Here's the book you need to prepare for Cisco's Building Scalable Cisco Internetworks (BSCI) exam, 642-801. This Study Guide provides: In-depth coverage of key exam topics Practical information on designing and implementing scalable Cisco internetworks Hundreds of challenging review questions Leading-edge exam preparation software, including a test engine, and electronic flashcards Authoritative coverage of all exam objectives, including: Using classful, classless, distance vector, and link state routing protocols Using VLSM to extend IP addresses Configuring EIGRP, OSPF, BGP, and IS-IS environments Configuring and verifying router redistribution in a network Configuring policy-based routing using route maps Utilizing the three-layer hierarchical design model Identifying IP addressing schemes, including features of IPv6 Verifying OSPF operation in a single and multiple areas Ensuring proper operation of Integrated IS-IS on Cisco routers Interpreting the output of various show and debug commands Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.