2010改版CCNP新书.思科官方原版教材-路由/交换/网络排错（ROUTE.642-902 + SWITCH 642-813 + TSHOOT 642-832）
http://www.51chongdian.net/bbs/thread-22755-1-1.html
2010改版CCNP路由新书：CCNP.ROUTE.642-902.Official.Certification.Guide
http://www.51chongdian.net/bbs/thread-22754-1-1.html
2010改版CCNP交换新书_CCNP SWITCH 642-813 Official_Certification_Guide
http://www.51chongdian.net/bbs/thread-22654-1-1.html
2010改版CCNP新书_网络排错：CCNP TSHOOT 642-832 Official_Certification_Guide
http://www.51chongdian.net/bbs/thread-22656-1-1.html