Which of the following commands can be used to connect and interact with remote TCP network services? (Choose two.) A. nettalk B. nc C. telnet D. cat E. netmap

For what purpose is TCP/IP stack fingerprinting used by nmap? A. It is used to determine the remote operating system. B. It is used to filter out responses from specific servers. C. It is used to...

The content of which local file has to be transmitted to a remote SSH server in order to be able to log into the remote server using SSH keys? A. ~/.ssh/authorized_keys B. ~/.ssh/config C. ~/.ssh...

What is the name of the network security scanner project which, at the core, is a server with a set of network vulnerability tests? A. NetMap B. OpenVAS C. Smartscan D. Wireshark

With fail2ban, what is a "jail"? A. A netfilter rules chain blocking offending IP addresses for a particular service B. A group of services on the server which should be monitored for similar atta...

What information can be found in the file specified by the status parameter in an OpenVPN server configuration file? (Choose two.) A. Errors and warnings generated by the openvpn daemon B. Routing...

What option in the sshd configuration file instructs sshd to permit only specific user names to log in to a system? (Specify ONLY the option name without any values.)

The program vsftpd, running in a chroot jail, gives the following error: /bin/vsftpd: error while loading shared libraries: libc.so.6: cannot open shared object file: No such file or directory. ...

To allow X connections to be forwarded from or through an SSH server, what configuration keyword must be set to yes in the sshd configuration file? A. AllowForwarding B. ForwardingAllow C. X11For...

In the main Postfix configuration file, how are service definitions continued on the next line? A. It isn't possible. The service definition must fit on one line. B. The initial line must end with...