Lpi 303-300 dumps - in .pdf

303-300 pdf
  • Exam Code: 303-300
  • Exam Name: LPIC Exam 303: Security, version 3.0
  • Updated: Sep 08, 2026
  • Q & A: 163 Questions and Answers
  • PDF Price: $59.99
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  • Exam Code: 303-300
  • Exam Name: LPIC Exam 303: Security, version 3.0
  • Updated: Sep 08, 2026
  • Q & A: 163 Questions and Answers
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  • Exam Code: 303-300
  • Exam Name: LPIC Exam 303: Security, version 3.0
  • Updated: Sep 08, 2026
  • Q & A: 163 Questions and Answers
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Lpi 303-300 Exam Syllabus Topics:

SectionWeightObjectives
Threats and Vulnerability Assessment3%- Vulnerability Assessment
  • 1. Security scanning
  • 2. Risk identification
  • 3. OpenVAS
- Threat Analysis
  • 1. Network threats
  • 2. Application threats
  • 3. Host-based threats
  • 4. Credential and confidentiality threats
Network Security12%- Network Intrusion Detection
  • 1. Wireshark
  • 2. Kismet
  • 3. Snort
  • 4. tcpdump
- Packet Filtering
  • 1. nftables awareness
  • 2. iptables and ip6tables
  • 3. IP sets
  • 4. NAT and connection tracking
- Virtual Private Networks
  • 1. OpenVPN
  • 2. IPsec and strongSwan
  • 3. WireGuard
- Network Hardening
  • 1. TCP wrappers and service restrictions
  • 2. Secure network services
Cryptography8%- Data Encryption
  • 1. Use LUKS and dm-crypt
  • 2. Secure data transmission
  • 3. Encrypt files and storage devices
- OpenPGP
  • 1. Sign and encrypt data
  • 2. Web of trust concepts
  • 3. Manage GnuPG keys
- X.509 Certificates and Public Key Infrastructures
  • 1. Create and manage certificates
  • 2. Certificate revocation and validation
  • 3. Manage certificate authorities
Host Security9%- Host Hardening
  • 1. Kernel runtime protection
  • 2. Service hardening
  • 3. Secure boot process
- Host Intrusion Detection
  • 1. AIDE integrity checking
  • 2. Rootkit detection tools
  • 3. Malware detection
  • 4. Linux Audit system
- Resource Control
  • 1. cgroups
  • 2. Process resource management
  • 3. ulimits
Access Control8%- Authentication and Authorization
  • 1. Multi-factor authentication
  • 2. PAM
  • 3. Centralized authentication
- Mandatory Access Control
  • 1. Policy enforcement
  • 2. AppArmor configuration
  • 3. SELinux management
- Discretionary Access Control
  • 1. File permissions
  • 2. Extended attributes
  • 3. POSIX ACLs

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

Question 1

What is the purpose of a Certificate Revocation List (CRL)?

A. It lists certificates that have not yet been issued.
B. It lists all valid certificates currently trusted by a client.
C. It replaces the need for certificate expiration dates.
D. It lists certificates that have been revoked by the issuing CA before their expiration date.


Question 2

Which of the following commands lists the extended attributes set on a file?

A. getfattr
B. stat
C. lsattr
D. getfacl


Question 3

What effect does the following command have on TCP packets?
iptables- A INPUT d 10.142.232.1 p tcp --dport 20:21 j ACCEPT

A. Accept all TCP traffic on port 20 and 21 for the IP address 10.142.232.1
B. Drop all TCP traffic coming from 10.142.232.1 destined for port 20 or 21.
C. Forward all TCP traffic not on port 20 or 21 to the IP address 10.142.232.1
D. Accept only TCP traffic from 10.142.232.1 destined for port 20 or 21.


Question 4

Which of the following is an example of an HID tool?

A. Intrusion prevention system (IPS)
B. Firewall
C. Security information and event management (SIEM) system
D. Antivirus software


Question 5

What is the purpose of IP sets?

A. They group together IP addresses that are assigned to the same network interfaces.
B. They group together IP addresses that can be referenced by netfilter rules.
C. They group together IP and MAC addresses used by the neighbors on the local network.
D. They group together IP addresses and user names that can be referenced from /etc/hosts.allow and /etc/hosts.deny
E. They group together IP addresses and networks that can be referenced by the network routing table.


Solutions:

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

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