CWNA Chapter 20 – Bring Your Own Device (BYOD)

My Notes from chapter 20 of the CWNA study guide Mobile Device Management Company-issued devices versus personal devices An MDM solution can be used to manage both company-issued devices and personal devices. the management of CID and BYOD is quite different. The management strategy for company mobile devices usually entails more in-depth security because very …

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CWNA Chapter 19 – Very High Throughput (VHT) and 802.11ac

My Notes from chapter 19 of the CWNA study guide 802.11ac-2013 amendment 802.11ac technology does not operate in the 2.4 GHz ISM band, only the 5 GHz U-NII bands. 5 GHz only 802.11ac expands channel widths even further than 802.11n, with channel widths of 80 MHz and 160 MHz. Due to the limited frequency space …

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CWNA Chapter 18 – 802.11n

My Notes from chapter 18 of the CWNA study guide 802.11n-2009 amendment Defines High Throughput (HT) Clause 20 radios that use multiple-input, multiple-output (MIMO) technology in unison with Orthogonal Frequency Division Multiplexing (OFDM) technology Benefits of using MIMO are increased throughput and even greater range 802.11n radios are backward compatible with legacy 802.11a/b/g radios A …

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CWNA Chapter 17 – Power over Ethernet (PoE)

My Notes from chapter 17 of the CWNA study guide History of PoE Eventually, some of the networking devices became small enough, both physically and electronically, that it became possible and practical not only to use the Ethernet cable to transmit data to the device, but also to send the electricity necessary to power the …

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CWNA Chapter 16 – Site Survey Systems and Devices

My Notes from chapter 16 of the CWNA study guide Site survey defined Protocol and spectrum analysis Ten years ago, if you wanted to plan and design a wireless network, the likelihood of interference from other networks or wireless devices was much less than it is now. A spectrum analyser will help identify whether there …

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CWNA Chapter 15 – Radio Frequency Site Survey Fundamentals

My Notes from chapter 15 of the CWNA study guide WLAN site survey interview Customer briefing If a wireless network is being planned for your company or for a prospective client, it is highly recommended that you sit management down, give them an overview of 802.11 wireless networking, and talk with them about how and …

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CWNA Chapter 14 – Wireless Attacks, Intrusion Monitoring and Policy

My Notes from chapter 14 of the CWNA study guide Wireless attacks Rogue wireless devices A potential open and unsecured gateway straight into the wired infrastructure that the company wants to protect. However, what is there to prevent an individual from installing their own wireless portal onto the network backbone? A rogue access point is …

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