Hardware of LAN
Server
Network Workstation
Network Adapter)
Hub
Vswitch
LAN components
Mainstream network model: Ethernet
Main Building Network Topology: Star-shaped Topology
Lan transmission medium
Twisted Pair wires
Coaxial Cable
Optical Fiber
Wireless
Ethernet Transmission Mechanism
The IEEE 802.3 protocol planned by the LAN Organizing Committee uses the "CSMA/CD" Transmissio
The 1,ipsec VPN application is more and more extensive, the following configuration instance is to the single headquarters multiple branch organization actual application
According to the configuration of this article, we can achieve the maximum VPN connectivity through the minimum number of VPN tunnels, the network topology is as follows:
As shown above, the Headquarters firewall machine hub firewall name is fortigate_1, its external network port
Yes. For Windows Phone 7 apps to be released to users, Microsoft uses the Zune Marketplace, Windows phone Marketplace publishing requires manual review, and the time to go online relative to Android apps can be very long, typically through the following stages: 1. In the submission in Progress submission queue, the current dwell time in this state is usually about 4 days. 2. Ready for testing prepares the test, which generally has a status of about 1 days. 3. Testing in progress t
How to Use the git hub function of Android Studio, androidgit
This article will explain how to use GitHub with Android Studio.
Firstly, let's login to github.com and create a new repository. From the top right corner of the screen, click the + sign and select New repository.
Now complete the form to create a new repository called testproject. Leave the Initialize this repository with a README unticked.
Next, open Android Studio and create a new proj
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Recently, I used the hub to share two computers in my home to access the Internet. I have successfully achieved any dialing ADSL on one computer, and both computers can access the Internet.
However, a strange problem suddenly occurred today, that is, when I dial ADSL on my desktop computer, I can access the Internet normally, and the co
This post will be updated--------a fresh discovery----------- Objective This article is not technically original. But aspire to be the front-end of a variety of fresh, hack technology link broker O (∩_∩) O. If the article has insufficient or outdated technology, I implore you to point out. The author's ability is limited, but as far as possible every contact with a fresh and fun effective technology will be updated to this post. Warmly welcome you greatly in the comment area left everyone's f
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git remote add originhttps://github.com/[username]/[project_name].git
An example of a Git repository URL is:https://github.com/markwint/testproject.gitThen press ENTER. The GitHub remote is added to your Git repository.Next, jump to Android Studio, right click your projects root directory and select Git > Add. This would add all your project files to your Git repository.It would seem like nothing had happened, but trust me, the project files is added.Now
setBackgroundColor:notification.object];}(4) In the interface three removal notice. Removing a notification generally overrides the Dealloc method of the parent class. But under the ARC mode. The Dealloc method of the parent class cannot be called in the Dealloc method Interface three of the code:-(void) dealloc{ [[Nsnotificationcenter Defaultcenter] removeobserver:knotificationname];}A small partner who wants to learn a lot about other content. You can click to view the source code and pe
": [Ten { One "name":"https://github.com/ityouknow/spring-cloud-starter/config-repo/neo-config-dev.properties", A "Source": { - "Neo.hello":"Hello im dev" - } the } - ] -}Note The configuration information is read correctly on both server sides.Visit again: http://localhost:8002/hello , return: hello im dev update . Stating that the client has read the contents of the server side, we randomly stop a server-side service, rev
functionIn the power-down mode of the XBMC system setup, the option in the Auto shutdown function is set to OFF, which can be turned off by pressing the off key on the remote control.
After the entire system is optimized, you can choose the default login Xbmc-standalone environment in GDM without entering the GNOME desktop environment to save unnecessary system resource usage.AppreciateReference:
How-to perform a miminal Ubuntu and XBMC Install on a Asus EeeBox PC EB1501
How-t
In the Eclipse menu bar, select Window--preference, and then locate Team--git--configuration. Since I had already installed git on my computer, eclipse found the git configuration file and read my configuration information. Finally click OKAssociate GitHubStart by creating a repository on GitHub, which is where the code behind our eclipse will be placed.Once the warehouse has been created, go to Eclipse's project and Mail project name--team--shareproject. If this is the first time, follow the wi
Do countless years of computer engineers, incredibly today USB problems, it took me one hours to solve.
The problem is that the system is used, the USB mouse is gone, then the system blue screen, see is dump RAM. I was too lazy to wait and restarted the system.
Then, after the system restarts, the mouse is lost. I can't find it anymore.
Helpless, find PS2 mouse, point to open Device Manager, incredibly USB Root hub has yellow exclamation mark, the
The hub works on the first layer of the OSI model, the "physical layer". A hub is a hardware-only network underlying device that itself does not recognize the destination address, so it does not target the data when it sends it, but sends it by means of a broadcast. This means that when it sends data to a node in the network, it sends the data to all nodes connected to the
In the process of learning Docker, the download image speed is particularly slow, because the Docker hub does not deploy a server or CDN in the country, coupled with the speed of the domestic network and other reasons, the image download is very time-consuming. To overcome the cross-ocean network latency, one of the most effective ways to quickly and efficiently download Docker images is to use a domestic Docker image source. Here's how to use the 163
The Docker hub works with Docker and its components. The Docker hub will help you collaborate with your colleagues and get the most functional docker. To do this, the services it provides are:
Docker Mirror Host
User authentication
Automatic mirroring of Build and workflow tools, such as build triggers and web hooks
Integration of GitHub and BitBucket
In order to use the Docker
found that folder on my butt, right-click and waited for it to be thrown into the dumpster, but! The system also told me that there is no administrator rights, oh My computer I do not have administrative rights ... I am also drunk, and then I Baidu has an administrator authorized registry, finally have permission, so I decisively kicked it to the garbage box. As for the blue screen, OK, blue screens and that folder is not closed, because the cause of the blue screen I do not know why, so just s
Repeater, Hub, switch, and router are all devices generated for different layers of the OSI Layer-7 network model. One by one, they are summarized as follows:
Repeater: Repeater
Is a connection device of the network physical layer, which works on the OSI physical layer. In fact, it is a signal amplifier. It is only responsible for transmitting signals from one cable to another. It can only be connected to the same type of CIDR Block and cannot be co
The company's more and more computers, cable connection is not enough to change the wireless router, the old router idle. But in the wireless router can not cover the place or to use network cable, so think of using a hub (hub), with an old router, can not use it? Do it, really changed, an old router with a network cable from the company to increase the use of several computers, very cost-effective, especia
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