Cisco Systems dominates the internetworking scene with aver 80% market share of the routers used on the Internet. The Cisco Certified Network Associate (CCNA) certification is the first-tier certification in Cisco's Network Support program.

Here's the book you need to prepare the latest Cisco Internetwork Troubleshooting Support (CIT) exam, 642-831. This Study Guide provides: In-depth coverage of key exam topics Practical information on troubleshooting and optimizing Cisco internetworks Hundreds of challenging review questions Leading-edge exam preparation software, including a test engine, sample simulation questions, and electronic flashcards Authoritative coverage of all exam objectives, including: Establishing an optimal system baseline Diagramming and documenting system topology and end system configuration Verifying connectivity at all layers Selecting an optimal troubleshooting approach Planning a network documentation system and baseline monitoring scheme Using Cisco IOS commands and applications to identify and isolate system problems Resolving sub-optimal system performance problems Restoring optimal baseline service Working with external providers and system users to resolve service provision problems Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.

This Exam Cram prepares the reader to pass the CCNP Internetwork/Troubleshooting Exam (640-406), teaching the reader how to baseline and troubleshoot an environment using CISCO routers and switches for multiprotocol client hosts and servers.

Written by a Cisco expert, this exam-prep title prepares students to pass the internetworking and troubleshooting exam for the CCNP. Real-world case studies and more than 500 practice questions help the reader gain practical experience in the topic. The CD-ROM features a Visio graphic package and a Cisco icon package. 200 illus.

CCNP candidates can refer to this title for CIT material included on the CCNP exam. With 500 practice questions, it provides an exclusive interactive exam that links directly to answers in the book. Cover Title

Ben shu shi guan yuCisco gong si deCCNPren zheng kao shi zhong si ke wang luo gu zhang jie jue bu fen de kao qian fu dao jiao cai.