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Use both Macbook and external displayEffect: the screen of the Macbook is the same as that of the original one. The external large display is the main screen. The macbook is a secondary screen that only displays desktop images, without the Dock and

What should I do if the page cannot be rolled when Thinkpad uses the proud browser? The red joystick driver of Thinkpad configures common software so that it can use the red joystick to scroll the page;Maxthon3 is a new product, so it is not

I have just been familiar with the basic configurations of the VLAN division experiment of the switch VLAN division configuration (PT simulator). I am not familiar with this knowledge for too long. Please forgive me for any errors, this

Cisco switch Product Name Description Catalyst nn xx [-C] [-M] [-A/-EN] NN is the serial number of the switch XX for A fixed configuration switch is the number of ports, for A modular switch, the number of slots C indicates that the fiber-optic

When a vro or vswitch is added to the network, how does the existing network device automatically discover this "new neighbor? For Cisco, the CDP Discovery protocol works. In short, CDP discovery protocols are used to obtain information about

This article mainly discusses the functions, testing methods, construction scheme, and relationship with other systems of softswitch network user fault centralized testing system. 1. Preface The centralized user Fault test system is a service

I believe that you have mastered the basics of IMS and SIP protocols and some precautions. These contents are also described in two articles, "briefly describing the SIP protocol in IMS" and "Problems Existing in IMS and SIP. Next we will explain

BGPIs the routing protocol used to connect to an independent system on the Internet. It is an enhanced, comprehensive, and scalable protocol developed by the Internet Engineering Task Group. BGP4 supports the CIDR addressing scheme, which increases

Routing ProtocolThere are two parts: staticRoutingAnd dynamic routing. Use Dynamic Routing ProtocolVroYou can automatically learn the path information to the remote network. Static Routing does not require the network manager to manually add the

A friend of mine recently installed a wireless router at home. After buying this router, he has been asking me at least what he should do about Router Security. He puts forward the following basic requirements: first, to protect the configuration

IPTV is a display terminal that uses a home TV or PC to provide rich multimedia services including TV programs over the Internet. IPTV has a distinctive feature that enables interaction between media service providers and consumers. It can provide a

The increasing requirements on network transmission capacity have promoted the further development of the 10 Gbit/s system. The IEEE Institute of Electrical and Electronics Engineers (IEEE) provides a description of the system configurations in LAN)

The Integrated Wiring technology has developed over the years. To meet the requirements of devices for higher transmission media performance, the Integrated Wiring standards have been gradually upgraded, the performance of cabling system components

The on-site test of optical cable construction is very important. It is used to prepare for the overall commissioning of the optical terminal. The optical fiber test items in the optical fiber have the measurement of transmission attenuation. for

One end of the optical transceiver is connected to the optical transmission system, and the other end is the 10/100 M Ethernet interface. Optical fiber transceiver achieves photoelectric signal conversion. The main principle of the optical

Using China Merchants Bank online banking Professional Edition in VirtualBox this article describes how to use China Merchants Bank online banking Professional Edition in Ubuntu and VirtualBox environments. Environment: 1. Ubuntu 12.04 64-bit

Before introducing enterprise servers, let's take a look at the Integrated Network Cabling Technology of enterprises. Then we fully introduced the production of Network cables and integrated enterprise network cabling. For servers, more reasonable

Before giving you a detailed introduction to the test of the Integrated Wiring System, let us first understand the entrance test of the Integrated Wiring System test. This is a very important preparation in the test, this article will focus on this

Virtual Machine chroot environment build + openssh LoginRecently, the project needs to use the chroot environment. If you do not know about chroot, You can google your brain. After learning about it, google found that there are generally three

Cable selection in cabling systems 1. cable selection should be considered based on comprehensive requirements of the system, technical performance, investment estimates, etc. In the cabling system, you should first determine the cable category and