Johnson, Allan, <br/><br/>
31 days before your CCNA exam :  a day-by-day review guide for the CCNA 200-301 certification exam / 
Allan Johnson. 
 - Second edition. 
 - xxxvii, 472 pages :  illustrations ;  23 cm. 
<br/><br/> 'This book is a day-to-day countdown review 31 days before taking the CCNA Exam'-- 
<br/><br/><label>ISBN: </label>9780138214258  RM194.94 (PTSL) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Computer networks--Examinations--Study guides.