Arista Automation System Support Engineer Interview Questions and Answers for Freshers

Q1. What type of joins are used in your project ?
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Q2. Did you have knowledge on google cloud platform ?
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Q1. Introduction and educational background.
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Q2. Basic knowledge of technical
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Q1. Aboit yoir self abd Deep in tech abd about the process and
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Q2. If freshers then you will prepare about self and knowledge of technical
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Easy round you can qualify easily.

Normal GD where you have to speak

Q1. My CV was scrutinized
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Q2. My project were scrutinized
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Q1. Pls do interview schedule
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Q2. Html related questions
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Q3. Css related questions
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Q1. What is oops concepts in Java
Ans. 
Oops concepts in Java refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability of a method to do different things based on the object it is acting upon.

• Abstraction: Hiding the imp...read more
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Q2. What is a collections in java
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Collections in Java refer to classes and interfaces that implement data structures like lists, sets, and maps.
• Collections provide a way to store and manipulate groups of objects in Java

• Examples include ArrayList, LinkedList, HashSet, and HashMap

• Collections framework includes interfaces like List, Set, Map, and classes like ArrayList, HashSet, and HashMap
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Q3. What is list and set in java
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List and Set are both interfaces in Java used to store collections of elements, but with different characteristics.
• List is an ordered collection that allows duplicate elements, while Set is an unordered collection that does not allow duplicates.

• List implementations include ArrayList, LinkedList, and Vector, while Set implementations include HashSet, TreeSet, and LinkedHashSet.

• List allows access to elements by index, wh...read more
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Q4. Write. Program of palindrome program
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A palindrome program checks if a given string reads the same forwards and backwards.
• Create a function that takes a string as input

• Remove any spaces and convert all characters to lowercase

• Compare the string with its reverse to check if it is a palindrome
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Q5. Write a program of prime numbers
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Program to generate prime numbers
• Create a function to check if a number is prime

• Iterate through numbers and check for prime numbers

• Store prime numbers in an array
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Q6. What is inheritance and what is class and object
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Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class. A class is a blueprint for creating objects, while an object is an instance of a class.
• Inheritance allows a class to reuse code from another class, promoting code reusability and reducing redundancy.

• A class is a template or blueprint for creating objects, defining attributes and methods.

• An object...read more
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Coding round test in tech Mahindra

Q1. Network related questions
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Q2. Some hardware related questions
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Learn some coding language like python and Java
And SAP ABAP

Q1. What is the use of static word in java
Ans. 
Static keyword in Java is used to create class-level variables and methods.
• Static variables and methods belong to the class rather than the instance of the class.

• Static variables are initialized only once at the start of the program.

• Static methods can be called without creating an instance of the class.

• Static keyword can also be used to create static blocks that are executed only once when the class is loaded.

• Example: ...read more
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Q2. Can we implement multiple interfaces in a single Java class?
Ans. 
Yes, Java supports multiple interface implementation in a single class.
• A class can implement multiple interfaces separated by a comma.

• All the methods of the implemented interfaces must be implemented in the class.

• Example: public class MyClass implements Interface1, Interface2 { }
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Q3. What is the “Diamond problem” in Java?
Ans. 
Diamond problem is a multiple inheritance issue in Java where two classes have a common parent class and a subclass inherits from both.
• Occurs when two classes have a common parent class and a subclass inherits from both

• Results in ambiguity and conflicts in method and variable resolution

• Solved in Java by implementing interfaces instead of multiple inheritance
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Q1. Recently using windows
Ans. 
Yes, I have recently used Windows.
• I have been using Windows as my primary operating system for the past 5 years.

• I am familiar with various versions of Windows, including Windows 10 and Windows Server.

• I have experience in troubleshooting Windows-related issues, such as driver conflicts and system crashes.

• I have worked with Active Directory, Group Policy, and other Windows administration tools.

• I have deployed and managed...read more
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Q2. How do you put on laptop OS
Ans. 
To install an OS on a laptop, you need to create a bootable installation media and follow the installation process.
• Create a bootable installation media (USB or DVD)

• Access the BIOS/UEFI settings and set the boot order to prioritize the installation media

• Restart the laptop and boot from the installation media

• Follow the on-screen instructions to select the OS, partition the disk, and complete the installation

• Once the inst...read more
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Q1. How to set printer IP
Ans. 
To set printer IP, access the printer's settings through the control panel or web interface and configure the IP address.
• Access the printer's control panel or web interface

• Navigate to the network settings or TCP/IP settings

• Enter the desired IP address and subnet mask

• Save the changes and restart the printer if necessary
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