Software versions are constantly updated. Be sure to verify revision levels at the following URL:
http://www.cisco.com/en/US/learning/le3/ccie/security/preparing_lab_exam.html You should expect the CCIE lab exams to mirror the general deployment releases by Cisco.
Make sure you practice with and understand these devices. Practice configuring almost every Cisco IOS feature and fully understand what each Cisco IOS command actually enables, rather than just relying on limited experience with certain commands. Anyone can configure a Cisco router, but the ability to understand the full consequence of any Cisco IOS command is crucial to the CCIE Security lab exam.
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