood friends until the street lights came on
Family vacations to the beach or mountains
Celebrating birthdays with homemade cakes and games
Exploring the backyard or local park for hidden treasures
Learning to ride a bike or swim for the first time

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Round 3 - HR