quinta-feira, 11 de janeiro de 2018

What is HEVC | High Efficiency Video Coding | Codificação de Vídeo de Alta Eficiência

High Efficiency Video Coding (HEVC) (ENGLISH)
Codificação de Vídeo de Alta Eficiência (HEVC) (PORTUGUESE | PORTUGUÊS)
Codage vidéo haute efficacité (HEVC) (FRENCH | FRANÇAIS)
Codificación de video de alta eficiencia (HEVC) (SPANISH | ESPAÑOL)
Hochleistungs-Videokodierung (HEVC) (GERMAN | DEUTSCHE)
Codifica video ad alta efficienza (HEVC) (ITALIAN | ITALIANO)
高效率视频编码(HEVC) (CHINESE | 中文)
Высокоэффективное видеокодирование (HEVC) (RUSSIAN | РУССКИЙ)

High Efficiency Video Coding (HEVC)

High Efficiency Video Coding (HEVC) is also known as H.265 or MPEG-H Part 2, which is a video compression standard, which is the video compression version that replaces h264 or mpeg4-part10. The new version of the compression codec offers twice the compression rate of the previous one while maintaining the same level of video quality. It can also be used with higher video resolutions up to 8K UHD (7680 × 4320 pixels).

The HEVC benefits by using larger coding zone sizes, using larger areas where pixels can be repeated in the next frame, allowing other smaller zones to efficiently benefit from an encryption that varies in the following frames, thus maintaining a high quality with size reduced file size.


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PORTUGUESE | PORTUGUÊS
Codificação de Vídeo de Alta Eficiência (HEVC)

A Codificação de Vídeo de Alta Eficiência (HEVC) é também conhecida por H.265 ou MPEG-H Part 2, que é um padrão de compressão de vídeo, que é a versão de compressão de vídeo que substitui o h264 ou mpeg4-part10. A nova versão do codec de compressão oferece o dobro da taxa de compressão do anterior, mantendo o mesmo nível de qualidade de vídeo. Também podendo ser utilizado com maiores resoluções de vídeo até UHD 8K (7680 × 4320 pixel).

O HEVC beneficia usando maiores tamanhos de zonas de codificação, usando maiores áreas em que os pixels podem ser repetidos no próximo frame, permite que outras zonas mais pequenas podem beneficiar eficientemente de uma encriptação que varia nos seguintes frames, assim mantendo uma qualidade elevada com tamanho de ficheiro reduzido.


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FRENCH | FRANÇAIS
Codage vidéo haute efficacité (HEVC)

Le codage vidéo haute efficacité (HEVC) est également connu sous le nom H.265 ou MPEG-H Part 2, qui est un standard de compression vidéo, qui est la version de compression vidéo qui remplace h264 ou mpeg4-part10. La nouvelle version du codec de compression offre deux fois le taux de compression du précédent tout en conservant le même niveau de qualité vidéo. Il peut également être utilisé avec des résolutions vidéo supérieures jusqu'à 8K UHD (7680 × 4320 pixels).

Le HEVC profite de tailles de zone de codage plus grandes, utilisant des zones plus larges où les pixels peuvent être répétés dans la trame suivante, permettant aux autres zones de bénéficier efficacement d'un chiffrement qui varie dans les trames suivantes.


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SPANISH | ESPAÑOL
Codificación de video de alta eficiencia (HEVC)

La Codificación de video de alta eficiencia (HEVC) también se conoce como H.265 o MPEG-H Parte 2, que es un estándar de compresión de video, que es la versión de compresión de video que reemplaza h264 o mpeg4-part10. La nueva versión del códec de compresión ofrece el doble de velocidad de compresión que la anterior, manteniendo el mismo nivel de calidad de video. También se puede usar con resoluciones de video superiores a 8K UHD (7680 × 4320 píxeles).

El HEVC se beneficia utilizando tamaños de zona de codificación más grandes, utilizando áreas más grandes donde los píxeles se pueden repetir en el siguiente cuadro, permitiendo que otras zonas más pequeñas se beneficien eficientemente de un cifrado que varía en los siguientes cuadros, manteniendo una alta calidad con tamaño de archivo reducido .


