From a recent survey, it is estimated that the average CCIE (Routing and Switching) spends a minimum of 350 hours of practical study on a lab. The basic requirement to pass the CCIE Security exam is hands-on practice in a lab environment. Passing the CCIE Security exam without extensive hands-on experience is nearly impossible.
If you haven't already, start an action plan for getting hands-on practice using a study lab. Three options are available to you:
Use a study lab at your place of work.
Buy the required equipment to create a study lab at home.
Use the services of a remote lab provider.
If you are employed, it is highly probable that your employer is very interested in your attaining the CCIE designation ...