With netfilter, which packet matching table contains built-in chains called INPUT, OUTPUT
and FORWARD?

What command is used to reload a set of saved netfilter rules?

Which of the following daemons will monitor log files for inappropriate activity, such as login
attempts, from remote IP addresses and will add netfilter rules to block the offending
address?

With fail2ban what is a ‘jail’?

Which command can be used when writing scripts which perform tests against remote
services?

Which of the following commands can be used to connect and interact with remote
services? (Choose TWO correct answers.)

Which configuration block in Nginx is used to define settings for a reverse proxied web

server?

When trying to reverse proxy a web server through Nginx, what keyword is missing from the
following configuration sample? location / { _________ http://proxiedserver:8080; }

When trying to reverse proxy a web server through Nginx, what keyword is required to pass

the Host header from the original request to the proxied server? … { _________ Host $host
… }

With Nginx, which of the following directives is used to proxy requests to a FastCGI
application?