cwna certified wireless network administrator official study guide ebook
cwna certified wireless network administrator official study guide phần 2 docx
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... 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 ... peacefully.
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 ... spread spectrum wireless data transfer originate?
A. WECA
B. WLANA
C. FCC
D. U.S. Military
CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc.
Chapter 1 - Introduction to Wireless LANs...
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cwna certified wireless network administrator official study guide phần 3 doc
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... 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
... rate was increased to 10 Mbps.
CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc.
Chapter 4 – Wireless LAN Infrastructure Devices 82
FIGURE 4.9 A wireless bridge in repeater mode
...
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cwna certified wireless network administrator official study guide phần 4 pot
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... additional access points.
CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc.
CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc.
Antennas and Accessories
CWNA Exam Objectives ... for any
CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc.
93 Chapter 4 – Wireless LAN Infrastructure Devices
scale wireless LAN environments providing a multitude of manageable wireless ... Converter
CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc.
Chapter 4 – Wireless LAN Infrastructure Devices 102
20. D. A USB adapter connects a computer’s USB port to a wireless network...
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cwts certified wireless technology specialist official study guide exam pw0 070 phần 1 ppt
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... 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,...
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cwts certified wireless technology specialist official study guide exam pw0 070 phần 2 ppsx
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... 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...
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cwts certified wireless technology specialist official study guide exam pw0 070 phần 3 ppt
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... 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 ... 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 ... now 64-bit bus. Wireless networks are no stranger to PCI. Even though
wireless is often thought of as portable or mobile, in many cases stationary desktop comput-
ers can utilize wireless LAN connectivity...
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cwts certified wireless technology specialist official study guide exam pw0 070 phần 4 pps
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... 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...
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cwts certified wireless technology specialist official study guide exam pw0 070 phần 5 potx
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... is fairly simple to demonstrate antenna polarization with a notebook computer or other
wireless LAN device and either a wireless network adapter client utility or other third-
party software ... 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...
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cwts certified wireless technology specialist official study guide exam pw0 070 phần 7 pptx
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... 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 ... candidate to use the roaming features of an IEEE 802.11g wireless
computer network?
A. Notebook computer
B. PDA
C. Voice handset
D. Wireless camera
10. Which is a main factor in determining ... 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...
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cwts certified wireless technology specialist official study guide exam pw0 070 phần 8 pps
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... –72 –67 –72
6/5.5 –79 –74 –75
2 –81 –76 N/A
1 –84 –79 N/A
Source: Certified Wireless Network Administrator (CWNA)
In IEEE 802.11 wireless LAN technology, the received signal strength indi-
cator ... 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...
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cwts certified wireless technology specialist official study guide exam pw0 070 phần 10 potx
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... 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...
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