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Extreme Networks Senior Machine Learning Engineer Interview Questions and Answers

Updated 11 Sep 2024

Extreme Networks Senior Machine Learning Engineer Interview Experiences

1 interview found

Interview experience
1
Bad
Difficulty level
Easy
Process Duration
2-4 weeks
Result
No response

I applied via Approached by Company and was interviewed in Aug 2024. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. Spark code optimization
  • Q2. Data formats in big Data, why each format.
  • Ans. 

    Different data formats in big data are used for various purposes like storage efficiency, data processing speed, and compatibility with different systems.

    • JSON: Lightweight, human-readable, and widely supported for web applications.

    • Parquet: Columnar storage format for efficient querying and processing of large datasets.

    • Avro: Schema-based serialization format with support for complex data types.

    • ORC: Optimized Row Columna...

  • Answered by AI
  • Q3. Leet code - Most freq elem in a list
  • Ans. 

    Find the most frequent element in a list of strings.

    • Iterate through the list and count the frequency of each element using a dictionary.

    • Track the element with the highest frequency as you iterate.

    • Return the element with the highest frequency.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - I had three rounds, each round of one hour each.

Questions from Past Work Experience
Coding
Data Engineering, cloud.
Leet code.

Cleared all the rounds and HR verbally committed the offer and disappeared (stopped responding), without any updates.

Even if you get an offer from Extreme Networks better keep a backup offer, their decisions are dynamic so there is a high chance of offer getting revoked.

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Coding Test 

90 min MCQ +coding test on hackerrank.

Round 2 - Technical 

(2 Questions)

  • Q1. Sort colors DSA question
  • Q2. Detect cycle in a linked list
  • Ans. 

    Use Floyd's Tortoise and Hare algorithm to detect cycle in a linked list.

    • Initialize two pointers, slow and fast, at the head of the linked list.

    • Move slow pointer by one step and fast pointer by two steps.

    • If they meet at some point, there is a cycle in the linked list.

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Was asked about why you want to join the company,my experience etc.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Coding test consisted of 2 coding questions and mcqs

Round 2 - HR 

(2 Questions)

  • Q1. Friendly discussion on my experience
  • Q2. Where would u see yourself in 5 years
  • Ans. 

    In 5 years, I see myself as a senior software engineer leading a team of developers on innovative projects.

    • Continuing to enhance my technical skills and knowledge through ongoing learning and certifications

    • Taking on more leadership responsibilities and mentoring junior team members

    • Contributing to the development of cutting-edge software solutions for the company

    • Possibly pursuing a higher position such as a technical ar

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well

Interview Preparation Tips

General Tips: Just be confident. You may not be able to answer all the questions correctly. If you don't know the answer, be honest and confidently answer the questions that you know.
College Name: NIT SURATHKAL

Interview Questionnaire 

6 Questions

  • Q1. Tell us about yourself ?
  • Q2. Any knowledge of Networks/DS?
  • Ans. 

    Yes

    • Knowledge of network protocols and architectures

    • Understanding of data structures and algorithms

    • Experience with network troubleshooting and analysis

    • Familiarity with network security and encryption

    • Proficiency in network programming and socket programming

  • Answered by AI
  • Q3. Which projects do you like the most?
  • Q4. How was your test ?
  • Ans. 

    The test went well, I was able to complete all the tasks within the given time frame.

    • I prepared well for the test by reviewing relevant materials

    • I managed my time effectively during the test

    • I was able to solve all the problems and complete all the tasks

    • I double-checked my work to ensure accuracy

  • Answered by AI
  • Q5. Why CISCO ? Tell something about it
  • Q6. Which companies have you applied for till day 4 ?

Interview Preparation Tips

Round: Test
Experience: 30 questions on Technical knowledge - Basic C, DS, Microprocessor, OS, Networks, Circuit Designs.
20 questions on Aptitude.
Total Questions: 50

Round: Technical Interview
Experience: It was a 25-30 minute round. Apart from the questions mentioned, they asked questions related to BTP(Signal Processing) and Microprocessor 8085.
Tips: Basic C, EE 370 and Microprocessor 8085 will be helpful. They will look for Networks related questions. Revise the related courses and attend PPTs.