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GERMAN | DEUTSCHE
Hochleistungs-Videokodierung (HEVC)

HEVC (High Efficiency Video Coding) wird auch als H.265 oder MPEG-H Part 2 bezeichnet. Hierbei handelt es sich um einen Videokompressionsstandard, bei dem es sich um die Videokompressionsversion handelt, die h264 oder mpeg4-part10 ersetzt. Die neue Version des Komprimierungs-Codecs bietet die doppelte Komprimierungsrate des vorherigen, bei gleichbleibender Videoqualität. Es kann auch mit höheren Videoauflösungen von bis zu 8K UHD (7680 × 4320 Pixel) verwendet werden.

Das HEVC profitiert von der Verwendung größerer Codierungszonengrößen, wobei größere Bereiche verwendet werden, in denen Pixel im nächsten Bild wiederholt werden können. Dadurch können andere kleinere Zonen effizient von einer Verschlüsselung profitieren, die in den folgenden Bildern variiert, so dass eine hohe Qualität mit reduzierter Dateigröße erhalten bleibt .


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ITALIAN | ITALIANO
Codifica video ad alta efficienza (HEVC)

HEVC (High Efficiency Video Coding) è anche noto come H.265 o MPEG-H Part 2, che è uno standard di compressione video, che è la versione di compressione video che sostituisce h264 o mpeg4-part10. La nuova versione del codec di compressione offre il doppio del tasso di compressione del precedente, mantenendo lo stesso livello di qualità video. Può anche essere utilizzato con risoluzioni video superiori fino a 8K UHD (7680 × 4320 pixel).

HEVC beneficia di dimensioni di zona di codifica più grandi, utilizzando aree più grandi in cui i pixel possono essere ripetuti nel fotogramma successivo, consentendo alle altre zone più piccole di trarre vantaggio in modo efficiente da una crittografia che varia nei seguenti frame, mantenendo così un'alta qualità con dimensioni ridotte del file .


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CHINESE | 中文
高效率视频编码(HEVC)

高效视频编码(HEVC)也被称为H.265或MPEG-H第2部分,它是视频压缩标准,它是替代h264或mpeg4-part10的视频压缩版本。 新版本的压缩编解码器提供了前一个压缩率的两倍,同时保持相同的视频质量。 它也可以用于更高的视频分辨率高达8K UHD(7680×4320像素)。

HEVC通过使用较大的编码区域大小而获益,使用较大的区域,其中像素可以在下一帧中重复,允许其他较小的区域有效地受益于在随后的帧中变化的加密,从而保持高质量,尺寸减小的文件大小。


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RUSSIAN | РУССКИЙ
Высокоэффективное видеокодирование (HEVC)

Высококачественное видеокодирование (HEVC) также известно как H.265 или MPEG-H Part 2, который является стандартом сжатия видео, который представляет собой версию сжатия видео, которая заменяет h264 или mpeg4-part10. Новая версия кодека сжатия обеспечивает удвоенную скорость сжатия предыдущего, сохраняя при этом тот же уровень качества видео. Он также может использоваться с более высоким разрешением видео до 8K UHD (7680 × 4320 пикселей).

HEVC выигрывает за счет использования больших размеров зон кодирования, используя большие области, где пиксели можно повторять в следующем кадре, позволяя другим более мелким зонам эффективно использовать шифрование, которое варьируется в следующих кадрах, таким образом сохраняя высокое качество с уменьшенным размером файла.

quarta-feira, 10 de janeiro de 2018

How to delete upgrades in Windows Server Update Services (WSUS)

Because parsing only happens once, and WSUS does not know what “Upgrades” are without having installed KB 3095113, it incorrectly identifies the upgrade as a regular update and saves it to the SUSDB as such.  In order to remedy this, you must perform the following sequence of steps on the WSUS servers as specified in the table below (where "USS" represents "upstream server"):


