01162cam a22003017i 4500 GSU 20251211155751.0 170123t20172017inua 001 0 eng d 2017931952 9781587147029 (hardcover) eng GSU rda GSU TK5105.59 SAN Santos, Omar author CCNA Cyber Ops SECFND 210-250 official cert guide / Omar Santos, Joseph Muniz, Stefano de Crescenzo. Indianapolis, Indiana : Cisco Press, ©2017 xxxviii, 633 pages : illustrations ; 24 cm text txt rdacontent unmediated n rdamedia volume nc rdacarrier Includes index. Electronic data processing personnel Certification Study guides. Computer networks Security measures Examinations Study guides. Computer networks Security measures Examinations. Electronic data processing personnel Certification. Muniz, Joseph, author. De Crescenzo, Stefano, author. lcc BK TK5105.59 TK SAN 0 2599 2599 0 0 lcc 0 0 GC GSULE GSULE GEN 2025-12-08 B A I 05457 0 TK5109.59 SAN 50000006670 2025-12-08 11:13:53 1 2025-12-08 BK