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Lpi 303-300 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Access Control	8%	- Discretionary Access Control 1. Extended attributes 2. File permissions 3. POSIX ACLs - Mandatory Access Control 1. AppArmor configuration 2. Policy enforcement 3. SELinux management - Authentication and Authorization 1. PAM 2. Multi-factor authentication 3. Centralized authentication
Topic 2: Network Security	12%	- Network Hardening 1. TCP wrappers and service restrictions 2. Secure network services - Network Intrusion Detection 1. Kismet 2. tcpdump 3. Snort 4. Wireshark - Packet Filtering 1. nftables awareness 2. IP sets 3. NAT and connection tracking 4. iptables and ip6tables - Virtual Private Networks 1. WireGuard 2. IPsec and strongSwan 3. OpenVPN
Topic 3: Cryptography	8%	- X.509 Certificates and Public Key Infrastructures 1. Manage certificate authorities 2. Create and manage certificates 3. Certificate revocation and validation - Data Encryption 1. Use LUKS and dm-crypt 2. Secure data transmission 3. Encrypt files and storage devices - OpenPGP 1. Manage GnuPG keys 2. Sign and encrypt data 3. Web of trust concepts
Topic 4: Host Security	9%	- Host Intrusion Detection 1. Malware detection 2. Linux Audit system 3. AIDE integrity checking 4. Rootkit detection tools - Host Hardening 1. Kernel runtime protection 2. Service hardening 3. Secure boot process - Resource Control 1. Process resource management 2. cgroups 3. ulimits
Topic 5: Threats and Vulnerability Assessment	3%	- Threat Analysis 1. Host-based threats 2. Credential and confidentiality threats 3. Network threats 4. Application threats - Vulnerability Assessment 1. OpenVAS 2. Security scanning 3. Risk identification

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Lpi LPIC Exam 303: Security, version 3.0 Sample Questions (Q11-Q16):

NEW QUESTION # 11
Which of the following utilities is used to generate keys for DNSSEC?

A. delv
B. rndc
C. dnssec-keygen
D. dnssec-dsfromkey

Answer: C

NEW QUESTION # 12
What is the purpose of the program snort-stat?

A. It displays the status of all Snort processes.
B. It returns the status of all configured network devices.
C. It reads syslog files containing Snort information and generates port scan statistics.
D. It reports whether the Snort process is still running and processing packets.
E. It displays statistics from the running Snort process.

Answer: C

NEW QUESTION # 13
Which of the following commands displays all ebtable rules contained in the table filter including their packet and byte counters?

A. ebtables -t filter -L --Lc
B. ebtables -t nat -L -v
C. ebtables -L -Lc -t filter
D. ebtables -L -t filter -Lv
E. ebtables -t filter -Ln -L

Answer: A

NEW QUESTION # 14
Which command is used to run a new shell for a user changing the SELinux context? (Specify ONLY the command without any path or parameters.) Solution: newrole Determine whether the given solution is correct?

A. Correct
B. Incorrect

Answer: A

NEW QUESTION # 15
What is a trust anchor?

A. A key pair that is generated by a particular CA
B. A list of public keys that are trusted by a particular CA
C. A root certificate that is trusted by a particular CA
D. A list of private keys that are trusted by a particular CA

Answer: C

NEW QUESTION # 16
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