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Lpi 117-303 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Topic 1: Network Security | 25% | - VPN and secure tunneling
- 1. IPsec fundamentals
- 2. WireGuard/OpenVPN concepts
- Secure communication
- 1. SSH configuration and hardening
- 2. TLS/SSL concepts and configuration
|
| Topic 2: Cryptography | 25% | - Public Key Infrastructure (PKI)
- 1. Certificates and certificate authorities
- 2. Certificate management tools
- Data Encryption
- 1. Disk and filesystem encryption
- 2. Symmetric and asymmetric encryption concepts
|
| Topic 3: Organizational Security | 15% | - Incident Response
- 1. Forensics basics
- 2. Incident handling lifecycle
- Security Policies
- 1. Security governance concepts
- 2. Audit and compliance basics
|
| Topic 4: Threats and Vulnerability Assessment | 15% | - Security scanning
- 1. Network scanning tools and techniques
- 2. Vulnerability assessment concepts
- Intrusion Detection
- 1. Network-based IDS (NIDS)
- 2. Host-based IDS (HIDS)
|
| Topic 5: Host Security | 20% | - System hardening
- 1. Secure boot and firmware security
- 2. Kernel security parameters
- Access Control
- 1. Linux file permissions and ACLs
- 2. Mandatory Access Control (AppArmor/SELinux concepts)
|
Lpi LPI Level 3 Exam (LPI 303: Security) Sample Questions:
1. The openssl command can be used to test connections with various secure services. What command will open a connection with a remote POP3S (POP3 over SSL) server?
A) openssl connect pop.example.com:pop3s
B) openssl s_client pop.example.com:pop3s
C) openssl s_client connect pop.example.com:pop3s
D) openssl connect host pop.example.com:pop3s
2. What does the following iptables rule accomplish:
iptables A INPUT d 10.142.232.1 p tcp dport 20:21 j ACCEPT
A) Forwards all traffic on port 20 and 21 to the host 10.142.232.1.
B) Forwards all traffic not on port 20 or 21 to the host 10.142.232.1.
C) Drops all traffic coming from the host 10.142.232.1 destined for port 20 or 21.
D) Accepts all traffic from the host 10.142.232.1 destined for port 20 or 21.
3. The system administrator is keeping local configuration file changes in RCS. What command will commit the file to RCS revision control AND keep a local, unlocked copy of the latest version of the file?
A) ci file
B) rcs commit file
C) ci u file
D) rcs o file
4. In the Puppet centralized configuration management tool, a manifest is:
A) a list of all files related to a configuration target.
B) a list of all target configurations.
C) a list of the important services on a target configuration.
D) a configuration document that describes the target configuration and the steps required to achieve it.
5. What openssl command will generate a certificate signing request (CSR) using the private key file privkey.pem?
A) openssl req key privkey.pem out cert.csr
B) openssl gencsr key privkey.pem out cert.csr
C) openssl req new key privkey.pem out cert.csr
D) openssl gencsr new key privkey.pem out cert.csr
Solutions:
Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: D | Question # 5 Answer: C |