Lpi 303-300 Real Dumps | 303-300 Valid Exam Preparation

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Lpi 303-300 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Threats and Vulnerability Assessment3%- Vulnerability Assessment
  • 1. Security scanning
  • 2. Risk identification
  • 3. OpenVAS
- Threat Analysis
  • 1. Credential and confidentiality threats
  • 2. Host-based threats
  • 3. Network threats
  • 4. Application threats
Topic 2: Access Control8%- Authentication and Authorization
  • 1. Centralized authentication
  • 2. PAM
  • 3. Multi-factor authentication
- Discretionary Access Control
  • 1. File permissions
  • 2. POSIX ACLs
  • 3. Extended attributes
- Mandatory Access Control
  • 1. SELinux management
  • 2. AppArmor configuration
  • 3. Policy enforcement
Topic 3: Host Security9%- Resource Control
  • 1. ulimits
  • 2. Process resource management
  • 3. cgroups
- Host Intrusion Detection
  • 1. Linux Audit system
  • 2. AIDE integrity checking
  • 3. Malware detection
  • 4. Rootkit detection tools
- Host Hardening
  • 1. Kernel runtime protection
  • 2. Secure boot process
  • 3. Service hardening
Topic 4: Network Security12%- Packet Filtering
  • 1. NAT and connection tracking
  • 2. iptables and ip6tables
  • 3. IP sets
  • 4. nftables awareness
- Network Intrusion Detection
  • 1. Wireshark
  • 2. tcpdump
  • 3. Kismet
  • 4. Snort
- Virtual Private Networks
  • 1. IPsec and strongSwan
  • 2. OpenVPN
  • 3. WireGuard
- Network Hardening
  • 1. TCP wrappers and service restrictions
  • 2. Secure network services
Topic 5: Cryptography8%- Data Encryption
  • 1. Use LUKS and dm-crypt
  • 2. Encrypt files and storage devices
  • 3. Secure data transmission
- X.509 Certificates and Public Key Infrastructures
  • 1. Certificate revocation and validation
  • 2. Manage certificate authorities
  • 3. Create and manage certificates
- OpenPGP
  • 1. Sign and encrypt data
  • 2. Web of trust concepts
  • 3. Manage GnuPG keys

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Lpi LPIC Exam 303: Security, version 3.0 Sample Questions (Q157-Q162):

NEW QUESTION # 157
Which of the following access control models is established by using SELinux?

Answer: D


NEW QUESTION # 158
Which command switches an AppArmor profile from complain mode into enforce mode?

Answer: D

Explanation:
The aa-enforce command places one or more specified AppArmor profiles into enforce mode, causing violations of the profile's rules to be actively blocked rather than merely logged. The corresponding aa-complain command places a profile into complain mode, and aa-disable unloads a profile entirely, preventing it from being applied. aa-audit is used to enable full auditing of ALLOWED actions in addition to denied ones, but does not itself change enforcement.


NEW QUESTION # 159
Which command installs and configures a new FreeIPA server, including all sub-components, and creates a new FreeIPA domain?
(Specially ONLY the command without any path or parameters).
Solution: ipa-server-install
Determine whether the given solution is correct?

Answer: A


NEW QUESTION # 160
Which command is used to set the owner and group of a file in Linux?

Answer: D


NEW QUESTION # 161
What is a trust anchor?

Answer: B


NEW QUESTION # 162
......

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