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NetConnectGlobal Hadoop Administrator Interview Questions and Answers
NetConnectGlobal Hadoop Administrator Interview Experiences
1 interview found
Anonymous
(1 Question)
- Q1. Configuration files in Hadoop
- Ans.
Configuration files in Hadoop
Hadoop uses XML-based configuration files
The main configuration file is core-site.xml
Other important configuration files are hdfs-site.xml, yarn-site.xml, and mapred-site.xml
Configuration files can be edited manually or through Hadoop's web UI
Changes to configuration files require a restart of the affected Hadoop services
(1 Question)
- Q1. What is your short rearm and long term goal
- Ans.
My short term goal is to gain more experience in Hadoop administration. My long term goal is to become a lead Hadoop administrator.
Short term goal: Gain more experience in Hadoop administration
Long term goal: Become a lead Hadoop administrator
Examples: Work on complex Hadoop projects, learn new Hadoop tools and technologies, mentor junior Hadoop administrators
Interview Preparation Tips
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Naukri.com and was interviewed in Nov 2020. There were 5 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Everything on java spring sql
- Q2. Don’t waste your time as i did
Interview Preparation Tips
(3 Questions)
- Q1. Oops concepts, lots of java
- Q2. In depth about Microservices
- Q3. About why I want to join
(1 Question)
- Q1. Asked about Java,spring MVC,code snippets asked foroutput
(1 Question)
- Q1. About rest template angular spring boot
(1 Question)
- Q1. This round is withmanager about technical
(1 Question)
- Q1. Salary discussion with hr policies
(1 Question)
- Q1. No round was happened
Interview Preparation Tips
Two coding round in Javascript, first one to right CRUD operation in React.
Second one have to right JS for Flattened Array
(1 Question)
- Q1. Asking about Salary Structure
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed before Apr 2023. There were 3 interview rounds.
(1 Question)
- Q1. Wat is singleton class, difference bw hashmap and concurrent hashmap
- Ans.
Singleton class is a class that can only have one instance, while HashMap is not thread-safe but ConcurrentHashMap is.
Singleton class restricts instantiation to one object, ensuring a single instance throughout the application.
HashMap allows multiple threads to access and modify it concurrently, which can lead to data corruption in a multi-threaded environment.
ConcurrentHashMap is thread-safe and allows multiple thread...
(1 Question)
- Q1. Had questions related to data structures
(1 Question)
- Q1. Related to work culture and salary related details
Interview Preparation Tips
- Data Structures
- Algorithms
- Java 8
- Spring Boot
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed in Jun 2024. There were 3 interview rounds.
(1 Question)
- Q1. Finding the second maximum number in the list
- Ans.
To find the second maximum number in a list, sort the list in descending order and return the second element.
Sort the list in descending order
Return the second element in the sorted list
(1 Question)
- Q1. Loops in Informatica
- Ans.
Loops in Informatica are used to iterate over a set of data or perform repetitive tasks.
Loops in Informatica can be implemented using the 'Expression' or 'Router' transformations.
They are useful for processing multiple rows of data in a mapping.
Common types of loops include 'While' and 'For' loops.
Loops can help in performing complex data transformations and validations.
(1 Question)
- Q1. What is the reason for change
Skills evaluated in this interview
It was medium level question
(1 Question)
- Q1. It was regarding react-native
Interview Questionnaire
1 Question
- Q1. Internal working of hashmap, multi Thread,DSA and Coding.
- Ans.
Question on internal working of hashmap, multi-threading, DSA, and coding.
HashMap is a data structure that stores key-value pairs and uses hashing to retrieve values quickly.
Multi-threading is the ability of a CPU to execute multiple threads concurrently.
DSA stands for Data Structures and Algorithms, which are fundamental concepts in computer science.
Coding involves writing instructions in a programming language to cre
Skills evaluated in this interview
I applied via Referral and was interviewed before Jun 2021. There were 4 interview rounds.
(1 Question)
- Q1. General Java, springboot and oops
(1 Question)
- Q1. Managerial round with Technical Lld and design related questions
(1 Question)
- Q1. Client round technical LLD AND HLD questions
(1 Question)
- Q1. HR discussion about salary and client details
Interview Preparation Tips
- Java 8
- Spring Boot
- Hibernate
- React.Js
- Oracle
- MySQL
- Kafka
- JPA
- JDBC
- Rx java
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NetConnectGlobal Hadoop Administrator Interview Process
based on 1 interview
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