Extreme Networks Software Engineer Interview Questions and Answers

It includes two DSA questions and some aptitude questions

Q1. Introduce yourself
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Q2. Give the maximum element at any point of time for after pop and push
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Q3. Reverse a string
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Q1. Inheritance, Contructord, Polymorphism etc
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Q1. Exception Handing, Datatypes, Unix, Sql
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Basic coding questions were there related to string operations

Q1. Technical questions were asked related to networking
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Q2. What is tls handshake
Ans. 
TLS handshake is the process of establishing a secure connection between a client and a server.
• TLS handshake is initiated by the client and involves a series of steps to negotiate encryption parameters and exchange cryptographic keys.

• It ensures the authenticity, integrity, and confidentiality of data transmitted over the network.

• The handshake includes the ClientHello, ServerHello, Certificate Exchange, Key Exchange, an...read more
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Q3. What happens when you hit some url in browser
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When you hit a URL in a browser, a request is sent to the server and the server responds with the requested webpage.
• Typically, the browser sends an HTTP GET request to the server.

• The server processes the request and generates a response.

• The response may include HTML, CSS, JavaScript, and other resources needed to render the webpage.

• The browser receives the response and renders the webpage for the user to view and inter...read more
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Q4. What are different protocols you have worked on
Ans. 
I have worked on various protocols including HTTP, TCP/IP, and MQTT.
• HTTP (Hypertext Transfer Protocol) - used for communication between web browsers and servers

• TCP/IP (Transmission Control Protocol/Internet Protocol) - the foundation of the internet

• MQTT (Message Queuing Telemetry Transport) - a lightweight messaging protocol for IoT devices
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Q1. Os , CPP , bit manipulation
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Q1. Os , threads,cpp, python
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Q1. Transformer is a static device and transfer power one from to another form current
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Q2. Current transformer is a series conection and step up to high voltage
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Q3. There are three function of smart grid electrical protection isolation and control
Ans. 
The three functions of smart grid electrical protection isolation and control are fault detection, fault isolation, and service restoration.
• Fault detection involves identifying any issues in the electrical system.

• Fault isolation involves isolating the faulty component to prevent further damage.

• Service restoration involves restoring power to the affected area as quickly as possible.

• Examples of smart grid technologies th...read more
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Q4. Current is a flow in wire
Ans. 
Yes, current is the flow of electric charge in a wire.
• Current is measured in amperes (A).

• It is caused by the movement of electrons in a conductor.

• The direction of current flow is from positive to negative.

• Current can be either direct current (DC) or alternating current (AC).
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Q5. Faraday law is a electro magnetic field induction working
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Q6. Ohm's law is current between directly proportional voltage
Ans. 
Ohm's law states that current is directly proportional to voltage.
• Current increases as voltage increases

• Resistance remains constant

• Can be expressed as I = V/R
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SQP, PRS, SRT, TUV, is right answer VXW