What Are Transport Networks, Core Networks, Transmission Networks, and Access Networks? Today, I will mainly talk about carrier networks, their evolution, and technological trends to help beginners understand the development of networks, services, and technology. Before we delve into the knowledge, let me share a story about sending a package: I want to send a … Read more
Electric valve actuators are ubiquitous in today’s industrial space. They can be found in various industries and applications, including water treatment and wastewater treatment plants, hydroelectric power plants, refineries, shipyards, and many processing industries such as chemicals, food and beverage, pulp and paper, and pharmaceuticals. It is crucial for anyone responsible for selecting and operating … Read more
How to Uninstall and Manage Startup Items for TCP/IP Port Server: 1. Use the shortcut key combination “win+R” to open “Run”. 2. Click “Run” — enter the command: msconfig — confirm3. System Configuration — Startup The items checked in the list are the startup items for the system. You can disable the unnecessary startup items.4. … Read more
Many low-voltage engineers often encounter network faults in projects that require detection and localization of the fault points through various commands. By using network commands, the troubleshooting work can achieve significant efficiency. Let’s review and learn anew! 1. Ping Command (Internet Packet Explorer) The ping command is a highly utilized utility primarily used to determine … Read more
IP address conflicts typically occur within a local area network (LAN). In a LAN, multiple computers are present, each assigned a unique IP address. If one computer’s IP address is modified and coincides with another computer’s IP address within the same LAN, an IP conflict will occur. 【Fault Case】: In a certain LAN, the router … Read more
Blue Team – Technical Exchange In the field of information security, the characteristics of network security can be classified according to the OSI reference model, facilitating a systematic approach to analyzing and researching information network security risks. What is the OSI Reference Model? The OSI (Open System Interconnect) model, commonly known as the “OSI Reference … Read more
How to Connect PLC Using WINCC and TCP/IP Prerequisites The prerequisite for establishing communication between the PLC system and WINCC6.0 via Ethernet is that the PLC system is equipped with an Ethernet module or uses a PLC with a PN interface. The list of Ethernet modules is shown in the table below: Note: Only modules … Read more
This article is a highlight from the Kanxue Forum. Author from Kanxue ForumID: Toxic Table of Contents 1. Vulnerability Information 1.1 Brief Description 1.2 Component Overview 1.3 Exploitation 1.4 Impact 1.5 Solutions 2. Vulnerability Reproduction 2.1 Environment Setup 2.2 Reproduction Process 3. Vulnerability Analysis 3.1 Basic Information 3.2 Background Knowledge 3.2.1 Basic Knowledge 3.2.2 Terminology … Read more
Click the blue text above to follow us Resource Sharing Huawei Certification Beginner to Advanced Practical Course ↓ Scan the QR code for video tutorials ↓ In the digital age, the Internet has become an indispensable part of our lives. Within this vast network system, there is a key protocol that plays an important role … Read more
I remember the first time I learned about the global Internet, I wondered what it was really like. When people told me there was a computer network covering almost all of the United States and many places around the world, the first image that came to my mind was a thick cable running along telephone … Read more