TY  - BOOK
AU  - Barker,Keith
AU  - Morris,Scott
ED  - Cisco Networking Academy Program.
TI  - CCNA security 640-554 official cert guide: Learn, prepare and practice for exam success
SN  - 9781587204463 (hbk.)
AV  - TK5105.59 .B357 2013
U1  - 005.8 
KW  - Computer networks
KW  - Electronic data processing personnel
KW  - Telecommunications engineers
N1  - Includes index
N2  - These self-study resources are built with the objective of providing assessment, review, and practice to help ensure you are fully prepared for your certification exam. This guide presents you with an organized test preparation routine through the use of proven series elements and techniques
ER  -