cisco ccna exam 640 607 certification guide

... chapter covers the following subjects: I The Cisco IOS Software Command-Line Interface I Configuring Cisco IOS Software I Upgrading Cisco IOS Software and the Cisco IOS Software Boot Process 0945_01f.book ... Questions Covered in This Section The Cisco IOS Software Command-Line Interface 1, Configuring Cisco IOS Software 3–6, 9–10 Upgrading Cisco IOS Software and the Cisco IOS Software Boot Process 7–8 ... 2, 2003 3:53 PM 176 Chapter 7: Operating Cisco Routers Foundation Topics The Cisco IOS Software Command-Line Interface The majority of Cisco routers run Cisco IOS Software IOS supplies several

Ngày tải lên: 13/08/2014, 13:21

... Conversely, Cisco routers all use a single operating system, called Cisco IOS Software, and the commands work the same on every router So, Cisco can easily cover router configuration on the CCNA exams, ... importance of LAN switches to Cisco Also, the vast majority of end-user devices connect to a network by connecting to a LAN switch So, it’s no surprise that the CCNA certification exams cover switching ... Trang 1C H A P T E R 8Operating Cisco LAN Switches Cisco’s LAN switch revenue surpassed router revenues about the time that the CCNA certification was first announced back in 1998,

Ngày tải lên: 13/08/2014, 13:21

... 282-287 using Cisco Configuration Assistant, 288 using web browser, 287-288 Cisco 2106 WLC, 183 Cisco 3750-G WLC, 182 Cisco 44xx series WLC, 182 Cisco Aironet 1300 series wireless bridge, 61 Cisco Aironet ... bridge, 61 Cisco Configuration Assistant, configur-ing Cisco 526 controller, 288 Cisco Mobility Express, 277, 280 communities, 288 versus CUWN, 282 Cisco Spectrum Expert, 423-425 Cisco Unified ... 180 client devices, 176 wireless LAN controllers, 181 Cisco 2106 WLC, 183 Cisco 3750-G WLC, 182 Cisco 44xx series WLC, 182 Cisco WiSM, 183 Cisco WLCM, 184 wireless network management, 185 G-H

Ngày tải lên: 04/07/2014, 18:20

... Trang 2Cisco Press800 East 96th Street Indianapolis, IN 46240 CCNA Wireless Official Exam Certification Guide Brandon James Carroll Trang 3CCNA Wireless Official Exam Certification GuideBrandon ... CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, CCVP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity, Collaboration ... 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

Ngày tải lên: 04/07/2014, 18:20

... Process 215 The Layer 3 Roaming Process 216 xii CCNA Wireless Official Exam Certification Guide 00_1587202115_fm.qxd 9/29/08 2:42 PM Page xii Exam Preparation Tasks 221 Review All the Key Topics ... to Connect to a Wireless LAN 307 Cisco Wireless LAN Adapters 307 Installing the ADU 308 Configuring a Profile 310 xiv CCNA Wireless Official Exam Certification Guide 00_1587202115_fm.qxd 9/29/08 ... Resetting the Controller to the Defaults 398 xvi CCNA Wireless Official Exam Certification Guide 00_1587202115_fm.qxd 9/29/08 2:42 PM Page xvi Exam Preparation Tasks 400 Review All the Key Topics

Ngày tải lên: 04/07/2014, 18:20

... and remember those xxi Take 640-822 (ICND1) Take 640-816 (ICND2) or 640-802 (CCNA) CCENT Certification CCNA Certified Take 640-721 (IUWNE) CCNA Wireless Certification 00_1587202115_fm.qxd ... CCNA Wireless certification is to introduce you to the Cisco Unified Wireless Network (CUWN). In June 2008, Cisco announced new CCNA specialties, including CCNA Security, CCNA Wireless, and CCNA ... Foreword CCNA Wireless Official Exam Certification Guide is an excellent self-study resource for the Cisco IUWNE (640-721) exam. Passing the IUWNE exam validates the knowl- edge