Action

Where to perform

1.       Disable the “Upgrades” classification

USS or Standalone WSUS

2.       Delete the previously synched upgrades

All WSUS (start with topmost server)

3.       Enable the “Upgrades” classification

USS or Standalone WSUS

4.       Perform full sync

USS or Standalone WSUS

Some workarounds propose that you delete these entries from the SUSDB via SQL queries, but we do not recommend directly modifying database content.  The supported way to remove update content is with PowerShell commands [from an elevated session] as described below.  Again, be sure that you perform the deletion step on the WSUS server that is highest in your hierarchy first, and then work your way down; otherwise, your deletions may be replaced by the USS on the next sync attempt.

// disable Upgrades classification on local WSUS server
Get-WsusClassification | Where-Object -FilterScript {$_.Classification.Title -Eq “Upgrades”} | Set-WsusClassification -Disable

// delete all update content on the current server belonging to the 1511 release
$s = Get-WsusServer

$s.SearchUpdates(“version 1511, 10586”) | foreach { $s.DeleteUpdate($_.Id.UpdateId) }

// enable Upgrades classification
Get-WsusClassification | Where-Object -FilterScript {$_.Classification.Title -Eq “Upgrades”} | Set-WsusClassification

// perform full sync
$sub = $s.GetSubscription()
$sub.StartSynchronization()


Source: https://blogs.technet.microsoft.com/

terça-feira, 9 de janeiro de 2018

About Microsoft Bot Framework

The Bot Framework is a platform for building, connecting, testing, and deploying powerful and intelligent bots. You can quickly start building bots with the Azure Bot Service. If you prefer building a bot from scratch, the Bot Framework provides the Bot Builder SDK for .NET and Node.js.


What is a bot?

Think of a bot as an app that users interact with in a conversational way. Bots can communicate conversationally with text, cards, or speech. A bot may be as simple as basic pattern matching with a response, or it may be a sophisticated weaving of artificial intelligence techniques with complex conversational state tracking and integration to existing business services.

The Bot Framework enables you to build bots that support different types of interactions with users. You can design conversations in your bot to be freeform. Your bot can also have more guided interactions where it provides the user choices or actions. The conversation can use simple text strings or more complex rich cards that contain text, images, and action buttons. And you can add natural language interactions, which let your users interact with your bots in a natural and expressive way.

Let's look at an example of a bot that schedules salon appointments. The bot understands the user's intent, presents appointment options using action buttons, displays the user's selection when they tap an appointment, and then sends a thumbnail card that contains the appointment's specifics.

Bots are rapidly becoming an integral part of digital experiences. They are becoming as essential as a website or a mobile experience for users to interact with a service or application.


Why use the Bot Framework?

Developers writing bots all face the same problems: bots require basic I/O, they must have language and dialog skills, and they must connect to users, preferably in any conversation experience and language the user chooses. The Bot Framework provides powerful tools and features to help solve these problems.

Azure Bot Service
The Azure Bot Service accelerates the process of developing a bot. It provisions a resource and Azure and gives you five bot templates you can choose from when you create a bot. You can further modify your bot directly in the browser using the Azure editor or in an Integrated Development Environment (IDE), such as Visual Studio and Visual Studio Code.

Bot Builder
The Bot Framework includes Bot Builder, which provides a rich and full-featured SDK for the .NET and Node.js platforms. The SDK provides features that make interactions between bots and users much simpler. Bot Builder also includes an emulator for debugging your bots, as well as a large set of sample bots you can use as building blocks.

Bot Framework portal
The Bot Framework portal gives you one convenient place to register, connect, and manage your bot. It also provides diagnostic tools and a web chat control you can use to embed your bot in a web page.

Channels
The Bot Framework supports several popular channels for connecting your bots and people. Users can start conversations with your bot on any channel that you've configured your bot to work with, including email, Facebook, Skype, Slack, and SMS. You can use the Channel Inspector to preview features you want to use on these targeted channels.