Round: HR Interview
Experience: It was a 15-minute round.

General Tips: Analytical thinking is important and you should have good technical knowledge and a decent academic record.
College Name: IIT KANPUR

Skills evaluated in this interview

Interview Preparation Tips

Round: Test
Experience: It was a blend of topics from IT,CSE and ECE. Try to concentrate on coding and networks for this round. mostly luck based

Round: Group Discussion
Experience: A very easy round. Can easily clear it if you have minimum skills

Round: Technical Interview
Experience: needs a sound knowledge in networking .

Round: HR Interview
Experience: your personality and the way you behave matters a lot. Try to be humble and truthful

General Tips: as I mentioned earlier keep trying never loose hope
Skills: communication skills, grasping power , knowledge
College Name: VIT VELLORE
Motivation: high package :P
Funny Moments: none . but had to go to bangalore for interview which was fun :)

Interview Preparation Tips

Round: Resume Shortlist
Tips: It will be good to have a GPA of 8 and above

Round: Test
Experience: Questions were easy it were good at C and basic maths. Questions were distributed on all aspects of computer science such as Operating Systems, Few Output Question, Data Structures and Application layer networking . In basic aptitude most questions fall under Probability, distance and time and few others.
Duration: 60 minutes
Total Questions: 50

Skills: Communication, Basic Coding, Math Puzzle
College Name: NIT Surathkal

Interview Preparation Tips

Round: Test
Experience: The test was MCQ type. It comprised of questions from Operating Systems, Data Structures, Microprocessors, logical Reasoning, Aptitude and Computer Networks. No negative marking was there.
Tips: One needs to be fast as you can't spend much time on one question.
Duration: 60 minutes
Total Questions: 50

Round: Technical Interview
Experience: I was given 2 coding questions to solve and basics of oops, operating systems, data structures and networks were asked. 3-4 questions were asked in each topic mentions above. The interviewer also asked 2 puzzles which were the standard ones. He first asked me if I knew the topic or not, then only he asked me questions about it. But that doesn't mean that you can skip all the above mentions topics.
Tips: Be relaxed and confident and try to discuss your approach with the interviewer.

Round: Technical Interview
Experience: 2 Coding questions and 3-4 questions from operating systems and networks.Questions also from the mentioned projects.

Round: HR Interview
Experience: Standard HR interview with questions like what Cisco does and why they should hire you. He also asked me questions from the CV.

Tips: Be confident and mug up your cv well

Round: HR Interview
Experience: It was just a formality where he just asked about my background and whether I would be able to move to bangalore and Why I want to join Cisco.

Skills: Confidence, Problem Solving Skills, Operating System Basics, Coding Skills, Object Oriented Programming (OOP) Basics, Computer Networking, Data Strrutures
College Name: IIT Guwahati

I applied via Referral

Interview Questionnaire 

10 Questions

  • Q1. Program to print the elements of a binary tree in spiral order
  • Ans. 

    Program to print binary tree elements in spiral order

    • Use two stacks to keep track of nodes at odd and even levels

    • Push nodes from left to right in odd level stack and right to left in even level stack

    • Pop nodes from the stack alternatively and print them

    • Repeat until both stacks are empty

  • Answered by AI
  • Q2. Explain what happens underneath when you enter a URL in the browser
  • Ans. 

    Entering a URL in the browser triggers a series of events to retrieve and display the requested webpage.

    • The browser checks the cache for a previously stored copy of the webpage

    • If not found, the browser sends a request to the DNS server to resolve the domain name to an IP address

    • The browser then sends a request to the web server at the IP address for the webpage

    • The web server responds with the requested webpage

    • The brows...

  • Answered by AI
  • Q3. Explain why MAC addresses are required despite having IP addresses
  • Ans. 

    MAC addresses are required for identifying devices on a local network, while IP addresses are used for identifying devices on a global network.

