Routing protocols and concepts : CCNA exploration companion guide / Rick Graziani, Allan Johnson.
- Indianapolis, Ind. : Cisco Press, 2008.
- xxxiv, 606p. : col. ill. ; 25 cm. + 1 CD-ROM (4 3/4 in.).
- Cisco Networking Academy series .
- Cisco Networking Academy series Cisco Networking Academy Program series. .