300-300 Verified 2026 Edition

300-300Practice Test

Master the LPIC-3 Mixed Environments v3.0 with the official PlanetCert Practice Test. Access real exam questions, professional-grade detailed explanations, and our advanced adaptive simulator. Pass your certification exam on the first attempt.

281 Total Questions
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Exam Information

Official specifications published by LPI

Exam Format

90 min
60
500
Expert

Registration

$200 USD
Pearson VUE or online proctoring
English, Japanese

Validity

5 years
Pass the current version of the same exam; Pass a higher level LPIC exam; Accumulate 30 PDUs through continuing education

300-300 Exam Topics and Domains

300-300 is organized into 5 weighted domains. Expect to work with Kerberos, LDAP, NSS, PAM, and more.

1

Topic 301: Samba Basics

18%

Samba Concepts and Architecture

Samba Server ComponentsSMB Protocol and NetBIOS
  • Understand Samba 4 architecture and components
  • Knowledge of SMB/CIFS protocol versions
  • Understand the role of different Samba daemons

Samba Configuration

smb.conf ConfigurationLogging Configuration
  • Configure Samba logging including debug classes
  • Implement client-specific logging
  • Configure Samba server parameters in smb.conf

Regular Samba Maintenance

Database Management
  • Perform regular maintenance tasks
  • Manage Samba databases
  • Implement backup and recovery procedures

Troubleshooting Samba

Diagnostic Tools
  • Troubleshoot common Samba issues
  • Use Samba diagnostic tools
  • Analyze log files for problem resolution
2

Topic 302: Samba and Active Directory Domains

28%

Samba as Active Directory Domain Controller

AD DC DeploymentAD Services Integration
  • 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

DNS Configuration for AD
  • Configure DNS for Active Directory
  • Implement dynamic DNS updates
  • Manage AD DNS zones

Active Directory User Management

User and Group Management
  • Manage Active Directory users and groups
  • Implement password and account policies
  • Configure organizational units

Samba Domain Membership

Domain Join Operations
  • Join Samba servers to Active Directory domains
  • Configure domain member services
  • Manage machine accounts

Samba Local User Management

Local User Mapping
  • Configure local user mappings
  • Implement ID mapping strategies
  • Integrate with PAM
3

Topic 303: Samba Share Configuration

17%

File Share Configuration

Share Creation and Management
  • Configure file shares with appropriate permissions
  • Implement VFS modules for enhanced functionality
  • Manage share access controls

File Share Security

Access Control and Permissions
  • Implement share security
  • Configure ACLs for shares
  • Enable audit logging and encryption

DFS Share Configuration

Distributed File System
  • Configure DFS namespaces
  • Implement DFS replication
  • Manage DFS referrals

Print Share Configuration

Print Services
  • Configure print services with Samba
  • Deploy printer drivers
  • Manage print queues
4

Topic 304: Samba Client Configuration

18%

Linux Authentication Clients

SSSD ConfigurationAuthentication Integration
  • Configure SSSD for authentication against AD, IPA, LDAP, and Kerberos
  • Implement PAM and NSS integration
  • Configure offline authentication and caching

Linux CIFS Clients

CIFS Mount Configuration
  • Configure Linux CIFS clients
  • Implement auto-mounting solutions
  • Optimize CIFS performance

Windows Clients

Windows Client Integration
  • Configure Windows clients for Samba shares
  • Implement Group Policies
  • Manage roaming profiles
5

Topic 305: Linux Identity Management and File Sharing

19%

FreeIPA Installation and Maintenance

FreeIPA Deployment
  • Install and configure FreeIPA servers
  • Manage FreeIPA replicas
  • Configure integrated services

FreeIPA Entity Management

User and Host ManagementService Integration
  • Manage FreeIPA users, groups, and hosts
  • Configure HBAC and RBAC policies
  • Integrate services like sudo, autofs, and SSH

FreeIPA Active Directory Integration

Trust RelationshipsSamba Integration with FreeIPA
  • Establish trust relationships between FreeIPA and AD
  • Configure Samba file servers in FreeIPA domains
  • Implement unified identity management

Network File System

NFSv4 Configuration
  • 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.

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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?

Current Status
  • ACTIVE
  • Last content update: 2020-01-01
  • Announcement date: 2019-10-01
Updates
  • 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.

LPIC-2 certification (active)
  • 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

What jobs can I get with this?

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