Get your hands on a copy of "Accessing the WAN: CCNA Exploration Companion Guide" by Rick Graziani and Bob Vachon. This textbook offers a wealth of knowledge for those studying for the CCNA exam or anyone interested in networking. The hardcover format ensures that this will be a long-lasting addition to your bookshelf.

Written in English, this publication from Cisco Press has a publication year of 2011 and covers the subject of media. It is a valuable resource for those in the field of networking and beyond. Don't wait any longer to add this text to your collection.