Ngày tải lên: 04/07/2014, 18:20

... guidelines Table 2-4 compares the Cisco standards to the ETSI standards for EIRP The table shows the governing body maximum transmitted power, maximum gain, and EIRP compared to that of the Cisco ... within the guidelines of the governing body Likewise, re-ducing the transmit power to 13 dBm and increasing the gain to 7 dBi keeps the EIRP at 20 dBm—within the guidelines Table 2-4 Cisco Versus ... FCC antenna requirements versus Cisco stan-dards (point-to-point) 25 Table 2-3 FCC antenna requirements versus Cisco stan-dards (point-to-multipoint) 25 Table 2-4 Cisco versus ETSI EIRP standards

Ngày tải lên: 04/07/2014, 18:20

... different distances to overcome this For example, for a 2.4-GHz system, at 7 miles you need to have the anten-nas mounted at 45 to 50 feet Although this is just an example, the numbers are pretty close, ... against in the real world Again, do not spend too much time on this in preparation for the CCNA wireless exam, because it is not a concept you will be tested on Received Signal Strength Indicator ... width that a wave will be so you can make sure that no obstacles are in the path Note: While at the CCNA wireless level, you should not need to calculate the Fresnel zone You can find the actual formula

Ngày tải lên: 04/07/2014, 18:20

... normally very high Note: Cisco offers a WiMax solution; however, this is not covered in this book For more information on the Cisco WiMax solution, visit http://www.cisco.com/go/wimax WWAN A ... communicate through the hub if it wanted to communicate with the others Cisco offers the Cisco Aironet 1300 series wireless bridge and the Cisco Aironet 1400 series wireless bridge When using a 1400 se-ries, ... upstream Cisco APs, and the AP sees multiple Ethernet clients ■ Universal Workgroup Bridge (uWGB):The uWGB is supported on IOS AP version 12.4(11)XJ and later It allows bridging to upstream non-Cisco

Ngày tải lên: 04/07/2014, 18:20

... 8Antenna Connectors and HardwareCisco uses a connector called the RP-TNC, which stands for Reverse-Polarity Threaded Neill-Concelman, named for its inventor Another type that Cisco uses is the N connec-tor, ... Figure 5-19 AIR-ANT1949 Yagi Figure 5-19 shows the AIR-ANT1949, another yagi antenna offered by Cisco This yagi is a high-gain antenna at 13.5 dBi Its H-plane and E-plane are shown in Figures ... manufacturer documentation or look for manufacturer markings that in-dicate how to mount the antenna On a Cisco yagi, the bottom usually is inin-dicated by a black dot Remember that if you mount it incorrectly,

Ngày tải lên: 04/07/2014, 18:20

... to resend However, protection mechanisms are built in To understand how this protection works, examine Figure 6-1 Assume that initially 802.11b clients do not exist The default behavior of an ... the operator For this reason, understanding the EIRP maximum values will help keep you within the guidelines The ETSI, of course, has its own rules, as seen in Table 6-8 Table 6-6 The UNII Frequency ... called a 3×3 Two receive chains and two data streams is called a 2×2 This is important because the Cisco 1250 AP is a 2×3 device If you have a laptop that is a 2×2, you can start to see how this

Ngày tải lên: 04/07/2014, 18:20

... Cisco Unified Wireless networks use deauthentication and disassociation messages to contain rogue APs This concept is a little outside of this discussion but will be covered in Chapter 10, “Cisco ... mandatory For example, 24 Mbps might be mandatory, but an AP might also be capable of 54 Mbps A client must support 24 Mbps but is allowed to use the best rate possible, in this example 54 Mbps ... (CF-Poll) and acknowledges receipt of the client data (CF-ACK) Other variations exist, but from these examples you should have a decent understanding of PCF operation Power Save Mode and Frame Types

Ngày tải lên: 04/07/2014, 18:20

... phone’s contacts and PDA calendar with Outlook, and using your mouse to print that new white paper on Cisco.com, all while playing a video game Imagine the wire mess you would have without Bluetooth ... sources of interference will save you some time in determining where to place APs and clients Trang 10Exam Preparation TasksReview All the Key Topics Review the most important topics from this chapter,

Ngày tải lên: 04/07/2014, 18:20

... 179 180 CCNA Wireless Official Exam Certification Guide Courtesy of Cisco Systems, Inc. Unauthorized use not permitted. Figure 10-6 Cisco 1300 Series AP The 1400 Series Wireless Bridge The Cisco ... 12_1587202115_ch10.qxp 9/29/08 2:41 PM Page 177 178 CCNA Wireless Official Exam Certification Guide Courtesy of Cisco Systems, Inc. Unauthorized use not permitted. Figure 10-4 Cisco 1240AG Series AP for external ... 9/29/08 2:40 PM Page 175 176 CCNA Wireless Official Exam Certification Guide The next functional area of the CUWN architecture—network management—is provided by the Cisco wireless control module.

