Arista Networks Softwaretest Engineer Interview Questions and Answers

Dsa round on hackerrank

Q1. Dsa and technical round
Add your answer
Q2. Tree transversal
Add your answer

Q1. Data structure algorithm questions related to various scenarios
Add your answer
Q2. DS Algo related questions which revolved around different scenarios
Add your answer

Q1. What is tuple and list
Ans. 
Tuple and list are data structures in Python. Tuple is immutable and ordered, while list is mutable and ordered.
• Tuple is immutable, meaning its elements cannot be changed after creation

• List is mutable, meaning its elements can be changed after creation

• Tuple is ordered, meaning it maintains the order of elements

• List is ordered, meaning it maintains the order of elements

• Example of tuple: (1, 2, 3)

• Example of list: [1, 2,
Answered by AI
Add your answer

Q1. Find a duplicate in a String OOPs concept Java 8 features
Ans. 
The question is about finding a duplicate in a string.
• Convert the string into an array of characters

• Create a HashSet to store unique characters

• Iterate through the array and check if each character is already present in the HashSet

• If a character is already present, it is a duplicate
Answered by AI
Add your answer

Q1. Java OOPs concept Comparator vs Comparable Streams Lambda Expression
Ans. 
Comparator vs Comparable, Streams, Lambda Expression
• Comparator and Comparable are interfaces used for sorting objects in Java

• Comparator is used for custom sorting logic, while Comparable is used for natural sorting order

• Streams are a sequence of elements that can be processed in parallel or sequentially

• Lambda expressions are used to write concise and functional code in Java
Answered by AI
Add your answer

Q1. System Desing of Network Management System
Ans. 
A network management system is designed to monitor and control network devices and ensure their efficient operation.
• The system should have a centralized dashboard to display real-time network status and performance metrics.

• It should support automated network discovery and device configuration management.

• The system should provide alerts and notifications for network events and failures.

• It should have the ability to gene...read more
Answered by AI
Add your answer

Q1. Background why Tejas Salary Discussion
Add your answer

Basic java mcq, Java Hibernate Spring MVC framework questions

Coding test was comprising of mcq based questions on db, oops, c++ and java

Q1. It was a high intense interview. Interview starts with introduction and some resume based questions. Then, followed by deep networking and os based questions. Then, dsa questions were asked specifically on...read more
Add your answer

Q1. It was also a tough one. Questions were specifically on project based of the resume and other questions were on btech curriculum, subjects, and experience.
Add your answer

Q1. HR was easy. Questions were only about relocation and package breakup. But remember that they can put you in waiting and when needed they can call for another interview. So mark this and all the best.
Add your answer

Q1. What is incremental load and how it works?
Ans. 
Incremental load is a process of updating a data warehouse or database by adding only the new or modified data.
• Incremental load is used to minimize the amount of data that needs to be processed and loaded.

• It involves identifying the changes in the source data and applying those changes to the target system.

• Common techniques for incremental load include using timestamps, change data capture, or comparing checksums.

• For e...read more
Answered by AI
View 1 more answer
Q2. What is the differences between keep and join ?
Ans. 
Keep and join are both used in programming, but they have different meanings and purposes.
• Keep is a method used to filter elements from a collection based on a condition.

• Join is used to combine elements from two or more collections based on a common attribute.

• Keep returns a new collection with only the elements that satisfy the condition.

• Join combines elements from multiple collections into a single collection.

• Keep is ...read more
Answered by AI
View 1 more answer
Q3. What is synthetic Key and how to remove them ?
Ans. 
A synthetic key is a composite key created when two or more tables have multiple common fields.
• Synthetic keys occur when there is a many-to-many relationship between tables.

• They can be removed by resolving the underlying data model issues.

• One way to remove synthetic keys is by creating a bridge table to represent the many-to-many relationship.

• Another approach is to concatenate the common fields to create a unique key.

• S...read more
Answered by AI
View 1 more answer