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1.
An administrator has created a mapping with the following command:
cryptsetup luksOpen /dev/sda1 cryptvol
and hat set 3 different keys. Which command below will delete the first key?
2.
What is the purpose of snort inline?
3.
Which LUKS action, when supplied to the cryptsetup command, will initialize a LUKS partition and set the initial key? (Provide only the action name)
Correct Answer: luksFormat
Section: (none)
Explanation
Explanation/Reference:What command is used to create and maintain a Basic Authentification password file for apache? (Specify only the command, with no path or arguments)
Correct Answer: htpasswd
Section: (none)
Explanation
Explanation/Reference:You are certain that your kernel has been compiled with ACL support, however, when you try to set an ACL on a file, you get the following output:
% setfacl m user:hugh:r afile.txt
setfacl: afile.txt: Operation not supported
What is the most likely reason for this problem?
Correct Answer: luksFormat
Section: (none)
Explanation
Explanation/Reference:What command is used to create and maintain a Basic Authentification password file for apache? (Specify only the command, with no path or arguments)
Correct Answer: htpasswd
Section: (none)
Explanation
Explanation/Reference:You are certain that your kernel has been compiled with ACL support, however, when you try to set an ACL on a file, you get the following output:
% setfacl m user:hugh:r afile.txt
setfacl: afile.txt: Operation not supported
What is the most likely reason for this problem?
4.
SELinux has just been installed on a Linux system and the administrator wants to use SELinux in permissive in order to audit the various service on the system. What command will switch SELinux into permissive mode?
5.
How does AppArmor configure its access control settings?
6.
The system administrator wishes tu use John the Ripper to confirm that the passwords in a file called passwords are not weak. John has finished but the terminal window running the program has closed. What command can be used to list any cracked passwords for this file?
7.
What OpenSSL command will generate a selfsigned test certificate?
8.
What is the default UDP port for OpenVPN traffic?
Correct Answer: 1194
Section: (none)
Explanation
Explanation/Reference:DNS servers are vulnerable to which of the following attacks?
(Select 3 correct answers)
9.
Postfix daemons can be chroot'd by setting the chroot flag in _________________. (supply only the filename, without a path)
Correct Answer: master.cf
Section: (none)
Explanation
Explanation/Reference:In Nessus, what does the acronym NASL stand for?
Correct Answer: Nessus Attack Scripting Language
Section: (none)
Explanation
Explanation/Reference:What does the following iptables rule accomplish:
iptables A INPUT d 10.142.232.1 p tcp dport 20:21 j ACCEPT
Correct Answer: master.cf
Section: (none)
Explanation
Explanation/Reference:In Nessus, what does the acronym NASL stand for?
Correct Answer: Nessus Attack Scripting Language
Section: (none)
Explanation
Explanation/Reference:What does the following iptables rule accomplish:
iptables A INPUT d 10.142.232.1 p tcp dport 20:21 j ACCEPT
10.
Which of the following methods can be used to deactivate a rule in Snort?
(Select 2 correct answers)