Stallings, William
Data and computer communications - 9th ed. - Upper Saddle River Prentice Hall 2011 - xxv, 853p. : ill., Bibliographical references and index included
9780131392052
COMPUTERS - Data Communication Systems
COMPUTER NETWORKS
COMPUTER SECURITY
INTERNET
004.7 / S8
Data and computer communications - 9th ed. - Upper Saddle River Prentice Hall 2011 - xxv, 853p. : ill., Bibliographical references and index included
9780131392052
COMPUTERS - Data Communication Systems
COMPUTER NETWORKS
COMPUTER SECURITY
INTERNET
004.7 / S8