Description: This test covers general and advanced Linux/UNIX System Administrator skills and duties (covered in Level 1 and Level 2), and adds troubleshooting in complex settings, best administrative practices, advanced systems design. To succeed with this test, IT professional must demonstrate knowledge and skills required for performing advanced system administration duties in diverse Linux/UNIX environments.
Intended audience: This is an appropriate test for experienced/leading system administrators and IT professionals in a wide variety of related roles like DBAs, Linux-based developers, and supporting technicians.
Complexity (on a scale from 1 to 10): 10.
This test covers many typical Linux/UNIX concepts, techniques and practices. Passing this test requires solid skills, deep knowledge and ability to perform under time-pressure. It is a substantial test of knowledge, skills and experience.
Exam Theme:
Boot, Boot Configurations (Grub, Lilo, openboot), Runlevels and Initial Configuration, Traditional Process Management, Traditional User and Group Management, Traditional File Systems Management, Logical Volume Manager, NIS Infrastructure Installation and Management, LDAP Installation and Management, General Network Configuration, Routing, Customized Network Configuration, Traditional System Monitoring Tools, General Performance Improvements, General Bash Scripting Skills, Essential Network Protocols and Services: Media Access Control (ARP, Ethernet, FDDI), Internet layer (IP, ICMP, IGMP,) Transport layer (TCP, UDP, SSL), Application layer (HTTP, IMAP, POP, RIP, DNS, DHCP, SMTP, SNMP), Root Password Recovery Procedures, Backup and Restore Procedures and Practices, Disaster Recovery Practices,
Advanced Kernel Tuneup, Advanced Network Configuration (multi-dome, multi-ip, failover), Multi-Host System Management, HPC, High Reliability Clustering, Remote Redundant Logs Configuration, System and Service Level Redundancy and Failover, Advanced Network Troubleshooting (including packets inspection), Virtual Computing Installation and Maintenance and Best Security Practices,
Troubleshooting in Complex Settings, Best Administrative Practices, Advanced System Design.
