หน่วยที่ 5ระบบเครือข่ายคอมพิวเตอร์ไร้สาย
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1. Wireless networks can be used to connect computers, smartphones, and other devices using technologies like Wi-Fi, Bluetooth, and infrared. 2. There are different types of wireless networks including WPAN for personal devices, WLAN for local networks, WMAN for larger areas, and WWAN for worldwide connectivity. 3. Security measures for wireless networks include firewalls, user authentication, data encryption using WEP or WPA keys, and only using approved network adapters.
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5.ระบบเครือข่ายคอมพิวเตอร์ไรสาย
This document discusses wireless networks and their applications. It describes wireless personal area networks (WPANs) which connect devices within about 10 meters, including Bluetooth. Wireless local area networks (WLANs) connect devices within a larger area and buildings, about 100 meters, using Wi-Fi standards like 802.11. WLANs use access points to connect to a wired network and can be configured in ad-hoc or infrastructure modes. Mobility and flexibility are key advantages of wireless networks. Security measures that can be applied include firewalls, user authentication, data encryption using WEP or WPA, and limiting access through the network adapter settings.
หน่วยที่ 5 ระบบเครือข่ายคอมพิวเตอร์ไร้สาย
The document discusses different types of wireless networks including wireless personal area networks (WPANs), wireless local area networks (WLANs), wireless metropolitan area networks (WMANs), and wireless wide area networks (WWANs). It describes key aspects of WLANs such as infrastructure networks with access points connecting devices to a local area network, ad-hoc peer-to-peer networks without access points, and common WLAN hardware including network cards, access points, and security protocols.
หน่วยที่ 5 ระบบเครือข่ายคอมพิวเตอร์ไร้สาย
Wireless networking allows devices to connect to a network without being physically connected with cables. There are different types of wireless networks including Wireless Personal Area Networks (WPANs), Wireless Local Area Networks (WLANs), Wireless Metropolitan Area Networks (WMANs), and Wireless Wide Area Networks (WWANs). Wireless LANs use technologies like 802.11, access points to connect devices within a local area, and can operate in ad-hoc or infrastructure modes. Security measures for wireless networks include firewalls, usernames/passwords, and encryption protocols like WEP and WPA.
หน่วยที่ 5 ระบบเครือข่ายคอมพิวเตอร์ไร้สาย
This document discusses different types of wireless networks including wireless personal area networks (WPANs), wireless local area networks (WLANs), wireless metropolitan area networks (WMANs), and wireless wide area networks (WWANs). It describes key aspects of WLANs such as infrastructure and ad-hoc network configurations, common wireless networking standards like 802.11, and security measures for WLANs including firewalls, user authentication, WEP, and WPA encryption.
5 130923024018-phpapp02
This document discusses different types of wireless networks including wireless personal area networks (WPANs), wireless local area networks (WLANs), wireless metropolitan area networks (WMANs), and wireless wide area networks (WWANs). It describes key aspects of WLANs such as infrastructure and ad-hoc network configurations, common wireless networking standards like 802.11, and security measures for WLANs including firewalls, user authentication, WEP, and WPA encryption.
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This document summarizes Bluetooth security. It begins with an introduction to Bluetooth technology and its history. It then discusses Bluetooth security modes and protocols, including authentication, encryption key generation, and encryption. The document notes some of Bluetooth's most important security weaknesses, such as issues with the encryption algorithms and denial of service attacks. It concludes by listing references for further information on Bluetooth security specifications and research.
Wireless Spreading of WiFi APs Infections Using WPS Flaws
The document discusses security flaws in WiFi access points (APs) that could allow infections to spread wirelessly. The researchers conducted a measurement study in Boston neighborhoods to map networks of APs vulnerable to attacks exploiting WPS flaws. Their analyses found that infections could spread to compromise over 30% of susceptible APs within several months, depending on the connectivity radius. The document calls for more secure authentication, easier AP management, and incentives for vendors to support patching.
เทคโนโลยีสารสนเทศ
1. There are several types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs connect computers within a small geographic area like a home or office while WANs connect LANs together over larger areas.
2. Networks also include intranets, extranets, and the Internet. An intranet is a private network within an organization while an extranet allows controlled access to outside users. The Internet is a global system of interconnected computer networks.
