CCNP SWITCH EXAM CERTIFICATION GUIDE FEBRUARY 2010

Although switched Ethernet’s job is to offer fully dedicated bandwidth to each connected device, assuming that network performance will improve across the board when switching is introduced is a common mistake. For example, consider a workgroup of users connected by a shared-media Ethernet hub. T[r]

Router Gateway Switch PC Server Laptop Multilayer Switch Wireless Router U Wireless Bridge Access Point WLAN Controller LWAPP Access Point LWAPP Network Cloud Serial Line Connection Ethe[r]

John holds a bachelor’s degree in accounting from Tiffin University, Tiffin, Ohio, with minors in math and electrical engineering from General Motors Institute, Flint, Michigan.
Mark J. Newcomb is the owner and lead security engineer for Secure Networks in Spokane, Washington. Mark has over 20 y[r]

Composition: Mark Shirar
iii
Cisco has more than 200 offices worldwide. Addresses, phone numbers, and fax numbers are listed on the Cisco Website at www.cisco.com/go/offices.
CCDE, CCENT, Cisco Eos, Cisco Lumin, Cisco Nexus, Cisco StadiumVision, the Cisco logo, DCE, and Welcome to the Human N[r]

TRANG 1 TRANG 2 800 East 96th Street Indianapolis, Indiana 46240 USA CISCO PRESS CCIE ROUTING AND SWITCHING EXAM CERTIFICATION GUIDE THIRD EDITION TRANG 3 II CCIE ROUTING AND SWITCHING E[r]

The Spanning-Tree Protocol Breaks
The Spanning-Tree Protocol is maintained in each Layer 2 device, a switch or a bridge,
allowing the device to ensure that it has only one path back to the root bridge. Any redundant paths will be blocked, as long as the Layer 2 device continues to see the[r]

Composition: Mark Shirar
Cisco has more than 200 offices worldwide. Addresses, phone numbers, and fax numbers are listed on the Cisco Website at www.cisco.com/go/offices.
CCDE, CCENT, Cisco Eos, Cisco Lumin, Cisco Nexus, Cisco StadiumVision, the Cisco logo, DCE, and Welcome to the Human Network[r]

■ Providing practice exercises on the topics and the testing process via test questions on the CD
In addition, this book uses quite a different style from typical certification-preparation books. The newer Cisco certification exams have adopted a style of testing that essential- ly s[r]

To achieve rates of 1 Mbps and 2 Mbps, 802.11 uses a Barker code. This code defines the use of 11 chips when encoding the data. The 11-chip Barker code used in 802.11 is 10110111000. Certain mathematical details beyond the scope of this book make the Barker code ideal for modulating radio waves. In[r]