oob network

1. Terminology of network communication1.1. Three modes of communicationUnicast, multicast, broadcast;1.2. LAN compositionComputers PCs Servers interconnections NICs Media Network devices Hubs Switches routers Protocols Ethernet IP ARP DHCP(1) Hub hubHub: Multiport repeater; hub does not remember which MAC address the packet was issued from, which MAC address is on which port of the hub; Hub features: Share

Differences between indoor and outdoor Network cables and Network Cabling Process Differences between indoor and outdoor Network cables As the name suggests, an outdoor network cable is a cable used outdoors. An indoor network cable is mainly used in an indoor

In small and medium enterprise network interconnection, there are many connections using Frame Relay networks because the transmission mode is similar to a leased line and supports Traffic Transmission. If it is a frame relay network, then, the interfaces connecting the vswitch are all various frame relay nodes. In this way, multiple virtual connection channels are formed and attached to a

Normally, when 3G and WiFi are on, Android uses Wi-Fi by default, but it is not possible to have WiFi everywhere in the real world, so the phone will often automatically switch networks.Sometimes, when the phone starts using WiFi, it will automatically switch from WiFi to 3G network 10-30 minutes after it enters standby.If you write a network program, the effect of automatic

-cognitive machine (Neocognitron) proposed by Japanese scholar Kunihiko Fukushima has enlightening significance. Although the early forms of convolutional networks (Convnets) did not contain too many Neocognitron, the versions we used (with pooling layers) were affected.This is a demonstration of the mutual connection between the middle layer and the layers of the neuro-cognitive machine. Fukushima K. (1980) in the neuro-cognitive machine article, the self-organizing neural

Note: 1. This document describes how to set up the Network Analysis Service. Therefore, I will not discuss in depth every detail of the Network Analysis Service. The purpose of this article is to let beginners learn how to use the network analysis service for Basic Analysis (mainly for subsequent web development): path analysis, recent facility analysis and servi

I. Concept of Computer Network What is computer network? A computer network connects multiple computers distributed in different geographical locations and operated independently using communication devices or lines, A fully functional network software (such as network proto

I. Concept of Computer Network What is computer network? A computer network connects multiple computers distributed in different geographical locations and operated independently using communication devices or lines, A fully functional network software (such as network proto

Refer to the Internet frequent drop line, I believe that many people will subconsciously think that the fault is due to poor line contact, but in the elimination of line factors, the network frequently dropped the phenomenon will sometimes still appear, when we encounter this phenomenon, in addition to observing the stability of the network equipment itself, Also need to pay attention to whether there are p

Everyone knows the compiling steps of various network server programs and knows that there are two types of network servers: cyclic services and concurrent services. Here is a summary of the source code.First of all, the process of Loop Network Server programming is as follows: This type of server model is a typical Loop Service. Without the multi-process/thread

First, determine whether the network type is WiFi, or 3G, or 2G networkConnectivitymanager connectmgr = (connectivitymanager) this.getsystemservice (Context.connectivity_service);networkinfoinfo=connectmgr.getactivenetworkinfo (); First, determine whether the network is WiFi, Be sure to make a non-null judgment before judging if there is no network connection Inf

Windows command line programThis part includes:Use ipconfig/all to view configurationsUse ipconfig/renew to refresh the configurationUse ipconfig to manage DNS and DHCP category IDSUse ping to test the connectionUse ARP to solve hardware address problemsUse NBTSTAT to solve NetBIOS name problemsUse netstat to display connection statisticsUse tracert to track Network ConnectionsUse pathping to test the vroUse ipconfig/all to view configurationsWhen det

Most enterprises pay attention to improve the security of the border of enterprise network, but do not mention how much they invest in this aspect, but the core intranet of most enterprise network is still very fragile. The following is a few strategies to address the security challenges of the enterprise intranet. These strategies are the defense strategy of the Intranet, and also a strategy to improve the

Differences between three network connections in VMware and three network connections in vmware 1. Overview After the virtual machine is installed, two virtual NICs, VMnet1 and VMnet8, are installed by default. VMnet1 is the host Nic and is used to connect to the network using the host method. VMnet8 is the NAT Nic, they are used to connect networks in NAT mode a

1. Overview TD-SCDMA Network Construction in the initial stage of optimization, its main purpose is to achieve network planning goals, find network coverage, service quality and other problems, and summarize the experience of network optimization, ensure the continuous development of

Network War law: You must know this. Network War law: Recently, the New York Times reported that the United States may use nuclear weapons to counter the destructive cyber attacks of hostile countries. In November 2017, a video entitled "Slaughterbots" was widely spread on social media and alleged that "artificial intelligence (AI) the controlled drone fleet can launch precise attacks against thousands of u

Java basics-network programming, java basics Network Programming I. IP and InetAddress Java supports the development of network communication programs. It mainly provides two communication protocols: TCP and UDP. Reliable connection and transmission, and third-party handshake Unreliable connection transmission, which is not necessarily acceptable to the receiv