Carr, Houston H., <br/><br/>
Data communications and network security  
 Data communications & network security. 
Houston H. Carr, Charles A. Snyder. 
 - Boston :  McGraw-Hill Irwin,  c2007. 
 - xxxiv, 526 p. :  ill. ;  27 cm. 
<br/><br/><label>ISBN: </label>0071102973 9780071102971 0072976047 9780072976045 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.<br/>Wireless communication systems--Security measures.
<br/><br/><label>Dewey Class. No.: </label>004.6