208.4 Implementing Nginx as a Web Server and a Reverse Proxy (weight: 2) LPIC-2 Practice Questions (Page 1)

Questions 1–5

1. 1application · medium

   An e-commerce site uses three backend application servers behind Nginx. User sessions are stored in memory on the backend servers, so a user must consistently reach the same backend during a session. Which upstream configuration should the administrator use?

   • Aupstream backend { least_conn; server 10.0.0.1; server 10.0.0.2; server 10.0.0.3; }
   • Bupstream backend { server 10.0.0.1 weight=3; server 10.0.0.2; server 10.0.0.3; }
   • Cupstream backend { ip_hash; server 10.0.0.1; server 10.0.0.2; server 10.0.0.3; }
   • Dupstream backend { server 10.0.0.1; server 10.0.0.2; server 10.0.0.3; }
   Reveal Solution Discussion Select an answer first
2. 2application · medium

   An Nginx server block for static.example.com has root /var/www/static;. A request for http://static.example.com/images/logo.png returns a 404. The file /var/www/static/images/logo.png exists. What is the most likely cause?

   • AThe worker_processes directive is set too low.
   • BThe index directive is missing.
   • CThe server block has no listen directive.
   • DThe location block for /images/ uses alias instead of root.
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   Which directive is used to redirect all HTTP traffic to HTTPS?

   • Alisten 443 ssl;
   • Bssl_redirect on;
   • Crewrite ^ https://$host$request_uri permanent;
   • Dreturn 301 https://$host$request_uri;
   Reveal Solution Discussion Select an answer first
5. 4foundation · easy

   Which load balancing method ensures that requests from the same client IP are always sent to the same backend server?

   • Around-robin
   • Bleast_conn
   • Cip_hash
   • Drandom
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   What is the default server block behavior when a request's Host header does not match any server_name?

   • AThe first server block on the listening port handles the request
   • BThe request is rejected with a 403 error
   • CThe last server block on the listening port handles the request
   • DThe request is redirected to the default_server directive
   Reveal Solution Discussion Select an answer first