Guide to networking essentials/

Tomsho, Greg.

Guide to networking essentials/ Greg Tomsho. - 6th ed. - USA : Course Technology,Cencage Learning, 2011. - xxvi. 722 p. : ill. ; 22 cm.+ CD-ROM(4 3/4 Inc.) - Includes index. .

9781111312565 (pbk. )


Computer networks.