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NTT Communications Interview Questions and Answers
NTT Communications Interview Experiences
3 interviews found
Anonymous
Selected
Network aptitude test is taken and it was good
(1 Question)
- Q1. What is the vxlan?
- Ans.
VXLAN (Virtual Extensible LAN) is a network virtualization technology that enables the creation of virtualized Layer 2 networks over Layer 3 networks.
VXLAN encapsulates Layer 2 Ethernet frames within Layer 3 UDP packets.
It extends the scalability of VLANs by allowing up to 16 million virtual networks.
VXLAN uses a 24-bit segment ID called the VXLAN Network Identifier (VNI) to identify the virtual networks.
It is commonly...
Skills evaluated in this interview
Network Engineer Interview Questions asked at other Companies
I applied via Referral and was interviewed before Apr 2020. There were 3 interview rounds.
Interview Questionnaire
5 Questions
- Q1. Types of cabling
- Q2. Understanding of cooling and hot aisle cold aisle
- Q3. Understanding of compliance
- Q4. Server Types (Rack Servers, Blades (legacy env))
- Q5. Compliance understanding (ISO 27000, PCI DSS, HIPAA etc)
Interview Preparation Tips
Skills evaluated in this interview
Interview Questionnaire
1 Question
- Q1. Git, maven,Jenkins, Docker, Docker file, Docker swarm, Puppet, Ansible, Chef, Selenium, Nagios,,aws,rhel,Ubuntu, suse
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
I applied via Campus Placement and was interviewed before Jul 2021. There were 4 interview rounds.
Aptitude test on CS subjects like C programming, DBMS, CN, and OS.
There were 2 input-output based questions of easy to moderate level
Every candidate was given an individual topic and was asked to speak on it
(1 Question)
- Q1. Some typical HR questions
Interview Preparation Tips
I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Questions on Java,SQL,some trending technologies(IOT,Big data),pattern questions, programming questions with different approaches.
Interview Preparation Tips
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Java questions
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.
(3 Questions)
- Q1. Explain OOPs w.r.t Java
- Ans.
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
OOPs stands for Object-Oriented Programming System
Java is a class-based OOPs language
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs
Objects have state and behavior
Java supports interfaces, which allow for multiple inheritance
Example: A car can be represented as an object wit...
- Q2. Explain about the projects that you have worked on
- Q3. Explain how Java solves machine dependency of code execution
- Ans.
Java solves machine dependency by using bytecode and virtual machine.
Java code is compiled into bytecode which is platform-independent
The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific
JVM translates bytecode into machine code for the specific platform
This allows Java code to run on any platform with a JVM installed
Example: A Java program compiled on Windows can run on Linux or Mac as
(2 Questions)
- Q1. Why should we hire you?
- Q2. Tell me about yourself.
Interview Preparation Tips
- Java
Skills evaluated in this interview
I applied via Company Website and was interviewed before Jul 2021. There were 3 interview rounds.
Aptitude, reasoning, English, cloud sections
2 questions in which , one has to complete within an 50 minutes
(2 Questions)
- Q1. Tell me about t Yourself
- Q2. What are the previous experiences
Interview Preparation Tips
- Java
- SQL
- Agile Methodology
- SDLC
Keep it just and short
Explain more about your experiences
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
Numerical ability and logical reasoning followed by some coding mcqs
(1 Question)
- Q1. Print 1 to 100 without for loop
- Ans.
Printing 1 to 100 without for loop
Use recursion to print numbers from 1 to 99
Print 100 outside the recursion
Use a base case to stop recursion at 100
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
Simple aptitude test
(1 Question)
- Q1. General questions as per your cv
Interview Preparation Tips
- Aptitude
NTT Communications Interview FAQs
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