ad-hoc networking

Summary of Common Computer Network Interview Questions

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Summary of Common Computer Network Interview Questions

Author: Shui De Original: http://blog.csdn.net/jxh_123/article/details/40316081 1. OSI, TCP/IP, and Five-Layer Protocol Architecture OSI Layers (7 layers): Physical Layer, Data Link Layer, Network Layer, Transport Layer, Session Layer, Presentation Layer, Application Layer. TCP/IP Layers (4 layers): Network Interface Layer, Internet Layer, Transport Layer, Application Layer. Five-Layer Protocol (5 layers): Physical Layer, Data Link Layer, Network Layer, … Read more

Chapter Highlights for Computer Fundamentals in Adult Higher Education

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Chapter Highlights for Computer Fundamentals in Adult Higher Education

2024 Tianjin Adult Higher Education Entrance Exam Computer Preparation Plan Summary of Chapter Key Points, Please Click Below 👇 [Adult Higher Education Preparation] Key Points for Chapter One of Computer Fundamentals [Adult Higher Education Preparation] Key Points for Chapter Two of Computer Fundamentals [Adult Higher Education Preparation] Key Points for Chapter Three of Computer Fundamentals … Read more

71 Images Explaining IP Addresses, Routing, Fragmentation, and More

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71 Images Explaining IP Addresses, Routing, Fragmentation, and More

Directory Some friends asked: Why can’t we go online without configuring an IP address? What is the IP protocol? This starts with the TCP/IP protocol; the Internet uses the TCP/IP protocol, among which the IP protocol is one of the most important protocols. The IP protocol sends data packets to the destination host based on … Read more

Common Network Protocols: NetBEUI, IPX/SPX, TCP/IP

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Common Network Protocols: NetBEUI, IPX/SPX, TCP/IP

[Question:] What exactly are the three protocols: NetBEUI, IPX/SPX, and TCP/IP? Especially the first two, sometimes they are installed and sometimes not. Why is that? What are the differences and unique features? When must they be installed? [Answer:] Many users have asked this question. Here, I have researched and compiled relevant information to provide a … Read more

Understanding the Relationship Between Sockets and TCP/IP

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Fact One: File Descriptor Limits Friends who write network server programs in Linux surely know that each TCP connection occupies a file descriptor. Once this file descriptor is exhausted, a new connection attempt will return the error “Socket/File: Can’t open so many files”. At this point, you need to understand the operating system’s limit on … Read more

Understanding the Relationship Between IP Address and MAC Address

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Understanding the Relationship Between IP Address and MAC Address

In computer networks, to share resources and exchange data in an orderly manner, some pre-agreed rules must be followed. These standards or agreements established for data exchange in the network are called network protocols, abbreviated as protocols. To enable efficient transmission between computers, a layered approach is adopted, similar to how people collaborate to complete … Read more

Understanding Data Encapsulation in TCP/IP

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Understanding Data Encapsulation in TCP/IP

Click the blue text Follow us In daily life, when shopping online or mailing an item, we need to fill in both parties’ addresses, contact information, whether insurance is needed, and other details. Additionally, the courier company may have other regulations to be added to the purchase and mailing details. The purpose of this is … Read more

Detailed Explanation of TCP/IP Port Numbers in Networking

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Detailed Explanation of TCP/IP Port Numbers in Networking

In network technology, a port generally has two meanings: first, it refers to the physical interface (hardware) between computers and other devices. For example, interfaces like RJ-45 ports and SC ports used to connect other network devices such as switches and routers. Second, it refers to the logical virtual ports (software), which typically refer to … Read more

36 Images Explain Basic Networking Knowledge

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36 Images Explain Basic Networking Knowledge

Introduction Network Protocols When we connect to the internet using our mobile phones, we utilize many network protocols. Starting from the connection to WiFi, we use the 802.11 (i.e., WLAN) protocol to connect to the network; the phone automatically obtains network configuration using the DHCP protocol, and only after getting the configuration can the phone … Read more

Essential TCP/IP Networking Terminology Abbreviations

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Source:Network Editor | Ning Ning Quality Article 741 Words 3 Minutes ARP: Address Resolution Protocol (ARP), a TCP/IP protocol that obtains the physical address based on the IP address. CLNP: Connectionless Network Protocol (CLNP). CRC: Cyclic Redundancy Check (CRC), a hash function that generates a short fixed-length checksum based on network packets or computer files, … Read more