Wade Edwards, "CCNP: Complete Study Guide (642-801, 642-811, 642-821, 642-831)"(repost)

The mid-level Cisco Certified Network Professional (CCNP) certification validates advanced knowledge of Cisco-based networks. This single volume, from the leader in certification, provides complete and up-to-date coverage of all four exams required for the CCNP certification: 642-801, 642-811, 642-821, and 642-831. Not only is it handy to have all the necessary study information compiled in one guide, it is also the most economical self-study solution.