3. Computer networks require both hardware and software. Hardware includes physical devices like routers, switches, and cables. Software includes operating systems, applications, and
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5.ระบบเครือข่ายคอมพิวเตอร์ไรสาย
This document discusses wireless networks and their applications. It describes wireless personal area networks (WPANs) which connect devices within about 10 meters, including Bluetooth. Wireless local area networks (WLANs) connect devices within a larger area and buildings, about 100 meters, using Wi-Fi standards like 802.11. WLANs use access points to connect to a wired network and can be configured in ad-hoc or infrastructure modes. Mobility and flexibility are key advantages of wireless networks. Security measures that can be applied include firewalls, user authentication, data encryption using WEP or WPA, and limiting access through the network adapter settings.
หน่วยที่ 5 ระบบเครือข่ายคอมพิวเตอร์ไร้สาย
The document discusses different types of wireless networks including wireless personal area networks (WPANs), wireless local area networks (WLANs), wireless metropolitan area networks (WMANs), and wireless wide area networks (WWANs). It describes key aspects of WLANs such as infrastructure networks with access points connecting devices to a local area network, ad-hoc peer-to-peer networks without access points, and common WLAN hardware including network cards, access points, and security protocols.
หน่วยที่ 5 ระบบเครือข่ายคอมพิวเตอร์ไร้สาย
Wireless networking allows devices to connect to a network without being physically connected with cables. There are different types of wireless networks including Wireless Personal Area Networks (WPANs), Wireless Local Area Networks (WLANs), Wireless Metropolitan Area Networks (WMANs), and Wireless Wide Area Networks (WWANs). Wireless LANs use technologies like 802.11, access points to connect devices within a local area, and can operate in ad-hoc or infrastructure modes. Security measures for wireless networks include firewalls, usernames/passwords, and encryption protocols like WEP and WPA.
หน่วยที่ 5 ระบบเครือข่ายคอมพิวเตอร์ไร้สาย
This document discusses different types of wireless networks including wireless personal area networks (WPANs), wireless local area networks (WLANs), wireless metropolitan area networks (WMANs), and wireless wide area networks (WWANs). It describes key aspects of WLANs such as infrastructure and ad-hoc network configurations, common wireless networking standards like 802.11, and security measures for WLANs including firewalls, user authentication, WEP, and WPA encryption.
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This document discusses different types of wireless networks including wireless personal area networks (WPANs), wireless local area networks (WLANs), wireless metropolitan area networks (WMANs), and wireless wide area networks (WWANs). It describes key aspects of WLANs such as infrastructure and ad-hoc network configurations, common wireless networking standards like 802.11, and security measures for WLANs including firewalls, user authentication, WEP, and WPA encryption.
Bluetooth security
This document summarizes Bluetooth security. It begins with an introduction to Bluetooth technology and its history. It then discusses Bluetooth security modes and protocols, including authentication, encryption key generation, and encryption. The document notes some of Bluetooth's most important security weaknesses, such as issues with the encryption algorithms and denial of service attacks. It concludes by listing references for further information on Bluetooth security specifications and research.
Wireless Spreading of WiFi APs Infections Using WPS Flaws
The document discusses security flaws in WiFi access points (APs) that could allow infections to spread wirelessly. The researchers conducted a measurement study in Boston neighborhoods to map networks of APs vulnerable to attacks exploiting WPS flaws. Their analyses found that infections could spread to compromise over 30% of susceptible APs within several months, depending on the connectivity radius. The document calls for more secure authentication, easier AP management, and incentives for vendors to support patching.
เทคโนโลยีสารสนเทศ
1. There are several types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs connect computers within a small geographic area like a home or office while WANs connect LANs together over larger areas.
2. Networks also include intranets, extranets, and the Internet. An intranet is a private network within an organization while an extranet allows controlled access to outside users. The Internet is a global system of interconnected computer networks.
3. Computer networks require both hardware and software. Hardware includes physical devices like routers, switches, and cables. Software includes operating systems, applications, and
เทคโนโลยีสารสนเทศ
1. There are several types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs connect computers within a small geographic area like a home or office while WANs connect LANs together over larger areas.
2. Networks also include intranets, extranets, and the Internet. An intranet is a private network within an organization while an extranet allows controlled access to outside users. The Internet is a global system of interconnected computer networks.
3. Computer networks require both hardware and software. Hardware includes physical devices like routers, switches, and cables. Software includes operating systems, applications, and
เทคโนโลยีสารสนเทศ
1. There are several types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs connect computers within a small geographic area like a home or office while WANs connect LANs together over large geographic areas.
