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Lpi 117-303 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 333: Access Control | 8% | - Mandatory Access Control - Discretionary Access Control |
| Topic 331: Cryptography | 17% | - X.509 Certificates for Encryption, Signing and Authentication - DNS and Cryptography - X.509 Certificates and Public Key Infrastructures - Encrypted File Systems |
| Topic 332: Host Security | 13% | - Resource Control - Host Intrusion Detection - Host Hardening |
| Topic 335: Threats and Vulnerability Assessment | 5% | - Penetration Testing - Common Security Vulnerabilities and Threats |
| Topic 334: Network Security | 17% | - Network Intrusion Detection - Packet Filtering - Network Hardening - Virtual Private Networks |
Lpi LPI Level 3 Exam (LPI 303: Security) Sample Questions:
Question 1
Which of the following statements are advantages that Mandatory Access Control has over Discretionary Access Control models? (Select TWO correct answers)
A. MAC lets the kernel help decide if an object, such as a device or process, can access another object.
B. Trust is placed in the administrators and not in individual users.
C. MAC policies are easier to configure than use of DAC.
D. MAC adds the concept of privileged remote users which is not available with simple DAC.
E. MAC policies increase the ability of the root user to correct errors.
Question 2
Linux Extended Attributes include attribute classes. Which of the following are included in the defined attribute classes? (Select THREE correct answers)
A. trusted
B. default
C. user
D. owner
E. system
Question 3
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?
A. setenforce 0
B. /etc/init.d/selinux startpassive
C. /etc/init.d/selinux stop
D. selinux passive
Question 4
The system administrator wishes to use the pam_listfile.so module to restrict which users are allowed to login via SSH. Which line will configure this behaviour?
A. auth required pam_listfile.so item=user sense=deny file=/etc/sshd/sshd.deny onerr=fail
B. auth required pam_listfile.so item=user sense=deny file=/etc/sshd/sshd.deny onerr=succeed
C. auth required pam_listfile.so item=user sense=allow file=/etc/sshd/sshd.allow onerr=succeed
D. auth required pam_listfile.so item=user sense=allow file=/etc/sshd/sshd.allow onerr=fail
Question 5
What is true about the permissions for the file afile given the following output from getfacl? (Select TWO correct answers) % getfacl afile # file: afile # owner: matt # group: support user::rwx user:hugh:rw group::r group:staff:rx mask::rwx other::r
A. Anyone in the users group will be able to read the file.
B. The user hugh will be able to read the contents of the file.
C. Anyone in the staff group will be able to read and execute the file.
D. Anyone in the support group will be able to read and execute the file.
E. The user matt will not be able to edit this file.
Solutions:
| Question 1 Answer: A,B | Question 2 Answer: A,C,E | Question 3 Answer: A | Question 4 Answer: D | Question 5 Answer: B,C |

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