The difference between RIP and OSPF
Routing can be divided into static and dynamic routing. The static route is manually maintained by the administrator; the dynamic route is automatically maintained by the routing protocol. Necessary steps of routing algorithm: 1. Pass routing inform
Posted at 21-04-25 by SKYSKY views(738)
Basic concepts of video codec
1. general Analog technology was used in the field of audio and video in the early stage, and it has been developed into digital technology. The main advantages of digitization are: high reliability, can eliminate transmission and storage loss, and
Posted at 21-04-23 by SKYSKY views(275)
LAN design(2)
2. Local area network design 1. LAN design principles +Inspect the physical link +Analyze the characteristics of the data stream +Using a hierarchical model for design + Consider network redundancy 2. Select the network topology Hybrid These topolo
Posted at 21-04-25 by SKYSKY views(244)
Introduction to Linux operation and maintenance basics: combing basic network knowledge
1.ARP protocol Use the ARP protocol to find out the MAC address of the host that changes the IP address without authorization. Before learning the ARP protocol, you need to understand the related concepts of broadcast and broadcast domains. 1.1 Bro
Posted at 21-04-25 by SKYSKY views(158)
What is Ethernet(1)
Ethernet is the most common communication protocol standard adopted by existing local area networks today. The standard defines the local area network (LAN) cable type and signal processing method used in. Ethernet connects devices with 10~100Mbps r
Posted at 21-04-25 by SKYSKY views(571)
What is Ethernet(2)
△ Classification of switches: According to the different operation modes of the switch processing frames, it can be divided into two categories. Store and forward: The switch must receive the entire frame before forwarding, and perform error detect
Posted at 21-04-25 by SKYSKY views(510)
Definition and division of virtual local area network
1. Definition A virtual local area network (VLAN) is a group of logical devices and users. These devices and users are not restricted by their physical location. They can be organized according to factors such as functions, departments, and applicat
Posted at 21-04-25 by SKYSKY views(906)
The difference between Push-pull
Push (PUSH) technology is a mechanism built on the client server, which is a technology in which the server actively sends information to the client. Compared with the traditional pull (PULL) technology, the main difference is that the push (PUSH) te
Posted at 21-04-25 by SKYSKY views(973)
Basic knowledge of Ethernet-computer network
At this stage, there are three mature LAN technologies: Ethernet, Token Ring and Fiber Distributed Data Interface (FDDI), and Ethernet technology has gradually become the mainstream of LAN technology. The English full name of CSMA/CD is Carrier Sens
Posted at 21-04-25 by SKYSKY views(314)
VLAN, trunk and VTP
VLAN VLAN is the logical combination of switch ports. VLAN works in the second layer of OSI (data link layer). A VLAN is a broadcast domain. The communication between VLANs is completed through the router of the third layer. VLAN has the following
Posted at 21-04-23 by SKYSKY views(485)