Source: https://docs.microsoft.com

segunda-feira, 8 de janeiro de 2018

Windows To Go feature

Windows Enterprise has a unique feature called Windows To Go, with which IT professionals can provide users with a fully working version of Windows running on a USB external device. Windows To Go drives can use the same image that enterprises use for their desktops and laptops, and they can be managed like any other normal PC.

Here are the minimum requirements for implementation:
  • One computer running Windows 10 Enterprise
  • The install.wim or a captured image from the Windows Enterprise media itself
  • A USB drive that is Windows To Go certified

For the manual installation, first insert your certified USB device. Next, right-click Start, select Control Panel, and then click Windows To Go (or simply run pwcreator.exe).

The setup will first ask for the location of the WIM file: if you’re unsure of this, simply use the install.wim from the Enterprise media. Then, you can optionally provide a BitLocker password. Continue by clicking Create, in a few more minutes, your USB drive should be ready to go.

Finally, click No when you see the question “Do you want to automatically boot your PC from a Windows To Go workspace?”

After you have a Windows To Go device with Windows 10, you can also use it to test hardware compatibility for any device that is a candidate to migrate to Windows 10. Although this is not the quickest method, it is definitively the cleanest and the most reliable. All you need to do is configure the computer to start from USB and check whether Windows To Go works correctly and what drivers are missing or require attention. Windows To Go will not touch your hard drive, because by default internal drives are offline; thus, you can enjoy the Windows 10 experience with a minimum of effort.

To learn more about how to implement Windows To Go with Configuration Manager, go to https://technet.microsoft.com/library/jj651035.aspx

If you are running Configuration Manager 2012 SP1, ensure that you have at least the Cumulative Update 2 installed (https://support.microsoft.com/sv-se/kb/3100144), because it fixes an issue by which Administrators cannot select a Windows 10–based image by using the Windows To Go Creator Wizard.


Source: Deploying Windows 10 Press Book

domingo, 7 de janeiro de 2018

5 Free Cloning Tools | Free clone software to backup your computer

Clonezilla
http://clonezilla.org/
This particular take on the cloning process is more like a bootable Linux distribution that can do bit-by-bit copying, and it supports a ton of file systems. There's an unattended mode and multicast support built in. Clonezilla SE can clone 40 machines at once. Clonezilla does use a curses-based interface, so some might find it a bit challenging at first.

Macrium Reflect Free Edition
http://www.macrium.com/reflectfree.aspx
Only for Windows file systems, but it does it quite well and has a fairly straightforward user interface. This software does disk imaging and disk cloning, allows you to access images from the file manager, creates a Linux rescue CD.

Runtime DriveImage XML
http://www.runtime.org/driveimage-xml.htm
DriveImage XML uses Microsoft VSS to create images and does so with reliability you might not expect in a free tool. With DriveImage XML you can create "hot" images from a disk already in use. Images are stored in XML files, so you can access them from any supporting third-party software. DriveImage XML can also restore an image to a machine without the need for a reboot.

Runtime Shadow Copy
http://www.runtime.org/shadow-copy.htm
With this tool there is little more to do than decide what you want to image and where you want to image it to. Shadow Copy makes use of VSS so you can even copy locked files on a running system. You can copy a single file or an entire system with the click of the mouse.

Paragon Backup & Recovery Free
http://www.paragon-software.com/home/br-free/
Is for stand-alone Windows machines, and it does a great job of handling scheduled imaging. The free version is based on the powerful pro version, but it's for personal use only. I highly recommend using the free version to try out the software.

Source: https://www.techrepublic.com/

sábado, 6 de janeiro de 2018

What is Microsoft NuGet

An essential tool for any modern development platform is a mechanism through which developers can create, share, and consume useful libraries of code. Such libraries are typically referred to as "packages" because they can contain compiled code (as DLLs) along with other content that might be needed in the projects that consume those libraries.

For .NET, the mechanism for sharing code is NuGet, which defines how packages for .NET are created, hosted, and consumed, and provides the tools for each of those roles.

