| Type |  Book |
| ชื่อเรื่อง | Cisco Networking Academy Program : CCNA 1 and 2 companion guide / Cisco Systems, Inc., Cisco Networking Academy Program |
| ISBN | 1587131501 |
| | 1587131501 (hbk.) |
| | 9781587131509 |
| | 9781587131509 (hbk.) |
| พิมพลักษณ์ | Indianapolis, IN : Cisco Press, c2005 |
| ครั้งที่พิมพ์ | 3rd ed |
| | 3rd rev. ed |
| | rev. 3rd ed |
| | Revised 3rd ed |
| รูปเล่ม | xxxvi, 1043p. : ill. + 1 compact disc |
| หัวเรื่อง | Computer networks |
| | Computer networks --Examinations, questions,etc [] |
| | Computer networks --Examinations, questions,etc [] |
| | Computer networks --Examinations, questions,etc --Study guides [] |
| | Technology --Study and teaching [] |
| | Telecommunications engineers --Certification [] |