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NTT DATA, Inc. fresher Interview Questions and Answers
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Anonymous
I applied via Recruitment Consulltant and was interviewed before Jun 2021. There was 1 interview round.
(2 Questions)
- Q1. Where do we use BigInteger in java ?
- Ans.
BigInteger is used for mathematical operations involving very large integers in Java.
BigInteger is used when the range of values supported by primitive data types like int and long is not sufficient.
It is commonly used in cryptography and security applications.
It provides methods for arithmetic, bitwise, and logical operations on large integers.
Example: calculating factorial of a large number, generating large prime nu
- Q2. Merge Sort Algo code in java
- Ans.
Merge Sort Algo code in java
Divide the array into two halves
Recursively sort the two halves
Merge the sorted halves
Time complexity: O(n log n)
Interview Preparation Tips
- Core Java
- DSA
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Jan 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Java Basic questions and Git
Interview Preparation Tips
I applied via Walk-in and was interviewed before May 2020. There was 1 interview round.
Interview Questionnaire
4 Questions
- Q1. Asked to rate myself in various skills
- Q2. Rated myself
- Q3. Cobol - static vs dynamic call, move corresponding, simple stuff
- Q4. Jcl - searching a substring in sort, gdg concepts for DB2 - program preparation, few SQL queries, types of vsam, tools like changeman...
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Nov 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. What do you know about IBM?
Interview Preparation Tips
Can you show me examples of projects I’d be working on?
What are the biggest challenges that someone in this position would face?
Interview Questionnaire
1 Question
- Q1. There were four interview rounds and one test like versant English test
Interview Questionnaire
1 Question
- Q1. Regarding previous work experience
I applied via Naukri.com and was interviewed in Jan 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Azure migration steps from onprem to cloud, Hyper V migration, VMWARE tool we used for migration
- Ans.
Steps for Azure migration from onprem to cloud and Hyper V migration using VMWARE tool.
Assess on-premises environment
Choose appropriate migration method
Prepare Azure environment
Migrate data and applications
Optimize and secure migrated resources
VMware tool used for migration: VMware vCenter Converter
Hyper-V migration can be done using Azure Site Recovery
Interview Preparation Tips
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed before Jul 2021. There was 1 interview round.
(2 Questions)
- Q1. Request library in python
- Ans.
Python has a built-in module called 'requests' for making HTTP requests to APIs and websites.
To use the requests module, first install it using pip
Then import the requests module in your Python script
Use the requests.get() method to make a GET request to a URL
Use the requests.post() method to make a POST request to a URL
Use the requests.put() method to make a PUT request to a URL
Use the requests.delete() method to make
- Q2. Pickling technique in python
- Ans.
Pickling is a technique in Python used to serialize and deserialize objects.
Pickling is used to convert a Python object into a byte stream.
The pickle module is used for pickling and unpickling.
The pickle.dump() method is used to pickle an object.
The pickle.load() method is used to unpickle an object.
Pickling is useful for storing and transmitting data between different Python programs.
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Aug 2021. There was 1 interview round.
(1 Question)
- Q1. For 1 year experience, 1. core java concepts 2. selenium commands 3. testNG and Maven concepts
Interview Preparation Tips
I applied via Company Website and was interviewed before Nov 2020. There were 3 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Typing test speed of 30 words per minute and HR interview round interview
- Q2. HR interview self introduction and reasons for gap in employment
- Q3. HR round interview final
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