NuGet package is a single ZIP file with the .nupkg extension that contains compiled code (DLLs), other files related to that code, and a descriptive manifest that includes information like the package's version number. Library developers create package files and publish them to a host. Package consumers receive those packages, add them to their projects, and then call that library's functionality in their project code. NuGet itself then handles all of the intermediate details.

sexta-feira, 5 de janeiro de 2018

Wireless Access Point vs Repeater/Extender explained

Wireless Access Point vs Repeater explained (ENGLISH)
Ponto de Acesso sem fios versus repetidor/extensor (PORTUGUESE | PORTUGUÊS)
Point d'accès sans fil vs répéteur (FRENCH | FRANÇAIS)
Punto de acceso inalámbrico vs repetidor (SPANISH | ESPAÑOL)
Wireless Access Point vs Repeater (GERMAN | DEUTSCHE)
Access point wireless vs ripetitore (ITALIAN | ITALIANO)
无线接入点与中继器 (CHINESE | 中文)
Беспроводная точка доступа против ретранслятора (RUSSIAN | РУССКИЙ)

Wireless Access Point vs Repeater/Extender explained

Network Access Point
Network Wireless device that is connected through a Ethernet cable (Cat5) connected to the router or switch that distributes the signal with the maximum speed of the specific port to which it is connected or the maximum speed of the Access Point device via Wi-Fi.
Advantages: Better signal quality; Advanced Settings; Access protected by password.
Disadvantages: More expensive; You need a network cable to connect; It needs energy.

Network Repeater / Extender
Device that repeats the wireless signal to extend the range without being connected with a cable to your router, allowing access to the wireless signal wherever you place the device. You can connect an Ethernet cable to the device, but it is not necessary to use a cable to connect to the Router because it uses the electrical wiring to do so, the further away from the router this device is placed, less will be the transmitted signal.
Advantages: Cheaper; No additional network cabling required; Longer distance from the router.
Disadvantages: Does not allow configuration; Lower signal quality the greater the distance to the router; Creates congestion by returning all traffic to the Router; Anyone in your electrical network can have access to your internet connection.


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PORTUGUESE | PORTUGUÊS
Ponto de Acesso sem fios versus repetidor/extensor explicado

Ponto de Acesso de Rede (Access Point)
Dispositivo de rede que é conectado através de um cabo de rede (Cat5) ligado ao router ou switch que distribui o sinal com a velocidade máxima da porta especifica à qual está ligado ou a velocidade máxima do Access Point usado.
Vantagens: Melhor qualidade de sinal; Configurações avançadas; Acesso protegido por password.
Desvantagens: Mais caro; Necessita de um cabo de rede para ligar; Necessita de energia.

Repetidor de Rede (Repeater/Extender)
Dispositivo que repete o sinal wireless para ampliar o alcance sem estar conectado com o cabo ao seu router, permitindo ter acesso ao sinal wireless onde quer que coloque o dispositivo. Pode ligar ao dispositivo um cabo Ethernet, mas não é necessário usar um cabo para ligar ao Router porque utiliza a instalação elétrica para o fazer, portanto quanto mais longe do router este dispositivo for colocado, menor vai ser o sinal wireless/ethernet transmitido.
Vantagens: Mais barato; Não necessita de instalação de cabos de rede; Maior distância do router.
Desvantagens: Não permite configurações; Menor qualidade de sinal quanto maior for a distância ao router; Cria congestionamento por devolver todo o trafego ao Router; Quem estiver na sua rede elétrica pode ter acesso à sua ligação de internet.


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FRENCH | FRANÇAIS
Point d'accès sans fil vs répéteur

Point d'accès au réseau
Réseau Périphérique sans fil qui est connecté via un câble Ethernet (Cat5) connecté au routeur ou au commutateur qui distribue le signal avec la vitesse maximale du port spécifique auquel il est connecté ou la vitesse maximale du périphérique Access Point via Wi-Fi.
Avantages: Meilleure qualité du signal; Réglages avancés; Accès protégé par mot de passe.
Inconvénients: Plus cher; Vous avez besoin d'un câble réseau pour vous connecter; Il a besoin d'énergie.