    • MAC addresses are used for communication within a local network

    • IP addresses are used for communication across different networks

    • MAC addresses are assigned by the manufacturer and cannot be changed

    • IP addresses can be assigned dynamically or statically

    • MAC addresses are used in the...

  • Answered by AI
  • Q4. Solve the classical bridge and torch puzzle
  • Q5. Explain my internship project
  • Ans. 

    Developed a web application for tracking inventory and sales data

    • Used React.js for front-end development

    • Implemented RESTful APIs using Node.js and Express for back-end

    • Utilized MongoDB for database management

    • Integrated authentication and authorization features for secure access

    • Designed user-friendly interface with responsive design

  • Answered by AI
  • Q6. What is an arraylist in Java?
  • Ans. 

    An ArrayList is a dynamic array in Java that can grow or shrink in size during runtime.

    • ArrayList is a class in Java's Collection framework.

    • It implements the List interface and allows duplicate elements.

    • Elements can be added or removed using methods like add(), remove(), etc.

    • It can also be sorted using the sort() method.

    • Example: ArrayList names = new ArrayList<>();

    • names.add("John"); names.add("Mary"); names.remove(0);

  • Answered by AI
  • Q7. What is the difference between an arraylist and a linkedlist in Java?
  • Ans. 

    ArrayList is a resizable array while LinkedList is a doubly linked list.

    • ArrayList is faster for accessing elements while LinkedList is faster for adding or removing elements.

    • ArrayList uses contiguous memory while LinkedList uses non-contiguous memory.

    • ArrayList is better for random access while LinkedList is better for sequential access.

    • Example: ArrayList - List names = new ArrayList<>(); LinkedList - List names = new L

  • Answered by AI
  • Q8. “Java is not a pure OO language”. Justify (the answer expected was that the primitive types are not objects in Java!)
  • Ans. 

    Java is not a pure OO language due to primitive types not being objects.

    • Primitive types like int, boolean, etc. are not objects in Java

    • They do not have methods or inheritance like objects do

    • This violates the principle of everything being an object in pure OO languages

    • Wrapper classes like Integer, Boolean, etc. were introduced to provide object-like behavior for primitives

  • Answered by AI
  • Q9. What is the difference between an object oriented and object based language?
  • Ans. 

    Object-oriented languages support inheritance and polymorphism, while object-based languages do not.

    • Object-oriented languages allow for the creation of classes and objects, and support inheritance and polymorphism.

    • Object-based languages only support objects, but do not have the concept of classes or inheritance.

    • Examples of object-oriented languages include Java, C++, and Python, while JavaScript is an example of an obj

  • Answered by AI
  • Q10. Explain inheritance and abstraction with a concrete example
  • Ans. 

    Inheritance is a way to create new classes based on existing ones. Abstraction is a way to hide implementation details.

    • Inheritance allows a subclass to inherit properties and methods from a superclass.

    • Abstraction allows a class to provide a simplified interface to its users while hiding its implementation details.

    • For example, a Car class can inherit properties and methods from a Vehicle class, while also implementing i...

  • Answered by AI

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

I applied via Referral

Interview Questionnaire 

14 Questions

  • Q1. How many interviews have I attended before?
  • Q2. What value would I add to Cisco?
  • Q3. What do I know about Cisco?
  • Q4. Am I ready to work as an IT manager?
  • Ans. 

    No, as a software engineer, you may not have the necessary experience or skills to work as an IT manager.

    • Software engineers typically focus on coding and technical aspects, while IT managers are responsible for overseeing projects, teams, and budgets.

    • IT managers need strong leadership, communication, and decision-making skills, which may not be the primary focus of a software engineer.

    • Consider gaining experience in pro...

  • Answered by AI
  • Q5. Mention the layers in OSI stack
  • Ans. 

    OSI stack has 7 layers that define how data is transmitted over a network.

    • OSI stands for Open Systems Interconnection

    • Each layer has a specific function and communicates with adjacent layers

    • Layers are: Physical, Data Link, Network, Transport, Session, Presentation, Application

  • Answered by AI
  • Q6. When would I go for a router to make two computers communicate?
  • Ans. 

    A router is needed to connect two computers in different networks or to share internet connection.

