An administrator has just configured an OpenVPN client. Upon starting the service, the following
message is displayed:
TLS Error: TLS key negotiation failed to occur within 60 seconds.

Which of the following statements is true?

SELinux has just been installed on a Linux system and the administrator wants to use SELinux in
permissive mode in order to audit the various services on the system. What command will switch
SELinux into permissive mode?

Which of the following export options, when specified in /etc/exports, will tell the server to use the
NFSv4 Pseudofilesystem?

Which of the following are common techniques for securing a sendmail server? (Select THREE
correct answers)

What does ntop use for data collection?

An administrator has successfully configured a cryptographic volume for dmcrypt, and has added the
following line to /etc/fstab:
<code>
/dev/mapper/cryptvol /media/crypt auto defaults 0 0
</code>
Upon booting the system, the error message “mount: special device /dev/mapper/cryptvol doest
exist” is displayed. What configuration file has the administrator forgotten to edit?
(Provide the full path and filename)

What command will remove the dmcrypt mapping named cryptvol? (Provide the command with any
options and parameters)

Which LUKS action, when supplied to the cryptsetup command, will initialize a LUKS partition and set
the initial key? (Provide only the action name)

An administrator has created a mapping with the following command:
cryptsetup luksOpen /dev/sda1 cryptvol
and has set three different keys. Which command below will delete the first key?

What command will list basic information about all targets available to cryptmount? (Provide the
command with any options or parameters)