| Type |  Book |
| ชื่อเรื่อง | 31 days before your CCNA security exam : a day-by-day review guide for the IINS 210-260 certification exam / Patrick Gargano |
| ผู้แต่ง | Gargano, Patrick Author |
| ISBN | 1587205785 |
| | 9781587205781 (paperback) |
| รูปเล่ม | xxvi, 323 pages : illustrations ; 23 cm |
| หัวเรื่อง | Computer networks --Security measures --Examinations, questions,etc --Study guides [] |
| | Electronic data processing personnel --Certification --Study guides [] |