The cost of the CCIE security certification exam may vary, depending on the region and test center where the exam is taken. Here is some reference information: Currently, the CCIE security certification exam is divided into two parts: first is the Written Exam, and then the Lab Exam. Written Exam Fee: Based on past experience, the cost of the Written Exam is approximately $300 to $500, and may vary by region. This fee is for taking an online, multiple-choice exam that tests the candidate's understanding of security technologies and solutions. Lab Exam Fee: The lab exam is a key part of the CCIE certification and requires candidates to complete a series of network configuration and troubleshooting tasks. Lab exams are typically expensive, ranging from about $1,500 to $3,000 based on past experience, and may vary by region and exam center. As of 2021, the CCIE security exams will cost approximately between RMB 20,000 and 30,000 in China. However, the exact cost may vary by region and exam center, and the cost may also change over time.