9. Explain How Firewall, DNS, Load Balancers, and Reverse Proxy in Application Deployment 200-901 Practice Questions (Page 7)

Questions 31–33

1. 31foundation · easy

   What is a primary function of a reverse proxy in an application deployment?

   • ATo resolve domain names to IP addresses
   • BTo distribute traffic evenly across servers
   • CTo accept client requests and forward them to backend servers
   • DTo filter traffic based on source IP addresses
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2. 32foundation · easy

   Which task is commonly performed by a reverse proxy in front of an application?

   • ATranslating domain names to IP addresses
   • BTerminating SSL/TLS connections to offload encryption overhead from backend servers
   • CBlocking traffic based on port numbers
   • DAssigning IP addresses to clients on the network
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3. 33expert · hard

   A company is deploying a web application that requires WebSocket connections for real-time features. They are using a reverse proxy for SSL termination and a load balancer for distribution. The WebSocket connections are being dropped after a short time. What is the most likely cause?

   • AThe load balancer's health check is marking the backend as unhealthy due to WebSocket traffic.
   • BThe DNS TTL is too low, causing clients to reconnect to a different server.
   • CThe reverse proxy or load balancer has a timeout setting that is too short for idle WebSocket connections.
   • DThe firewall is blocking WebSocket traffic because it uses a non-standard port.
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