what is lora gateway

1. What is a VLAN?VLAN is a virtual local area network, which means that the sites in the networks do not rigidly adhere to the physical location, but can flexibly add a network technology in different logical subnets as needed.Virtual local area network based on switched Ethernet in switched Ethernet, the VLAN technology can be used to divide the physical networ

Tags: blog HTTP Io color OS ar use SP strong Bytes. What is ARP?ARP (Address Resolution Protocol) is a low-level protocol located in the TCP/IP protocol stack. It is responsible for resolving an IP address into a corresponding MAC address.What is ARP spoofing?From the

of the NAT gateway can only receive external connection requests. That is to say, 61.144.1.2: 12806 can only receive connection requests from other public IP addresses. connection requests initiated from within NAT (10.10.0.1: 20) cannot be established. Why? The reason is very simple, because Intranet IP addresses need to establish a NAT ing through NAT to acces

After the website on the VM host is set up, what is wrong if the host cannot be accessed? Urgent !! -- Linux Enterprise Application-Linux server application information. For details, refer to the following section. On the XP Server, I used VM6 to build the CentOS5.1 and APACHE2 MYSQL5 PHP5 environments. Run http: // 127.0.0.1/on the VM to open the webpage.

What about the family app? 1. Special selling time: Every day 10 o'clock to open the platform to grab a hot commodity, 3 consecutive days good goods arbitrary election, each commodity at least let 10 yuan, the Platform to supplement postage, the National package mail (excluding Hong Kong, Macao), so that buyers enjoy. 2. Special Sale: Hui Gujiaping from all over the country selection of specialty sourcing, to remove the interests of middlemen,

（转自http://www.linux178.com/web/httprequest.html）写的太好了，转一个。For the HTTP protocol, refer to the following:HTTP协议漫谈 http://kb.cnblogs.com/page/140611/HTTP协议概览 http://www.cnblogs.com/vamei/archive/2013/05/11/3069788.html了解HTTP Headers的方方面面 http://kb.cnblogs.com/page/55442/When we enter www.linux178.com in the address bar of the browser, and then go to enter, enter this moment to see what happened to the page?Domain name resolution--Initiates a TCP 3 hand

network at this time, only need to equip VoIP terminals, that is, VoIP can be achieved across the region 0 call calls. Detailed terminology 1. What is VoIP? VoIP (Voice over Internet Protocol) is a kind of IP telephony, and the introduction of the corresponding value-added services technology. The biggest advantage

What is alg file? The Alg.exe process file is a program from Microsoft's Windows operating system that handles Microsoft Windows network Connection Sharing and network connection firewalls. Application Gateway Service, which provides support for Third-party protocol plug-ins for Internet Connection Sharing and Windows

What is WSGI in python, WSGI in Python, and pythonwsgi To give you a better understanding of WSGI in python, let's start with the simplest understanding of WSGI, and then introduce several frequently used WSGI interfaces, understand the basic usage and functions. Finally, let's take a look at how WSGI is used in actual projects through examples.

the sender Code does not know anything about the receiver code.(Programmer :) you cheated. You put the receiver's interface into the sender's class.(Senior Architect: You get started.(Programmer :) What do you understand?(Senior Architect: Of course, it is the architecture principle. The sender holds the interface that the receiver must implement.(Programmer :) if this means that I want to use an internal

Original address: http://www.cnblogs.com/engeng/articles/5959335.htmlRecently, the interview is often asked this question, want to interview the interviewer wants to examine the network knowledge, see whether this knowledge has formed the architecture.When we enter www.linux178.com in the address bar of the browser, and then go to enter, enter this moment to see what happened to the page?The following proce

When we enter www.linux178.com in the address bar of the browser, and then go to enter, enter this moment to see what happened to the page?The following procedure is for personal understanding only:Domain name resolution--Initiates a TCP 3 handshake--initiates an HTTP request after the TCP connection is established--the server responds to the HTTP request, the br

What is the process of a complete HTTP transaction? statement: The statement in this article is only a summary of personal understanding, not necessarily completely correct, but can help to understand. For the HTTP protocol, refer to the following: HTTP protocol ramble on Http://kb.cnblogs.com/page/140611/HTTP Protocol Overview http://www.cnb

What is Softswitch?The difference between Softswitch technology and other technologies is also the three basic elements of its core idea:1) Open service generation interface.The main way that Softswitch provides services is to cooperate with the "Application Server" through APIS to provide new integrated network servic

What is the difference between the bridge mode and the NAT mode? Bridged networking (Bridging Mode)In this mode, the Virtual Operating System of VMWare is like an independent host in the LAN, which can access any machine in the network. In the bridge mode, you need to manually configure the IP address and subnet mask for the virtual system, and also need to be in