Nalco water Technical Engineer Interview Questions and Answers

Q1. System Design for E Commerce appliation
Ans. 
System design for an E-commerce application involves designing scalable architecture to handle high traffic, secure transactions, and seamless user experience.
• Use microservices architecture to break down the application into smaller, independent services for scalability and flexibility.

• Implement a distributed database system to handle large amounts of data and ensure high availability.

• Utilize caching mechanisms like Re...read more
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Metrix problem to find the shortest order of the largest matrix in given metrix with all non-zer0's

Q1. TCP header details like information included in TCP header?
Ans. 
TCP header contains important information for reliable data transmission.
• TCP header includes source and destination port numbers

• It also includes sequence and acknowledgement numbers

• TCP header has flags for various control functions like SYN, ACK, FIN, etc.

• Window size, checksum, and urgent pointer are also included in TCP header
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Q2. IPv6 vs IPv4 comparison and advantages of IPv6
Ans. 
IPv6 offers more IP addresses, better security, and improved performance compared to IPv4.
• IPv6 uses 128-bit addresses, providing a virtually unlimited number of unique IP addresses.

• IPv6 includes built-in security features, such as IPsec, which provides end-to-end encryption and authentication.

• IPv6 also offers improved performance through features like multicast and anycast addressing.

• IPv6 simplifies network configurati...read more
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