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Lpi 303-300 Exam Syllabus Topics:

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

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Lpi LPIC Exam 303: Security, version 3.0 Sample Questions (Q48-Q53):

NEW QUESTION # 48
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: B


NEW QUESTION # 49
Which of the following parameters to openssl s_client specifies the host name to use for TLS Server Name Indication?

Answer: B


NEW QUESTION # 50
Which command is used to create an encrypted LUKS-formatted block device?

Answer: D

Explanation:
The command "cryptsetup luksFormat /dev/sdX" initializes a block device with the LUKS (Linux Unified Key Setup) header and format, prompting for a passphrase that will be used to protect the master encryption key. Once formatted, the device must be unlocked using "cryptsetup open" (or
"luksOpen"), which creates a mapped device-mapper device that can then be formatted with a standard filesystem and mounted. There is no standard "mkfs.luks" command, since LUKS operates below the filesystem layer.


NEW QUESTION # 51
In nftables, what is the purpose of a "base chain" as opposed to a "regular chain"?

Answer: A

Explanation:
A base chain in nftables is attached directly to one of the underlying netfilter hooks (such as prerouting, input, forward, output, or postrouting), which allows packets traversing the network stack at that point to be evaluated against the chain's rules. A regular chain, by contrast, is not attached to any hook and can only be reached when explicitly called (jumped or goto'd) from another chain, functioning similarly to a subroutine used for rule organization.


NEW QUESTION # 52
Which of the following commands defines an audit rule that monitors read and write operations to the file/ etc/firewall/rules and associates the rule with the name firewall?

Answer: E


NEW QUESTION # 53
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