210-260 Exams Study Guides

Evening all,
I'm struggling to find a good reviewed study book for this exam the CCNA Security 210-260. The Official Cisco Study Guide from Cisco Press has very poor reviews. any suggestions please?
I'm struggling to find a good reviewed study book for this exam the CCNA Security 210-260. The Official Cisco Study Guide from Cisco Press has very poor reviews. any suggestions please?
Comments
Good luck with your CCNA: Security!
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