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Lpi 117-303 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 335: Threats and Vulnerability Assessment | 5% | - Penetration Testing - Common Security Vulnerabilities and Threats |
| Topic 331: Cryptography | 17% | - DNS and Cryptography - X.509 Certificates and Public Key Infrastructures - Encrypted File Systems - X.509 Certificates for Encryption, Signing and Authentication |
| Topic 333: Access Control | 8% | - Mandatory Access Control - Discretionary Access Control |
| Topic 334: Network Security | 17% | - Packet Filtering - Network Hardening - Virtual Private Networks - Network Intrusion Detection |
| Topic 332: Host Security | 13% | - Resource Control - Host Hardening - Host Intrusion Detection |
Lpi LPI Level 3 Exam (LPI 303: Security) Sample Questions:
Question 1
What does the following iptables rule accomplish:
iptables A INPUT s 208.77.188.166 d 10.142.232.1 p tcp dport 22 j ACCEPT
A. Forwards all requests from the host 208.77.188.166 on port 22 the internal host 10.142.232.1
B. Accepts traffic on port 22 only from the hosts 208.77.188.166 and 10.142.232.1.
C. Drops traffic on port 22 only from the hosts 208.77.188.166 and 10.142.232.1.
D. Forwards all requests from the host 10.142.232.1 on port 22 the internal host 208.77.188.166
Question 2
You wish to revoke write access for all groups and named users on a file. Which command will make the correct ACL changes?
A. setfacl x mask::rx afile
B. setfacl m group:*:rx,user:*:rx afile
C. setfacl m mask::rx afile
D. setfacl x group:*:rx,user:*:rx afile
Question 3
CORRECT TEXT
An administrator has successfully configured a cryptographic volume for dmcrypt, and has added the following line to /etc/fstab:
/dev/mapper/cryptvol /media/crypt auto defaults 0 0
Upon booting the system, the error message "mount: special device /dev/mapper/cryptvol does not exist" is displayed. What configuration file has the administrator forgotten to edit? (Provide the full path and filename)
Question 4
On a new Linux system, the root user is being asked to provide the root user password before being able to use the su command. What line in the /etc/pam.d/su file will allow root to use su without supplying passwords?
A. auth required pam_rootok.so
B. auth required pam_norootpw.so
C. auth sufficient pam_norootpw.so
D. auth sufficient pam_rootok.so
Question 5
Which of the following are builtin chains for the iptables nat table? (Select THREE correct answers)
A. POSTROUTING
B. PREROUTING
C. INPUT
D. PROCESSING
E. OUTPUT
Solutions:
| Question 1 Answer: A | Question 2 Answer: C | Question 3 Answer: Only visible for members | Question 4 Answer: D | Question 5 Answer: A,B,E |
