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 exam covers a broad range of topics, including cryptography, access control, application security, operations security, network security, and threat and vulnerability assessment. Detailed objectives of the LPIC-3 303 exam include managing public and private keys, operating and securing a certification authority, and setting up and configuring encrypted file systems, among others. Additionally, it touches on the application of cryptography in DNS, host hardening, intrusion detection, and various access control methodologies such as discretionary and mandatory access controls.

For the most current pricing for the exam in your country, you are directed to check the official LPI website or the LPI Marketplace. The languages available for the exam in VUE test centers are English and Japanese, with online options available as well.