Carr, Houston H <br/><br/>
Data communications and network security 

 - New Delhi  Tata McGraw-Hill  2007 
 - xxxiv, 526p. : ill. ;  
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>70636559 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data communication<br/>Network management<br/>Network security