* Discount code SECURITY confers a 35% discount off the list price of eligible print, eBook, Web Edition, and Practice Test titles, or a 60% discount off the list price of eligible full-course video products purchased on ciscopress.com. Discount not valid on Book + eBook bundles, Book/eBook + Video bundles, individual video lessons, non-discountable products, Rough Cuts, Safari Books Online, or any title featured as eBook Deal of the Week or Video Deal of the Week. Discount code may not be combined with any other offer and is not redeemable for cash. Discount offer expires 11:59 p.m. EST December 31, 2018. Offer subject to change. Publication dates subject to change.