TY  - BOOK
AU  - Dulaney, Emmett 
AU  - Easttom, Chuck
TI  - Comptia security+ study guide : exam SY0-501
SN  - 9788126572649
U1  - 005.8 DUL 
PY  - 2018///
CY  - New Delhi
PB  - Wiley
KW  - Computer technicians - Certification - Study guides
KW  - Computer networks - Examinations - Study guides
KW  - Computer security -- Examinations -- Study guides
ER  -