Why Study with PlanetCert?
The Latest Questions
Practice questions and exam topics aligned with the current exam objectives.
Detailed Explanations
Go beyond the answer. Master the material with comprehensive learning and professional explanations for every concept.

AI-Powered Insights
Personalized preparation guidance that adapts to your performance and identifies weak spots automatically.
Exam Information
Official specifications published by LPI
Exam Format
Registration
Validity
300-300 Exam Topics and Domains
300-300 is organized into 5 weighted domains. Expect to work with Kerberos, LDAP, NSS, PAM, and more.
Topic 301: Samba Basics
Samba Concepts and Architecture
- Understand Samba 4 architecture and components
- Knowledge of SMB/CIFS protocol versions
- Understand the role of different Samba daemons
Samba Configuration
- Configure Samba logging including debug classes
- Implement client-specific logging
- Configure Samba server parameters in smb.conf
Regular Samba Maintenance
- Perform regular maintenance tasks
- Manage Samba databases
- Implement backup and recovery procedures
Troubleshooting Samba
- Troubleshoot common Samba issues
- Use Samba diagnostic tools
- Analyze log files for problem resolution
Topic 302: Samba and Active Directory Domains
Samba as Active Directory Domain Controller
- Deploy Samba 4 as an Active Directory Domain Controller
- Understand network services used by Active Directory
- Configure DNS, Kerberos, NTP, and LDAP integration
Active Directory Name Resolution
- Configure DNS for Active Directory
- Implement dynamic DNS updates
- Manage AD DNS zones
Active Directory User Management
- Manage Active Directory users and groups
- Implement password and account policies
- Configure organizational units
Samba Domain Membership
- Join Samba servers to Active Directory domains
- Configure domain member services
- Manage machine accounts
Samba Local User Management
- Configure local user mappings
- Implement ID mapping strategies
- Integrate with PAM
Topic 303: Samba Share Configuration
File Share Configuration
- Configure file shares with appropriate permissions
- Implement VFS modules for enhanced functionality
- Manage share access controls
File Share Security
- Implement share security
- Configure ACLs for shares
- Enable audit logging and encryption
DFS Share Configuration
- Configure DFS namespaces
- Implement DFS replication
- Manage DFS referrals
Print Share Configuration
- Configure print services with Samba
- Deploy printer drivers
- Manage print queues
Topic 304: Samba Client Configuration
Linux Authentication Clients
- Configure SSSD for authentication against AD, IPA, LDAP, and Kerberos
- Implement PAM and NSS integration
- Configure offline authentication and caching
Linux CIFS Clients
- Configure Linux CIFS clients
- Implement auto-mounting solutions
- Optimize CIFS performance
Windows Clients
- Configure Windows clients for Samba shares
- Implement Group Policies
- Manage roaming profiles
Topic 305: Linux Identity Management and File Sharing
FreeIPA Installation and Maintenance
- Install and configure FreeIPA servers
- Manage FreeIPA replicas
- Configure integrated services
FreeIPA Entity Management
- Manage FreeIPA users, groups, and hosts
- Configure HBAC and RBAC policies
- Integrate services like sudo, autofs, and SSH
FreeIPA Active Directory Integration
- Establish trust relationships between FreeIPA and AD
- Configure Samba file servers in FreeIPA domains
- Implement unified identity management
Network File System
- Configure NFSv4 with Kerberos authentication
- Implement secure file sharing with NFS
- Manage NFS exports in mixed environments
How do I earn this certification?
Passing 300-300 earns the LPIC-3 Mixed Environment certification. It sits in the Mixed Environment track.
- BSD Specialist - BSD Specialist Certification
- DevOps Tools Engineer - DevOps Tools Engineer
- 303-300 - LPIC-3 SecuritySecurity expertise for mixed environments
- 305-300 - LPIC-3 Virtualization and ContainerizationContainer and VM management skills
- 306-300 - LPIC-3 High Availability and Storage ClustersEnterprise clustering and storage
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
The most effective way to prepare for 300-300 is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
- ACTIVE
- Last content update: 2020-01-01
- Announcement date: 2019-10-01
- Samba 4.19.x Core technology - fundamental to exam objectives • Release date: 2024-09-04
- FreeIPA 4.11.x Major topic in Topic 305 - critical for exam success • Release date: 2024-07-01
- SSSD 2.9.x Essential for authentication topics • Release date: 2024-06-01
- Active Directory Windows Server 2022 Integration target for Samba and FreeIPA • Release date: 2021-08-18
Who should take this exam?
This exam is typically taken by Senior Linux System Administrators and Infrastructure Architects.
- 3-5 years Linux system administration experience
- Experience with Windows/Linux integration
- Knowledge of Active Directory concepts
- Hands-on experience with Samba configuration
- Understanding of enterprise authentication systems