Who should take CCIE Security v5.0?
CCIE Security certification tests the expert level ability of a candidate to secure a large-scale network. This certification qualifies you to manage, lead and design the most complex network security solution. Traditionally, you could have taken CCIE Security 350-018 version 4.1 Written Exam and after clearing it you needed to take it's equivalent Lab version 4.0 but last day to test is January 30, 2017.

Now, after January 31, 2017; you will have to take revised CCIE Security v5.0 exam, also known as 400-251 CCIE Security. Following is the comparison in both of the exams.