A Guide to JUNOS Software and Enterprise Certification [amazon_link asins=’0596514425′ template=’ProductAd’ store=’orahome-21′ marketplace=’UK’ link_id=’55d7bd9c-bcd8-11e8-9f01-cf10e0cf27e7′] ISBN: 0596514425 Pages: 812 Publisher: O’Reilly Topic: Junos Written by Doug Marschke and Harry Reynolds, instructors and creators of the JNTCP-ER Certification Exams, JUNOS Enterprise Routing