Ngày tải lên: 04/07/2014, 18:20

... permitted. Figure 10-10 Cisco WiSM Trang 3Courtesy of Cisco Systems, Inc Unauthorized use not permitted.Figure 10-11 Cisco 2106 Series Wireless LAN Controller Courtesy of Cisco Systems, Inc Unauthorized ... mobility domain The Cisco 2106 WLC The Cisco 2106 Wireless LAN Controller, shown in Figure 10-11, is also a single-rack unit design with eight 10/100 Ethernet ports Courtesy of Cisco Systems, Inc ... the physical ports The Cisco WiSM The Cisco WiSM, shown in Figure 10-10, is a services module that installs in the 6500 se-ries switch or 7600 sese-ries router with the Cisco Supervisor Engine

Ngày tải lên: 04/07/2014, 18:20

... mode The Layer 2 mode is considered out of date, and Cisco prefers and recommends Layer 3 mode Layer 3 mode is the default LWAPP mode on most Cisco devices At a high level, and after the AP has ... with an LWAPP discovery response message Note: Only Cisco 1000 Series LAPs support Layer 2 LWAPP mode Also, Layer 2 LWAPP mode is not supported on Cisco 2000 Series WLCs These WLCs support only Layer ... Redundancy is a part life You need to be familiar with two forms of redun-dancy for the CCNA Wireless exam: ■ AP redundancy ■ Controller redundancy AP redundancy is seen when APs exist in the

Ngày tải lên: 04/07/2014, 18:20

... controller is down at a time ■ N + N:This design allows each controller to back up the other For example, AP-1 points to WLC1 as its primary and WLC2 as its secondary AP-2 points to WLC2 as its ... redundant design Each controller backs up the other, and an extra is designed as a backup Take the same example as N + N but add a third controller, WLC-BACKUP, that every AP points to as the tertiary ... site The big issue is that the controller is connected via a WAN link, so you must follow certain guidelines: ■ The link cannot be any slower than 128 kbps ■ Roundtrip latency cannot be more than

Ngày tải lên: 04/07/2014, 18:20

... basis Note: The protocol used for tunneling is known as EoIP It’s beyond the scope of the CCNA Wireless exam, but you can find more information in RFC 3439 You should configure the same mobility ... different mobility groups, but must remain inside the same mobility domain Con-sider the following examples Figure 12-4 shows a client transmitting data and moving from AP1 to AP2 These two APs are ... one of these precautions is Reverse Path Filtering (RPF), a function used by routers The router examines all packets received as input on that inter-face to make sure that the source address and

Ngày tải lên: 04/07/2014, 18:20

... it is good to go Naming Access Points Still, you might want to do some tweaks to the network For example, suppose that you have two APs One AP is in the lobby, and the other is in the research ... on the controller if you ever move the AP or swap it out Also, it is good practice to label the Cisco PoE switch port with the same name This helps when you are troubleshooting any issues and ... your own deployment The term other AP in this case simply refers to the only other AP used in the example Step 8. Repeat Steps 5 through 7 to assign a different name and location for the Re-search_Lab

Ngày tải lên: 04/07/2014, 18:20

... of detecting radios. Examine Figure 13-22. Notice that 20 of 32 rogues are 15_1587202115_ch13.qxp 9/29/08 2:41 PM Page 253 254 CCNA Wireless Official Exam Certification Guide Figure 13-21 Review ... the Cisco Controller 255 Figure 13-22 Rogue APs Figure 13-23 Contain the Rogue AP Key Topi c 15_1587202115_ch13.qxp 9/29/08 2:41 PM Page 255 256 CCNA Wireless Official Exam Certification Guide ... 252 CCNA Wireless Official Exam Certification Guide Figure 13-20 Radio Statistics ■ 802.11a/n Radios / 802.11b/g/n Radios:

Ngày tải lên: 04/07/2014, 18:20