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Lpi 303-300 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Network Security | - Secure network services - Firewalls (iptables, nftables) - VPN technologies |
| Topic 2: Access Control | - SELinux and AppArmor - Discretionary Access Control (DAC) - Mandatory Access Control (MAC) |
| Topic 3: Vulnerability Assessment and Monitoring | - Intrusion detection systems (IDS) - Log analysis and auditing |
| Topic 4: Security Administration | - System hardening - Authentication mechanisms |
| Topic 5: Application Security | - Secure software configuration - Container and service security |
| Topic 6: Cryptography | - OpenSSL usage and configuration - Public key infrastructure (PKI) - Data encryption and signing |
Lpi LPIC Exam 303: Security, version 3.0 Sample Questions:
1. What is a man-in-the-middle attack?
A) An attack that aims to steal sensitive information
B) An attack that intercepts communications between two parties to steal information
C) An attack that floods a network or server with traffic to make it unavailable
D) An attack that targets a specific user or organization
2. What does the following iptables rule accomplish:
iptables -A INPUT -s !127.0.0.0/8 -p tcp -dport 111 -j DROP
A) Drops all packets destined for port 111 unless they are from the local machine.
B) Drops all packets from the LAN destined for port 111.
C) Drops all packets originating from the local machine unless they are destined for port 111.
D) Drops all packets destined for port 111 which originate from the local machine.
3. Which of the following statements are valid wireshark capture filters? (Choose TWO correct answers.)
A) tcp portrange 10000-15000
B) portrange 10000-15000 and tcp
C) portrange 10000/tcp-15000/tcp
D) port-range tcp 10000-15000
E) port range 10000:tcp-15000:tcp
4. Which command is used to view the access control list of a file?
A) getfacl
B) ls
C) setfacl
D) chmod
5. What is a ciphertext?
A) The original message before encryption
B) The encrypted message
C) The key used to encrypt the message
D) The algorithm used to encrypt the message
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: A,B | Question # 4 Answer: A | Question # 5 Answer: B |


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