| Type |  Book |
| ชื่อเรื่อง | Cisco Networking Academy Program : CCNA 3 and 4 companion guide / Cisco Systems, Inc., Cisco Networking Academy Program |
| ISBN | 1587131137 |
| | 9781587131134 |
| พิมพลักษณ์ | Indianapolis, IN : Cisco Press, 2003 |
| | Indianapolis, Ind. : Cisco, c2003 |
| ครั้งที่พิมพ์ | 3rd ed |
| รูปเล่ม | xl, 997 p. : ill. + CD-ROM |
| หัวเรื่อง | Computer networks |
| | Computer networks --Examinations --Study guides [] |
| | Computer networks --Examinations --Study guides [] |
| | Electronic data processing personnel |
| | Telecommunications engineers |
| | Telecommunications engineers --Certification [] |
| | Problems, exercises, etc |