Johnson, Allan,  1962- <br/><br/>
Introduction to networks labs and study guide (CCNAv7) / 
 Introduction to networks 
Allan Johnson. 
 - xxxiii, 427 pages :  illustrations (black and white) ;  28 cm 
<br/><br/><label>ISBN: </label>9780136634454 (pbk.) :  £41.99 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Examinations--Study guides.<br/>Computer networks--Problems, exercises, etc.<br/>Computers and IT.