A reverse proxy is a server that sits between client devices and a web server, forwarding requests from clients to the server. Nginx can be configured as a reverse proxy…
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#load-balancing
Can you explain what a reverse proxy is and how Nginx can be used as one?
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Can you describe a situation where you had to make a critical architectural decision regarding Nginx configuration for load balancing and how you approached it?
In a previous project, we had to decide between round-robin and least-connections load balancing for our Nginx setup. I chose least-connections as our application was resource-intensive and had variable load,…
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How would you configure Nginx to handle SSL termination and load balancing for a microservices architecture, and what considerations would you take into account?
To configure Nginx for SSL termination and load balancing, I would first set up the server block to listen on port 443 with the appropriate SSL certificates. Then, I would…
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How would you design an Express.js application to handle a large number of concurrent requests efficiently, particularly focusing on performance and scalability?
I would utilize middleware for request handling, implement load balancing by distributing traffic across multiple instances, and integrate caching strategies for frequently accessed data. Additionally, using asynchronous programming features of…
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Can you describe a time when you had to use AWS services to solve a problem? What services did you use and why?
In my last project, we faced high traffic on our web application, so I utilized AWS Elastic Load Balancing and Amazon EC2. The load balancer distributed the traffic efficiently across…
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Can you explain what a reverse proxy is and how Nginx can be used as one?
A reverse proxy is a server that forwards client requests to another server. Nginx acts as a reverse proxy by routing requests to backend servers based on configuration settings, providing…
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Can you explain how to design a highly available and fault-tolerant architecture on AWS using services like EC2, RDS, and ELB?
To design a highly available architecture on AWS, I would use multiple Availability Zones (AZs) for EC2 instances and RDS databases. An Elastic Load Balancer (ELB) would distribute incoming traffic…
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