TY  - BOOK
AU  - Lewis, Wayne  
TI  - Cisco networking academy program CCNP 4: network troubleshooting lab companion
SN  - 9788129710222
U1  - 004.65 L589c 
PY  - 2005///
CY  - Delhi
PB  - Pearson Education (Singapore)
KW  - Computer networks
KW  - Security measures
ER  -