303-300 exam dumps

Lpi 303-300 Value Package

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  • Exam Code: 303-300
  • Exam Name: LPIC Exam 303: Security, version 3.0
  • No. of Questions: 163 Questions and Answers
  • Updated: Aug 22, 2026

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Lpi 303-300 Exam Syllabus Topics:

SectionObjectives
Topic 1: Application Security- Secure software configuration
- Container and service security
Topic 2: Access Control- Discretionary Access Control (DAC)
- Mandatory Access Control (MAC)
- SELinux and AppArmor
Topic 3: Cryptography- OpenSSL usage and configuration
- Data encryption and signing
- Public key infrastructure (PKI)
Topic 4: Network Security- VPN technologies
- Secure network services
- Firewalls (iptables, nftables)
Topic 5: Security Administration- Authentication mechanisms
- System hardening
Topic 6: Vulnerability Assessment and Monitoring- Log analysis and auditing
- Intrusion detection systems (IDS)

Lpi LPIC Exam 303: Security, version 3.0 Sample Questions:

1. In Suricata, what is the purpose of a "rule" file, such as those found in the emerging-threats.rules collection?

A) It defines the signatures and conditions used to detect specific types of malicious or suspicious network traffic.
B) It defines user authentication policies for the Suricata management interface.
C) It defines firewall NAT translation rules.
D) It configures which network interfaces Suricata should monitor.


2. What happens when the command getfattr afile is run while the file afile has no extended attributes set?

A) getfattr prints a warning and exits with a value of 1.
B) No outputs is produced and getfattr exits with a value of 1.
C) No output is produced and getfattr exits with a value of 0.
D) getfattr prints a warning and exits with a values of 0.


3. What is phishing?

A) A type of social engineering attack
B) A type of denial-of-service attack
C) A type of malware that disguises itself as legitimate software
D) A type of virus


4. What is the purpose of a DNSKEY record in DNSSEC?

A) To verify the authenticity of a DNS query
B) To provide information about a DNS server
C) To map an IP address to a hostname
D) To sign a DNS zone


5. Which of the following DNS records is used to publish X.509 certificate and certificate authority information in DNS?

A) NSEC
B) CAA
C) DS
D) A


Solutions:

Question # 1
Answer: A
Question # 2
Answer: C
Question # 3
Answer: A
Question # 4
Answer: D
Question # 5
Answer: B

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