    • When two computers are in different networks, a router is needed to connect them.

    • A router can also be used to share internet connection between multiple devices.

    • Routers can provide additional security features like firewall and VPN.

    • Examples of routers include Cisco, Netgear, and TP-Link.

  • Answered by AI
  • Q7. Mention the number of bits in IPv4 and IPv6 addresses
  • Ans. 

    IPv4 has 32 bits and IPv6 has 128 bits.

    • IPv4 addresses are in the format of xxx.xxx.xxx.xxx where each xxx is an 8-bit number.

    • IPv6 addresses are in the format of xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx where each xxxx is a 16-bit number.

    • IPv6 addresses allow for a much larger number of unique addresses than IPv4.

  • Answered by AI
  • Q8. What is the need for IPv6?
  • Ans. 

    IPv6 is needed due to the exhaustion of IPv4 addresses and the need for more unique IP addresses.

    • IPv6 provides a significantly larger address space compared to IPv4.

    • It allows for the allocation of unique IP addresses to every device connected to the internet.

    • IPv6 supports improved security features and better network performance.

    • It enables the growth of Internet of Things (IoT) devices and services.

    • Transitioning to IPv...

  • Answered by AI
  • Q9. How many clients are possible for a /24 address?. What is the network address and broadcast address here?
  • Ans. 

    A /24 address can have 256 clients. Network address is the first IP and broadcast address is the last IP.

    • A /24 address has 256 IP addresses

    • The network address is the first IP in the range

    • The broadcast address is the last IP in the range

  • Answered by AI
  • Q10. What is the difference between anycast, unicast, and multicast?
  • Ans. 

    Anycast, unicast, and multicast are different ways of routing network traffic.

    • Unicast is one-to-one communication between a sender and a receiver.

    • Anycast is one-to-nearest communication where the sender sends a message to the nearest receiver.

    • Multicast is one-to-many communication where the sender sends a message to a group of receivers.

    • Anycast is used for load balancing and finding the nearest server.

    • Unicast is used f...

  • Answered by AI
  • Q11. What is virtual memory? What is its size in relation to main memory?
  • Ans. 

    Virtual memory is a memory management technique that allows a computer to use more memory than physically available.

    • Virtual memory is created by using hard disk space as an extension of RAM.

    • It allows running more programs than the physical memory can handle.

    • The size of virtual memory is typically larger than the size of main memory.

    • Virtual memory is divided into pages, which are swapped in and out of main memory as nee...

  • Answered by AI
  • Q12. How do I rate myself in C, web technologies on a scale of 10?
  • Ans. 

    I rate myself 8 in C and 7 in web technologies.

    • I have extensive experience in C programming and have worked on multiple projects using it.

    • In web technologies, I have a good understanding of HTML, CSS, and JavaScript, but there is always room for improvement.

    • I am constantly learning and improving my skills in both areas.

  • Answered by AI
  • Q13. What are my strengths?
  • Ans. 

    My strengths include problem-solving skills, attention to detail, and strong programming abilities.

    • Strong problem-solving skills - able to analyze complex problems and come up with effective solutions

    • Attention to detail - meticulous in writing code and ensuring it is error-free

    • Strong programming abilities - proficient in multiple programming languages such as Java, Python, and C++

  • Answered by AI
  • Q14. The classical 3l, 5l puzzle

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

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Extreme Networks Interview FAQs

How many rounds are there in Extreme Networks Senior Machine Learning Engineer interview?
Extreme Networks interview process usually has 1 rounds. The most common rounds in the Extreme Networks interview process are Technical.
How to prepare for Extreme Networks Senior Machine Learning Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Extreme Networks. The most common topics and skills that interviewers at Extreme Networks expect are Analytics, Automation, Computer science, Data Modeling and Data Structures.
What are the top questions asked in Extreme Networks Senior Machine Learning Engineer interview?

Some of the top questions asked at the Extreme Networks Senior Machine Learning Engineer interview -

  1. Data formats in big Data, why each form...read more
  2. Leet code - Most freq elem in a l...read more
  3. Spark code optimizat...read more

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