TY  - BOOK
AU  - Johnson,Allan
TI  - 31 days before your CCNA exam: a day-by-day review guide for the CCNA 200-301 certification exam 
SN  - 9780138214258
PY  - 2025///
CY  - Hoboken, New Jersey
PB  - Cisco Press
KW  - Computer networks
KW  - Examinations
KW  - Study guides
N2  - 'This book is a day-to-day countdown review 31 days before taking the CCNA Exam'--
ER  -