2. Computer networks require both hardware and software. Hardware includes physical devices like routers, switches, and cables. Software includes operating systems, applications, and programs that allow for communication and sharing of resources over the network.
3. Common network topologies include centralized networks with a central server, and peer-to-peer networks with shared resources among connected computers. Wide area networks connect local area networks together
เทคโนโลยีสารสนเทศ
1. There are several types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs connect computers within a small geographic area like a home or office while WANs connect LANs together over large geographic areas.
2. Computer networks also include intranets, extranets, and the Internet. An intranet is a private network within an organization while an extranet allows controlled access to outside users. The Internet is a worldwide public network that connects millions of other networks.
3. Networks require both hardware and software. Hardware includes physical devices like routers, switches, and cables. Software includes operating systems
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เทคโนโลยีสารสนเทศ
1. There are several types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs connect computers within a limited area like a home or office while WANs connect LANs together over longer distances using technologies like leased lines.
2. Networks also include intranets, extranets, and the Internet. An intranet is a private network within an organization while an extranet extends an intranet to external users. The Internet is a worldwide public network that connects millions of other networks.
3. Computer networks require both hardware and software. Hardware includes physical devices like routers, switches, and cables while
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A document discusses securing wireless networks at home and on the road. It describes typical home wireless networks which include a wireless router and connected computers. It also explains wireless standards like 802.11b, 802.11g and 802.11n. The document recommends securing home wireless networks by changing default passwords, changing the SSID name, enabling encryption, reviewing logs, and practicing good computer security. When using public wireless networks, it's best to ask permission first before connecting.
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เทคโนโลยีสารสนเทศ
1. There are several types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs connect computers within a small geographic area like a home or office while WANs connect LANs together over larger areas.
2. Networks also include intranets, extranets, and the Internet. An intranet is a private network within an organization while an extranet allows controlled access to outside users. The Internet is a global system of interconnected computer networks.
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เทคโนโลยีสารสนเทศ
1. There are several types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs connect computers within a small geographic area like a home or office while WANs connect LANs together over large geographic areas.
2. Computer networks require both hardware and software. Hardware includes physical devices like routers, switches, and cables. Software includes operating systems, applications, and programs that allow for communication and sharing of resources over the network.
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เทคโนโลยีสารสนเทศ
1. There are several types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs connect computers within a small geographic area like a home or office while WANs connect LANs together over large geographic areas.
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เทคโนโลยีสารสนเทศ
1. There are several types of computer networks including local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs). LANs connect computers within a limited area like a home or office while WANs connect LANs together over longer distances using technologies like leased lines.
2. Networks also include intranets, extranets, and the Internet. An intranet is a private network within an organization while an extranet extends an intranet to external users. The Internet is a worldwide public network that connects millions of other networks.
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Why Go Beyond Encryption
The Beyond Encryption solution allows organizations to securely target and protect sensitive files on devices regardless of location. It enables administrators to remotely lock, unlock, retrieve, or destroy files, with pinpoint accuracy. Commands are executed through reactive, timed, local fencing, or geo-fencing methods. The solution provides full reporting and prevents users from stopping commanded actions. It includes capabilities like disabling hardware or removing software.
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A document discusses securing wireless networks at home and on the road. It describes typical home wireless networks which include a wireless router and connected computers. It also explains wireless standards like 802.11b, 802.11g and 802.11n. The document recommends securing home wireless networks by changing default passwords, changing the SSID name, enabling encryption, reviewing logs, and practicing good computer security. When using public wireless networks, it's best to ask permission first before connecting.
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- https://x.com/viglovikov
- https://www.instagram.com/ternaus/
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หน่วยที่ 5ระบบเครือข่ายคอมพิวเตอร์ไร้สาย
- 1. 1. 5 5.1 1. 2. digital 3. 4. 2 4.1 4.2 5.2 1. 2. 3. 4.
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- 3. 4) 5.6 3. 2 1. Ad-Hoc) 2 Access point) 2. Infrastructure) Access point) 5.7 1. WPAN (Wireless Personal Area Network) 2 IR (Infra-Red) Bluetooth 3 10 2. WLAN (Wireless Local Area Network) 3. WMAN (Wireless Metropolitan Area Network)
- 4. 4. WWAN (Wireless Wide Area Network) 5.8 1. FireWall) 2. 3. User Name and Password) 4. WEP (wired equivalency privacy key) 5. Wi-Fi Protected Access (WPA) WEP Network Adapter