Répéteur de réseau / Extender
Dispositif qui répète le signal sans fil pour étendre la portée sans être connecté avec un câble à votre routeur, permettant l'accès au signal sans fil partout où vous placez l'appareil. Vous pouvez connecter un câble Ethernet à l'appareil, mais il n'est pas nécessaire d'utiliser un câble pour se connecter au routeur, car il utilise le câblage électrique pour le faire. Plus il est éloigné du routeur, moins il sera transmis. signal.
Avantages: Moins cher; Aucun câblage réseau supplémentaire requis; Plus longue distance du routeur.
Inconvénients: Ne permet pas la configuration; Plus la qualité du signal est faible, plus la distance au routeur est grande; Crée une congestion en renvoyant tout le trafic au routeur; Toute personne de votre réseau électrique peut avoir accès à votre connexion Internet.


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SPANISH | ESPAÑOL
Punto de acceso inalámbrico vs repetidor

Punto de acceso a la red
Red Dispositivo inalámbrico que está conectado a través de un cable Ethernet (Cat5) conectado al enrutador o conmutador que distribuye la señal con la velocidad máxima del puerto específico al que está conectado o la velocidad máxima del dispositivo de punto de acceso a través de Wi-Fi.
Ventajas: Mejor calidad de señal; Ajustes avanzados; Acceso protegido por contraseña
Desventajas: Más costoso; Necesita un cable de red para conectarse; Necesita energía

Repetidor de red / Extensor
Dispositivo que repite la señal inalámbrica para ampliar el alcance sin estar conectado con un cable a su enrutador, lo que permite el acceso a la señal inalámbrica donde sea que coloque el dispositivo. Puede conectar un cable Ethernet al dispositivo, pero no es necesario usar un cable para conectarlo al enrutador porque usa el cableado eléctrico para hacerlo, mientras más alejado esté del enrutador este dispositivo, menos será la transmisión señal.
Ventajas: Más barato; No se requiere cableado de red adicional; Mayor distancia del enrutador.
Desventajas: no permite la configuración; Menor calidad de señal cuanto mayor sea la distancia al enrutador; Crea congestión al devolver todo el tráfico al enrutador; Cualquier persona en su red eléctrica puede tener acceso a su conexión a Internet.


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GERMAN | DEUTSCHE
Wireless Access Point vs Repeater

Netzwerkzugriffspunkt
Netzwerk Wireless-Gerät, das über ein mit dem Router oder Switch verbundenes Ethernet-Kabel (Cat5) verbunden ist und das Signal mit der maximalen Geschwindigkeit des spezifischen Anschlusses, an den es angeschlossen ist, oder der maximalen Geschwindigkeit des Access Point-Geräts über Wi-Fi verteilt.
Vorteile: Bessere Signalqualität; Erweiterte Einstellungen; Zugriff geschützt durch Passwort.
Nachteile: teurer; Sie benötigen ein Netzwerkkabel, um eine Verbindung herzustellen. Es braucht Energie.

Netzwerk-Repeater / Extender
Gerät, das das Funksignal wiederholt, um die Reichweite zu verlängern, ohne mit einem Kabel an den Router angeschlossen zu sein, sodass überall, wo Sie das Gerät platzieren, auf das Funksignal zugegriffen werden kann. Sie können ein Ethernet-Kabel an das Gerät anschließen, aber es ist nicht notwendig, ein Kabel für die Verbindung mit dem Router zu verwenden, da es die elektrische Verkabelung verwendet. Je weiter entfernt vom Router dieses Gerät platziert ist, desto weniger wird übertragen. Signal.
Vorteile: Billiger; Keine zusätzliche Netzwerkverkabelung erforderlich; Längere Entfernung vom Router.
Nachteile: Ermöglicht keine Konfiguration; Je geringer die Signalqualität, desto größer die Entfernung zum Router. Stau erzeugt, indem der gesamte Datenverkehr an den Router zurückgegeben wird. Jeder in Ihrem Stromnetz kann auf Ihre Internetverbindung zugreifen.


