Carr, Houston H.,  1937- <br/><br/>
Data communications and network security / 
Cover title :  Data communications & network security 
Houston H. Carr, Charles A. Snyder 
 - Boston :  McGraw-Hill/Irwin,  2007 
 - xxxiv, 526 p. :  ill. ;  27 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0072976047 (hbk/)  RM444.85 9780072976045 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures<br/>Wireless communication systems--Security measures