Prepare with Symantec 251-251 exam practice material, pass for sure

Updated: Aug 02, 2026

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Symantec 251-251 Exam Overview:

Certification Vendor:Symantec
Exam Name:Administration of HA Solutions for UNIX (VCS 5.0)
Exam Number:251-251
Exam Price:$49–$130 USD (varies by region/provider)
Exam Format:Multiple Choice Questions, Scenario-based Questions
Passing Score:Not publicly disclosed
Available Languages:English
Related Certifications:Veritas Cluster Server (VCS)
Symantec High Availability Solutions
Certificate Validity Period:Not publicly specified / typically lifetime or product-version based
Exam Duration:90-120
Real Exam Qty:120-150 (varies by exam version)
Exam Way:Typically proctored exam (online or test center depending on provider)
Pre Condition:Basic knowledge of UNIX/Linux system administration and networking; familiarity with clustering concepts recommended

Symantec 251-251 Exam Syllabus Topics:

SectionObjectives
Troubleshooting and Maintenance- Common VCS issues
  • 1. Network heartbeat failures
    • 2. Service group offline troubleshooting
      - Logging and diagnostics
      • 1. Debugging tools in VCS
        • 2. Cluster log analysis
          High Availability Concepts- VCS architecture overview
          • 1. Cluster communication mechanisms
            • 2. Engine components (HAD, LLT, GAB)
              - HA architecture principles in UNIX environments
              • 1. Clustering fundamentals (active-active / active-passive)
                • 2. Service failover concepts
                  Fault Detection and Failover- Monitoring and heartbeat mechanisms
                  • 1. LLT communication monitoring
                    • 2. GAB membership monitoring
                      - Failover behavior and policies
                      • 1. Failover triggers and recovery actions
                        • 2. Automatic vs manual failover
                          Veritas Cluster Server (VCS) Administration- Resource and service group management
                          • 1. Service group types and dependencies
                            • 2. Resource agents and attributes
                              - Cluster configuration and setup
                              • 1. Installing VCS on UNIX systems
                                • 2. Initial cluster configuration

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