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Lpi 303-300 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Network Security | - Firewalls (iptables, nftables) - VPN technologies - Secure network services |
| Topic 2: Cryptography | - Data encryption and signing - Public key infrastructure (PKI) - OpenSSL usage and configuration |
| Topic 3: Security Administration | - System hardening - Authentication mechanisms |
| Topic 4: Application Security | - Container and service security - Secure software configuration |
| Topic 5: Access Control | - Mandatory Access Control (MAC) - SELinux and AppArmor - Discretionary Access Control (DAC) |
| Topic 6: Vulnerability Assessment and Monitoring | - Log analysis and auditing - Intrusion detection systems (IDS) |
Lpi LPIC Exam 303: Security, version 3.0 Sample Questions:
What is the purpose of TSIG in DNS?
- A. To provide information about DNS servers
- B. To encrypt DNS queries
- C. To map a domain name to an IP address
- D. To sign DNS messages for secure communication
Correct Answer: D 🗳️
Which of the following statements are valid wireshark capture filters? (Choose TWO correct answers.)
- A. portrange 10000-15000 and tcp
- B. tcp portrange 10000-15000
- C. port range 10000:tcp-15000:tcp
- D. port-range tcp 10000-15000
- E. portrange 10000/tcp-15000/tcp
Correct Answer: A,B 🗳️
In an AppArmor profile, what does the "complain" mode do?
- A. It disables AppArmor for that specific profile only.
- B. It logs policy violations without enforcing restrictions, similar to SELinux permissive mode.
- C. It automatically generates a new profile based on observed behavior.
- D. It blocks all restricted actions and terminates the process.
Correct Answer: B 🗳️
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Which of the following lines in an OpenSSL configuration adds an X 509v3 Subject Alternative Name extension for the host names example.org and www.example.org to a certificate?
- A. subject= CN= www.example.org, CN=example.org
- B. extension= SAN: www.example.org, SAN:example.org
- C. subjectAltName = DNS: www.example.org, DNS:example.org
- D. commonName = subjectAltName= www.example.org, subjectAltName = example.org
- E. subjectAltName: www.example.org, subjectAltName: example.org
Correct Answer: C 🗳️
Which tool is commonly used to perform a comprehensive network port scan, including service and OS fingerprinting, as part of a security assessment?
- A. netstat
- B. nmap
- C. Wireshark
- D. tcpdump
Correct Answer: B 🗳️
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