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ITALIAN | ITALIANO
Access point wireless vs ripetitore

Punto di accesso alla rete
Dispositivo di rete wireless connesso tramite un cavo Ethernet (Cat5) collegato al router o allo switch che distribuisce il segnale alla velocità massima della porta specifica a cui è collegato o alla velocità massima del dispositivo Access Point tramite Wi-Fi.
Vantaggi: migliore qualità del segnale; Impostazioni avanzate; Accesso protetto da password.
Svantaggi: più costoso; È necessario un cavo di rete per connettersi; Ha bisogno di energia.

Network Repeater / Extender
Dispositivo che ripete il segnale wireless per estendere la portata senza essere collegato con un cavo al router, consentendo l'accesso al segnale wireless ovunque sia posizionato il dispositivo. È possibile collegare un cavo Ethernet al dispositivo, ma non è necessario utilizzare un cavo per collegarsi al router perché utilizza il cablaggio elettrico per farlo, più lontano dal router viene posizionato questo dispositivo, meno sarà trasmesso segnale.
Vantaggi: più economico; Nessun cablaggio di rete aggiuntivo richiesto; Più lunga distanza dal router.
Svantaggi: non consente la configurazione; Bassa qualità del segnale maggiore è la distanza dal router; Crea congestione restituendo tutto il traffico al router; Chiunque nella tua rete elettrica può avere accesso alla tua connessione internet.


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CHINESE | 中文
无线接入点与中继器

网络接入点
网络通过连接到路由器或交换机的以太网电缆(Cat5)连接的无线设备,该设备通过Wi-Fi以其所连接的特定端口的最大速度或接入点设备的最大速度分配信号。
优点:更好的信号质量;高级设置;访问受密码保护。
缺点:更贵;你需要一根网线来连接;它需要能量。

网络中继器/扩展器
重复无线信号的设备可以扩展范围,而无需使用电缆连接到路由器,无论您在何处放置设备,都可以访问无线信号。您可以将以太网电缆连接到设备,但不需要使用电缆连接到路由器,因为它使用电气配线,因此离设备放置的路由器越远,传输的路由器就越少信号。
优点:便宜;不需要额外的网络布线;距离路由器较远。
缺点:不允许配置;信号质量越低,到路由器的距离就越大;通过将所有流量返回给路由器来产生拥塞;您电气网络中的任何人都可以访问您的互联网连接。


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RUSSIAN | РУССКИЙ
Беспроводная точка доступа против ретранслятора

Точка доступа к сети
Сетевое беспроводное устройство, подключенное через кабель Ethernet (Cat5), подключенный к маршрутизатору или коммутатору, который распределяет сигнал с максимальной скоростью конкретного порта, к которому он подключен, или максимальной скоростью устройства точки доступа через Wi-Fi.
Преимущества: лучшее качество сигнала; Расширенные настройки; Доступ защищен паролем.
Недостатки: дороже; Для подключения требуется сетевой кабель; Ему нужна энергия.

Сетевой репитер / удлинитель
Устройство, которое повторяет беспроводной сигнал, чтобы расширить диапазон, не подключаясь к кабелю к вашему маршрутизатору, обеспечивая доступ к беспроводному сигналу везде, где вы размещаете устройство. Вы можете подключить кабель Ethernet к устройству, но нет необходимости использовать кабель для подключения к маршрутизатору, поскольку он использует электрическую проводку для этого, чем дальше от маршрутизатора это устройство помещается, тем меньше будет передано сигнал.
Преимущества: Дешевле; Никаких дополнительных сетевых кабелей не требуется; На большее расстояние от маршрутизатора.
Недостатки: не позволяет конфигурировать; Чем ниже качество сигнала, тем больше расстояние до маршрутизатора; Создает скопление, возвращая весь трафик на маршрутизатор; Любой в вашей электрической сети может иметь доступ к вашему интернет-соединению.