With fail2ban, what is a ‘jail’?

1. A. A netfilter rules chain blocking offending IP addresses for a particular service
2. B. A group of services on the server which should be monitored for similar attack patterns in the log files
3. C. A filter definition and a set of one or more actions to take when the filter is matched
4. D. The chroot environment in which fail2ban runs

Correct Answer: C

What option for BIND is required in the global options to disable recursive queries on the DNS server by default?

1. A. allow-recursive-query ( none; );
2. B. allow-recursive-query off;
3. C. recursion { disabled; };
4. D. recursion { none; };
5. E. recursion no;

Correct Answer: E

Which of the following are logging directives in Apache HTTPD? (Choose two.)

1. A. TransferLog
2. B. CustomLog
3. C. ErrorLog
4. D. ServerLog
5. E. VHostLog

Correct Answer: AB

In order to prevent all anonymous FTP users from listing uploaded file names, what security precaution can be taken when creating an upload directory?

1. A. The directory must not have the execute permission set.
2. B. The directory must not have the read permission set.
3. C. The directory must not have the read or execute permission set.
4. D. The directory must not have the write permission set.
5. E. The directory must not contain other directorie

Correct Answer: B

When trying to reverse proxy a web server through Nginx, what keyword is missing from the following configuration sample?

1. A. remote_proxy
2. B. reverse_proxy
3. C. proxy_reverse
4. D. proxy_pass
5. E. forward_to

Correct Answer: D