| Type |  Book |
| ชื่อเรื่อง | Cisco CCNA switching exam certification guide / Tim Boyles and Dave Hucaby |
| ผู้แต่ง | Boyles, Tim |
| ISBN | 1587200007 |
| พิมพลักษณ์ | Indianapolis, IN : Cisco Press, 2001 |
| | Indianapolis, IN : Cisco Systems/Cisco Press, c2001 |
| รูปเล่ม | xxix, 545 p. : ill. + 1 computer optical disc (4 3/4 in.) |
| หัวเรื่อง | Computer networks --Examinations --Study guides [] |
| | Electronic data processing personnel --Certification [] |
| | Telecommunications engineers --Certification [] |
| | Telecommunication --Switching systems --Examinations --Study guides [] |