Computer networking :  principles and practice / 
Byrne, Paxton 
 - New York :  Willford Press,  2020. 
 - vi, 221 p.: col. ill.; 25.5 cm. 
<br/><br/>Includes premissions and index 
<br/><br/><label>ISBN: </label>9781682858615 
<br/><br/><label>Dewey Class. No.: </label>C 004.6 B995 2020