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Network faults are inevitable. It is important to quickly isolate and eliminate faults. Network Maintenance personnel should be equipped with appropriate tools and knowledge to locate and solve problems in a timely and effective manner. This article

Now the family or organization has gradually begun to use wireless networks, especially the recent popularity of cheap Wireless LAN packages, wireless LAN is no longer "High and Low ". The problems and faults that follow have also begun to upset

1. Four machines are connected to the CISCO1900 switch through an eight-port HUB. The connection speed is severely slowed down. Check whether the network cable is normal and the possibility of failure of the four NICs does not exist at the same time.

Network failures often occur, just as people often get sick. After a network problem occurs, Do not worry and stay awake. Find out where the problem is, generally in the following situations: 1. When the entire network is disconnected, it may be a

With the rapid development of IT and network technologies and the continuous improvement of Enterprise Informatization, various network applications are becoming richer and richer, and various applications are constantly competing for limited

IPv4 defects and the rapid development of the Internet have led to the emergence and development of IPv6. At present, IPv6 networks are gradually moving from experimental networks to practical applications. However, in the future, IPv4 networks are

Mobile Data business revenue in many regions around the world accounts for more than 30% of total mobile business revenue. The deep integration of mobile networks and the Internet is a very prominent feature of 3G business development. Mobile

With the depletion of IPv4 addresses, IPv6 technology is getting closer to us. Various media have also extensively introduced and reported IPv6 technology. mainstream network equipment vendors have released their own IPv6 support products, at the

Nine villages and towns in Daxing District, Beijing, including North puzhouying village and Liming village, are connected through wireless networks, at the same time, nine new rural information offices were awarded the title of "Digital Home" and

Sometimes, to work, we often need to deploy a wireless LAN outdoors. So how should we deploy a wireless LAN so that it can run efficiently to improve work efficiency? In fact, the wireless LAN construction structure is different for different work

With the acceleration of modern technology, each department of some large and medium-sized enterprises is equipped with computers, and some are even more than one. To facilitate data transmission and speed up work efficiency, enterprises have set up

When talking about the features of a wireless router, many users say "wireless Internet access" in the same way ". From the original perspective, wireless routers not only have all the functions of Wireless AP, but also some functions of routers.

Security is a prominent problem in the company's wireless network. As more and more enterprises deploy wireless networks, they connect employees, professional partners, and the general public to their systems and the Internet. The need to enhance

Correct Connection to communication media and sound transmission performance are the basis for normal system operation. After the system is installed, necessary tests must be performed on the system, to confirm that the performance indicators of the

This article systematically describes the basic concepts and development history of structured cabling systems, and also briefly introduces the testing of structured cabling systems.1. Introduction to structured cabling systemsWith the rapid

The quality of the cabling construction process cannot completely determine the quality of the entire network cabling. Therefore, the cabling must be verified to determine whether the link can meet the design requirements. Wiring certification is

1. Wiring management scope Wiring management is used to identify and record the wiring equipment, cables, information sockets, and other facilities in the work areas of equipment rooms and exchange rooms in a certain mode. The content includes: the

1. Overview With the development of the information society, network technology becomes more and more complex. As the cornerstone of the network, keel-network cable is more important. Currently, three types of cables are used in the Network:

The Integrated Wiring System is not traceable so far. ISO/IEC11801 is available internationally; ANSI/EIA/TIA568A is available in North America; EN50173 is available in Europe; EIA/TIA 569 is available for construction and installation; the test has

What kinds of communication lines should the 1.485 bus adopt? The internationally accepted shielded twisted pair wires must be used. The recommended shielded twisted pair model is RVSP2 * 0.5 dual-core shielded twisted pair wires, each of which