What command is used to reload a set of saved netfilter rules?
What command is used to reload a set of saved netfilter rules?
Which TWO sequence of inputs will accomplish this?
You are writing text in vi. Now you want to save your changes and exit. Which TWO sequence of
inputs will accomplish this?
what is a ‘jail’?
With fail2ban what is a ‘jail’?
Which of the following daemons will monitor log files for inappropriate activity, such as login attempts…
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?
which ONE of the following statements is correct?
In the command foo < bar | foobar, which ONE of the following statements is correct?
which perform tests against remote services?
Which command can be used when writing scripts which perform tests against remote services?
What does the + symbol mean in the following grep regular expression: <code> grep ‘^d[aei]\+d$R
What does the + symbol mean in the following grep regular expression:
grep ‘^d[aei]\+d$’ /usr/share/dict/words
Which of the following commands can be used to connect and interact with remote services?
Which of the following commands can be used to connect and interact with remote services?
(Choose TWO correct answers.)
Which option to the tee command will cause the output to be concatenated on the end of the output file instead
Which option to the tee command will cause the output to be concatenated on the end of the
output file instead of overwriting the existing file contents?
Which configuration block in Nginx is used to define settings for a reverse proxied web server?
Which configuration block in Nginx is used to define settings for a reverse proxied web server?