Exam Code: 642-582

Course Name: Wireless LAN for Field Engineers Exam

Vendor: Cisco

Passing Score: 700

Wireless LAN for Field Engineers Exam , also known as 642-582 exam, is a Cisco certification. It targets those IT professionals who wish to work as Network administrators. The networking professionals do the Cisco certifications to acquire more and more out of their existing jobs. These days in IT world you have to be certified in order to play a vital role in any company. When you enter into the Cisco field of study, you will be skilled at using the Cisco technology. Becoming a Cisco certified professional means that you have verified your expertise in the virtual field which improves your chances of getting better jobs, as well as, the potential employers' strong trust in your capabilities. The Tech firms also demand for such IT Professionals trained in Cisco certification.

The 642-582 exam provides you with the technical knowledge and skills to identify important 802.11 regulatory issues, key aspects of RF transmission, main sources of RF noise, and critical noise resolutions. It also enables you to identify and describe the function and use of Cisco AP and Bridge antennas, describe the Cisco SWAN solution and the fundamentals of planning a WLAN deployment, identify and describe critical aspects that affect wireless bridge deployment, and identify and perform basic and advanced AP/bridge configuration using appropriate drivers, functions, and client configuration. Moreover, by passing 642-582 exam you can explain the importance of security in a WLAN and appropriately configure the client/AP to use security measures, and identify and use tools in the Cisco SWAN solution in the management of a WLAN. In order to be able to clarify the essential resources required accomplish stated activities and tasks, you must take the 642-582 exam. As a 642-582 certified you can identify the components of a site survey and describe where access points should be placed based on the assisted site survey tool.

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Course Outline: Wireless LAN for Field Engineers Exam

Identify important 802.11 regulatory issues, key aspects of RF transmission, main sources of RF noise, and critical noise resolutions

Identify the different 802.11 standards set by IEEE and other important agency standards

Identify regulatory issues relating to unlicensed bands

Identify ways for increasing RF transmission performance (data rate)

Describe the sources of RF noise and how to resolve the problem

Identify and describe the function and use of Cisco AP and Bridge antennas

Describe decibel calculations and the uses of various decibel units

Differentiate between dBi and dBd

Define EIRP

Identify cable loss factors

Identify the fundamentals of antenna operation and deployment

Describe the categories of antennas and their uses

Describe Multipath distortion and other RF transmission problems

Describe the operation of the Diversity antenna system

Define basic facts of EIRP

Describe the Cisco SWAN solution and the fundamentals of planning a WLAN deployment

Identify the components of a WLAN and describe their functions

Describe the inline power features of the Cisco Aironet Access Points (1100, 1200)

Identify the functions of various Cisco client (WGB, PCI, mini PCI, PCMCIA, LMC)

Identify workgroup bridge characteristics and functionality

List the fundamentals of planning a WLAN deployment

Identify benefits and concerns of channel reuse

Define the concept of "non-overlapping" channels and the benefit of using these channels

Identify the relationship between data rate and cell size (coverage area)

Define the performance impact of 11b client in cell coverage of an 11g access point

Identify the solution SWAN (Structured Wireless Aware Network)

Describe the operation and uses of repeaters

Describe hot-standby mode and its benefits

Identify and describe critical aspects that affect wireless bridge deployment

Describe deployment considerations such as distance limits and path loss

Describe the difference between an AP and a bridge

Identify considerations for selecting antennas to be used with the Wireless Bridges

List environmental factors affecting wireless performance and calculate path loss (trees, fresnel zone)

Identify items that need to be considered when doing an outdoor path analysis

Describe tools for protecting against lightening-related surges

Identify sealant products and describe their importance for bridges

List methods for increasing the transmission distance

Describe different roles of the Bridges in a Radio Network and installation considerations

Explain and determine the feasibility of installing a wireless bridge link

Explain the difference between a root and non-root Mode bridge

Identify and perform basic and advanced AP/bridge configuration using appropriate drivers, functions, and client configuration

Describe how to perform basic AP configuration tasks such as assigning SSID and IP addresses

Identify methods for determining the IP address for a given AP

Identify the benefits of using filtering options

Identify how to perform initial configurations to both APs and Bridges

Identify where and how to configure advanced features in APs and Bridges

Identify which client operating systems are supported by each of the Cisco client cards

Determine the status of a client card by observing the indicator lights

Identify how an administrator can push out drivers/utilities and configurations to large number of clients

Identify what the wireless system tray Icon can be used for

Detail the steps involved with the configuration of SWAN in a WLAN

Configure Fast Roaming

Explain the importance of security in a WLAN and appropriately configure the client/AP to use security measures

List the benefits of server-based security

Configure basic EAP settings

Set up MAC address filtering as a security tool

Explain how 802.11 and 802.1X can provide better security for a WLAN

Explain how to configure a WLAN to provide the same levels of security that a wired LAN would provide

Explain what WiFi Protected Access is and how it enhances WLAN security

Configure an access point and wireless client to use security measures

Configure Cisco ACS for use with Cisco Aironet products

Identify and use tools in the Cisco SWAN solution in the management of a WLAN

Identify and describe the tools available for managing Cisco Wireless LANs including individual AP tools and managing APs collectively with the Cisco Wireless LAN Solution Engine (WLSE)

Communicate the Structured Wireless Aware Network (SWAN) Architecture relative to the components and wireless LAN management and explain Radio Management

Explain the need for Fast Roaming, detail the steps involved in a Layer 2 roam, and explain the steps involved in Fast Roaming

Identify the components of a site survey and describe where access points should be placed based on the assisted site survey tool

List the key hardware features of the Cisco Aironet 1200 Series AP

Recognize potential design problems associated with network cabling

Identify the components used in a Site Survey

Identify facts and potential problems with mounting antennas and Access Points

Identify how to utilize the AirMagnet Site Survey Tool

Identify how to utilize the WLSE Assisted Site Survey Tool