Winjit Technologies Senior QA Lead Interview Questions and Answers

Q1. About the current project roles & responsibilites
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Q2. What protocols do you know
Ans. 
I am familiar with protocols such as HTTP, HTTPS, TCP/IP, FTP, SMTP, and SNMP.
• HTTP - Hypertext Transfer Protocol used for web communication

• HTTPS - Secure version of HTTP using SSL/TLS encryption

• TCP/IP - Transmission Control Protocol/Internet Protocol for network communication

• FTP - File Transfer Protocol for transferring files over a network

• SMTP - Simple Mail Transfer Protocol for sending emails

• SNMP - Simple Network Man
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Q3. How MQTT publish and subscribe works draw the flow of it
Ans. 
MQTT publish and subscribe work by clients connecting to a broker, where publishers send messages to topics and subscribers receive messages from those topics.
• Clients connect to a broker to publish or subscribe to topics

• Publishers send messages to specific topics on the broker

• Subscribers receive messages from topics they are subscribed to

• Broker manages the routing of messages between publishers and subscribers
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Q1. Self introduction
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Q2. How good you are on testing and few real based scenarios
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25 one marks questions need to be solved.

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