The LPIC-2 certification is for IT professionals seeking to validate their skills in managing small to medium-sized mixed networks. It is the second level in the Linux Professional Institute's (LPI) multi-level certification program. Candidates must pass two exams, 201 and 202, covering advanced system administration tasks like kernel management, system startup, file systems, and devices. This certification demonstrates expertise in complex Linux environments, ensuring proficiency in essential administrative functions.

The LPIC-1 Exam 102 is part of the Linux Professional Institute's certification program, validating skills in command line maintenance, installing and configuring Linux systems, and basic networking setup. The current version is 5.0, identified by codes 101-500 and 102-500. This exam ensures candidates can effectively manage Linux environments, demonstrating foundational knowledge and capabilities essential for Linux professionals in various enterprise settings.

The LPIC-1 Exam 101 is part of the Linux Professional Institute's globally recognized LPIC-1 certification. This certification covers essential skills for Linux professionals, including basic maintenance tasks on the command line, installing and configuring a Linux system, and fundamental networking. It serves as a standard benchmark for proficiency in Linux, ensuring candidates can perform key administrative tasks and manage a Linux environment effectively.

The LPIC-3 Exam 306 focuses on High Availability and Storage Clusters, representing the highest level of professional, distribution-neutral Linux certification. It’s designed for enterprise-level Linux professionals to demonstrate their expertise in managing high availability systems and storage. The exam assesses skills in deploying, configuring, and maintaining Linux systems to ensure high availability and efficient storage management. This certification validates advanced capabilities in Linux systems administration.

The LPIC-3 Exam 305 focuses on Virtualization and Containerization, representing the highest level of professional, distribution-neutral Linux certification. Key details include that it is aimed at advanced Linux professionals, testing their expertise in managing virtualization and container technologies. The exam assesses skills in deploying, managing, and troubleshooting virtualized environments and containerized applications. Candidates must have an active LPIC-2 certification to qualify. The certification remains valid for 5 years.

The LPIC-2 Exam 202 is part of the second level of the multi-level professional certification program by the Linux Professional Institute (LPI). It covers a variety of advanced Linux skills and knowledge areas, including but not limited to the configuration of basic and advanced networking, system maintenance, domain name servers, web services, file sharing, network client management, email services, and system security. Specifically, for the Exam 202, topics include domain name server configuration, securing a DNS server, Apache and Nginx web services setup, Samba and NFS file sharing, DHCP configuration, PAM authentication, LDAP client usage, and more.

The LPIC-3 Exam 303, focusing on Security, is part of the Linux Professional Institute's certification program designed for enterprise-level Linux professionals. The current version of the exam is 3.0, coded as 303-300, and it is aimed at assessing your skills in administering Linux systems with an emphasis on security across an enterprise environment. To qualify for the LPIC-3 certification, candidates must have an active LPIC-2 certification. The LPIC-3 Security exam comprises 60 multiple-choice and fill-in-the-blank questions to be completed within 90 minutes. Once obtained, the LPIC-3 certification is valid for a period of 5 years.

The LPIC-3 Exam 300, also known as the LPIC-3 Mixed Environments exam, is the pinnacle of the multi-level professional certification program by the Linux Professional Institute (LPI). This certification is designed for enterprise-level Linux professionals and represents the highest level of professional, distribution-neutral Linux certification within the industry. To receive the LPIC-3 Mixed Environments certification, candidates must already hold an active LPIC-2 certification. The exam, denoted as 300-300, is a 90-minute assessment consisting of 60 multiple-choice and fill-in-the-blank questions. The validity period for the certification is 5 years​ .