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1. The internal mechanism by which Linux performs write on the socket. It may involve some basic I/O mechanisms, and I can't figure out what's going on, running server and client separately, and then terminating the server so that client continues to write to the already established socket connection, and the first write successfully returns , the second execution process exits without any hint, and there's no return. Answer: After the server process is aborted, the socket is closed and fin is s
To build a new broadband community, we have many options, including the Ethernet access scheme, ADSL access scheme, Cable Modem and hfc-network scheme, and optical fiber access scheme. How should we choose these access solutions? Different solutions vary in application scenarios. Let's take a look at the features of several access solutions. High-speed Ethernet solution In the broadband access technology, Ethernet has become the most widely used loca
This article introduces the optical fiber cabling system. Many people may not know about the optical fiber cabling system yet. I believe you will have a rough understanding of the optical fiber cabling system after reading this article, I hope this article will teach you more things. After the optical cable cabling system is installed, You need to test the link transmission characteristics. The main test items are the attenuation characteristics of th
Data center energy saving does not affect network cable cooling At present, the data center's heat dissipation is generally designed to separate hot and cold channels, that is, the cold and hot channel control technology, to isolate the cold and hot channels, to prevent mixed cold and hot air, the cold channel helps the device get the air-conditioning flow, and then the hot air flow is discharged through the hot channel. In this mode, the data center
A lan is to connect individual computers or terminals using networks to exchange information and share resources according to certain protocols. Commonly used network cables include twisted pair wires, coaxial cables, and optical fiber cables. Twisted Pair wires can be divided into shielded twisted pair wires (STP) and unshielded twisted pair wires (UTP) based on whether they are added with the screen layer of a wire mesh ). Most local networks use unshielded twisted pair wires (UTP-unshielded t
The world's fire standards vary, North American UL standards from high to low flame retardant, respectively: Flame Retardant CMP (suitable for ventilation ducts or air-pressurized areas) Non-combustion trunk-level CMR (for vertical trunk and horizontal area) Non-combustion commercial grade cm (suitable for horizontal area) Non-combustion general grade CMG (suitable for horizontal area) General household grade CMX (must be laid at one root level) The 20XX series cables of the United States
POJ 1966 Cable TV Network graph connectivity, net flow minimum cutCable TV Network Cable TV networktime limit:1000ms Memory limit:30000ktotal submissions:5047 accepted:2347descriptionthe Inter Connection of the relays in a cable TV network is bi-directional. The network is connected if there are at least one interconnection path between each pair of relays
systems. Screen. width-333) this. width = screen. width-333 "border = 0> Factors Affecting bandwidthA Class 6 standard channel should be designed to have lower signal attenuation and better near-end crosstalk characteristics than Class 5 standard channels. Lower signal attenuation can be achieved through the use of copper media cables of a slightly heavier specification, with a diameter between 0.5mm (24AWG) and 0.6mm (23AWG. Two available cables are included in the scope of TIA's 6 standard sp
On my first day, I took my laptop and my CB back to my hometown. I encountered the following scenario, so I wrote this tutorial.My sister-in-law's house is downstairs. I live on the 5th floor, while my sister-in-law lives on the 4th floor. Her house has network and wireless routes. I use my own book to access the Internet in my house on the 5th floor at night, I was connected to the Internet, but my CB didn't have a wireless network card and a network cable
Direct Cable Connection is one of the most common LAN solutions for only two computers. Direct Cable Connection This method has a small investment, simple and practical features, it only needs a connecting line can be used on the computer and the mouth or serial port two computers connected to achieve resource sharing. So it is more suitable for the family to have two computers, especially the new one old t
A cable with a jack is found in the chassis, and the surface of the slot is marked with some English letters. This is the motherboard control line. In the lower right corner of the motherboard can be found in a row of pins, the needle is also printed next to some English instructions, this is the place to plug the control line. First step: Connect the Power switch control line. The power switch control line is indicated in English as either "powered
Printers are an indispensable office equipment for every company, and some families also buy printers, but how do they connect when they buy a printer? The printer interface also refers to the type of interface that is used between the printer and the computer, and the main interface types of the printer products currently on the market include common parallel interfaces, Professional serial port as well as the mainstream USB interface and is not a very common network port. Win7 flagship system
The answer is yes, through the USB data cable to achieve! Below we introduce the computer through the USB Data Cable Connection tl-tr761 series sharing Internet usage method. When a computer is connected to a device through a USB cable, if the computer is a windows 7 and Windows 8 operating system, You do not need to manually install the driver, the system c
Fluke Networks (Fluke Network) has launched an ethernet cable tester "DTX-1800", in addition to the widely used "5e" line, it can also be used to detect "6" and "7" lines with better transmission characteristics. You can check whether the cables used as the measurement object meet the corresponding specifications. The testing frequency is up to 900 MHz. Reduce the testing time of the "6" line to 12 seconds, less than 4300 of the latter, compared to ab
Currently, manufacturers of Structured Cabling solutions have released Cat5E and Cat5E solutions. Although the six types of cable standards have not yet been promulgated, many customers have chosen to implement this solution in view of its superior performance. What prompted them to install these systems even if the six standards are not finalized and there is no hope of release of the standards? Obviously, such systems are indeed better than existing
How to use a network cable to achieve the two computer file sharing One, in the local area network, if two computers are plugged in a network cable, you can realize the sharing of files under the LAN, the specific method is as follows:1, use the computer to share files to open cmd, enter Ipcofig to view the other computer's IP address, I have another computer IP for 192.168.1.1022, find the folder to be sha
I ' ve got the Mini VCI cable for TOYOTA TIS Techstream V10.10.018 for half a month, and now, I would like to do a Quick review for Wobd2.Here, first of All,i has to mention that I has no affiliation with the supplier of this product, and I would not benefit From this review also. It is just my personal experience.Ordering:I ordered from wobd2.com, payment made thru PayPal, for $26.99 USD the order included 1x 6ft Mini VCI
Topic descriptionA pay cable TV network plans to relay an important football match. Their broadcast network and user terminal constitute a tree structure, the root node of the tree is located at the scene of the football match, the leaves for each user terminal, and other transit points for the tree's internal nodes.Signal transmission costs from the retransmission station to the retransmission station and from the retransmission station to all user t
Download the following four software. For installation instructions, refer to the following tutorial. (1)D908 driver Samsung PC Studio 3(61.0 MB). The link is invalid. Find it online!(2) softtick PPP (3) Samsung XXXX Java Uploader Chinese edition (4) jadwizard 1.0 (drag the jar to it without a JAD file) If the downloaded Java game only contains a single. jar file, download the Jad generator and drag the. jar file directly into the Jad wizard.In the 1.0 window, the. JAD file is generated, and th
using the API functions provided by the Windows SDK GetAdaptersInfo () can obtain the network card name of all network cards, network card description, network card MAC address, network card IP, network card type and other information, and ip_adapter_info structure storage, Use Getifentry () to obtain the state of the network card, can effectively determine whether the network card communication is normal, whether to insert network cable and other sta
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