certified wireless network administrator official study guide

... discussed. In addition to wireless LANs (WLANs), wireless personal area networks (WPANs), wireless metropolitan area networks (WMANs), and wireless wide area networks (WWANs) are also taking ... CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 15 Chapter 1 - Introduction to Wireless LANs Answers to Review Questions 1. A. The most alluring feature of a wireless network ... impedance Line of sight logarithm CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 1 - Introduction to Wireless LANs 16 11. A. The first wireless LAN standard was the 802.11...

Ngày tải lên: 14/08/2014, 14:20

... filtering capabilities allowing the administrator to control traffic across the wireless link. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 83 Chapter 4 – Wireless LAN Infrastructure ... bridge CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 4 – Wireless LAN Infrastructure Devices 80 FIGURE 4.7 A point-to-point wireless bridge link Wireless Bridge Server W ir e d ... 4.2 illustrates where an access point is used on a wireless LAN. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 75 Chapter 4 – Wireless LAN Infrastructure Devices FIGURE 4.4 An...

Ngày tải lên: 14/08/2014, 14:20

Ngày tải lên: 14/08/2014, 14:20

Ngày tải lên: 14/08/2014, 14:20

Ngày tải lên: 14/08/2014, 14:20

Ngày tải lên: 14/08/2014, 14:20

Ngày tải lên: 14/08/2014, 14:20

Ngày tải lên: 14/08/2014, 14:20

Ngày tải lên: 14/08/2014, 14:20

Ngày tải lên: 14/08/2014, 14:21

... Microsoft Certified Trainer (MCT), CWNP Certified Wireless Network Administrator (CWNA), Certified Wireless Security Profes- sional (CWSP), and Certified Wireless Network Trainer (CWNT), to name a few. He ... available from CWNP to help one learn vendor-neutral wireless LAN technology. Listed are some of these resources: Self -study materials  Official study guides from Sybex  Online practice exams from ... communications. Extending Existing Networks with Wireless LAN Early wireless networking technology was typically deployed to allow an extension of an existing wired network infrastructure. For example,...

Ngày tải lên: 10/08/2014, 12:21

... twisted pair (UTP) virtual local area networks (VLANs) wireless bridges wireless controllers/switches wireless LAN routers wireless mesh networking wireless repeaters wireless VPN router 38893c02.indd ... communications in the event of a device or path failure. Wireless mesh networking is very popular in the outdoor market. Some examples where wireless mesh networks are currently utilized are: Metropolitan  University ... 3 antennas Mesh Access Points Wireless mesh networking is growing at a steady pace. The term mesh networking has been in existence for many years. In a full mesh network, all nodes connect together...

Ngày tải lên: 10/08/2014, 12:21

... WPA2-personal. Enter the preshared key of the wireless network. The key must be 8 to 63 characters and must match the network key. 7. Connect to the wireless network using the created profile. The wizard ... case. 7. C. A wireless client bridge will connect an Ethernet segment to a wireless network, allow- ing all devices connected to a common physical layer boundary to communicate wirelessly. 8. ... computers—either desk- top or notebook—connected to a network. However, there are many other devices, both wired and wireless, that can connect to a computer network. Wireless LAN client devices include vari- ous...

Ngày tải lên: 10/08/2014, 12:21

... networks. Taking Adjacent-Channel and Co-channel Interference into Consideration when Planning a New Wireless Network As a wireless network engineer, you are tasked with deploying a new wireless ... familiar with the frequencies used for wireless networks. Know the unlicensed ISM and UNII bands available for use with wireless networks. Understand wireless network coverage and capacity. Know ... of IEEE 802.11 wireless networks can be affected when they are co- located with IEEE 802.15 wireless personal area networks or WPANs. Bluetooth is an example of a personal area network. Like...

Ngày tải lên: 10/08/2014, 12:21

... in other technology such as radio and TV. Wireless broadband provides high-speed wireless data communications and wire- less internet over a wide area network. Wideband uses a wide range of frequencies, ... communications using IEEE 802.11 wireless LAN systems; it is implied with RF line of sight. If a wireless LAN engineer was planning on connecting two buildings together using a wireless LAN link, one ... beam) With the large number of wireless LAN devices available, it is a challenging task to accomplish the same polarization for all devices on the network. Performing a wireless LAN site survey...

Ngày tải lên: 10/08/2014, 12:21

... information for a wireless LAN site survey in a new deployment scenario? A. Number of users B. Applications in use C. Other wireless networks D. Cost of equipment 20. Which wireless LAN deployment ... the 2.4 GHz ISM band. Wireless 3G and cellular telephones work in other frequency ranges and do not affect wireless LANs. 900 MHz is not used by IEEE 802.11 wireless networks. CB radios work ... ideal site survey results. How many users anticipate using the wireless network? The number of expected users of the wireless network is valuable information to have. Knowing the number of users...

Ngày tải lên: 10/08/2014, 12:21

... across the wide area network. In wireless networking, the wireless access point can act as a RADIUS client, which means it will have the capability to accept requests from wireless client devices ... Existing Network Characteristics Existing wireless networks can play a big role in a new wireless LAN deployment. Under- standing the current location of infrastructure and other wireless LAN ... deployment? ÛN What effect will the neighboring wireless networks have on this deployment? ÛN Ignoring existing wireless networks may have a significant impact on how the wireless LAN will operate and result...

Ngày tải lên: 10/08/2014, 12:21

... including Ethernet networks, Bluetooth, digital cameras, RFID, and Wi-Fi networks. contention In wireless networking, multiple devices competing for a chance to send data on the network using an ... of use of the wireless network. Carrier Sense Multiple Access/Collision Avoidance (CSMA/CA) An access method used in wireless networking that attempts to avoid collisions on a network. Carrier ... Maintaining Wireless Networks Summary In this chapter, we discussed some troubleshooting and maintenance concerns that may involve wireless networking. This included identifying wireless LAN...

Ngày tải lên: 10/08/2014, 12:21

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