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The main purpose of a computer network is to realize resource sharing, network communication, and centralized management of computers between computers. In addition to this, there is load balancing, distributed processing, and improved system security.
with reliability and other features.
1. Resource sharing.
1) Hardware resources: including various types of computers, mass storage devices, computer peripherals, such as color printers, electrostatic plotters, etc.
2) Software resources: including various application software, tool software, supporting software used in system development, language processing programs, and database management systems.
Wait. 3) Data resources: including database files, databases, office documents, enterprise production reports, etc.
4) Channel resources: Communication channels can be understood as the transmission medium of electrical signals. The sharing of communication channels is one of the most important shared resources in a computer network.
2. Network communication.
3. Distribution processing.
Spread the tasks you want to work on across computers instead of centralizing them on one mainframe computer. In this way, not only can the complexity of software design be reduced, but also the work efficiency can be greatly improved.
and reduce costs.
4. Centralized management.
In the absence of a network, every computer is an "island of information."
When it comes to managing these computers, they must be managed separately. After the computer is networked, the entire network can be managed in a central location. Such as database intelligence retrieval system, transportation department ticketing system, military command system, etc.
5. Balance the load.
When a computer in the network is too heavily loaded, it goes through the network and applications.
to distribute jobs to other computers in the network, and be done by multiple computers.
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Ping An Bank's official ** is".
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The functions of computer networks are mainly manifested in three aspects: hardware resource sharing, software resource sharing, and information exchange between users.
1. Hardware resource sharing.
It can provide the sharing of expensive equipment such as processing resources, storage resources, input and output resources on the whole network, so that users can save investment, and it is also convenient for centralized management and balanced load sharing.
2. Software resource sharing.
Users on the Internet are allowed to remotely access all kinds of large databases, and can obtain network file transmission services, remote process management services and remote file access services, so as to avoid duplication of work in software development and duplicate storage of data resources, and also facilitate centralized management.
3. Information exchange between users.
Computer networks provide a powerful means of communication for users who are distributed across the globe. Users can send e-mails, publish news messages, and conduct e-commerce activities through computer networks.
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The main function of the enterprise network is to provide reliable and efficient information communication channels to achieve information exchange and data sharing between enterprises and between enterprises and the external environment. Here are the key features of the enterprise network:
1.Data communication: Enterprise networks provide reliable data communication channels that allow for real-time communication and data sharing between employees and departments, improving work efficiency and collaboration.
2.Resource sharing: Enterprise networks can share resources, including hardware resources such as data, files, printers, and scanners. Through the network, employees can quickly access resources and can share data and information across multiple devices.
3.Business support: The enterprise network can support the business process of the enterprise, including production management, sales and grinding management, customer service, etc. Through the network, different departments can share information in a timely manner, coordinate work, and improve work efficiency and production efficiency.
4.Security management: The enterprise network can implement security management, including identity authentication, data encryption, access control, etc. Through the network, businesses can protect important data and information from data leakage and theft.
5.Management and monitoring: Enterprise networks can manage and monitor networks and devices, including network traffic and device running status. Through the network, enterprises can find and solve network problems in a timely manner to ensure the stability and efficiency of network operation.
To sum up, the main function of an enterprise network is to provide efficient information and communication channels, and to support resource sharing, business management, security management, and monitoring. Enterprises can achieve collaboration between departments through the network, improve production efficiency and competitiveness of the enterprise industry.
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The functions of a computer network are as follows:2. Resource sharing: This is the main purpose of computing the filial piety machine network, and the shared resources include hardware, software and data.
Sharing hardware resources is the material basis for sharing other resources; Software resources include various language processing programs and applications, etc.; Data resources mainly refer to various types of data.
3. Improve reliability: Since the network generally adopts a distributed control mode, the resources are distributed on different computers, and when some computers fail in the network, the network can access resources through different paths.
4. Distributed: Promote the development of distributed data processing and distributed databases.
The composition of a computer network is sensitiveThe classification of computer networks is the same as the general classification method of things, and can be classified according to the different properties and characteristics of things (i.e., the properties of things). Generally speaking, a computer network is composed of multiple computers (or other computer network equipment) connected together by a transmission medium and software. In general, the composition of a computer network basically includes:
The computer, the network operating system, the transmission medium (tangible or intangible, such as the transmission medium of the wireless network is space) and the corresponding application software.
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The characteristics of Internet enterprises include special growth models and high operational risks.
Advantages of choosing the Internet industry.
First, the industry salary is high.
In the era of rapid development of market economy, the Internet industry has become one of the promising high-paying industries with a strong momentum of development. In the face of the huge demand for talents, the company will give higher salaries in order to win professional technicians.
Second, the threshold for entry is low.
The threshold for learning Internet skills is low, it takes less time, and it is easy to learn and understand. Taking Xinhua computer education as an example, starting from scratch teaching, phased and five new classroom teaching modes, and real project training of enterprises, completely dispel the concerns of not being able to learn. As long as you are willing to work hard, you can achieve your dreams.
3. Receive advanced scientific and technological knowledge.
With the development of the times, the progress and changes brought by the Internet industry are deeply rooted in the hearts of the people, and the Internet industry has always been a symbol of the progress of the times, and is synonymous with high technology and advancement.
Fourth, ambush and strong professionalism.
The project awareness and professionalism of the employees of the Internet are very strong. Positions such as engineers require very professional technical knowledge, so Internet practitioners have a strong sense of professionalism.
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1. Fault managementFault management is one of the most basic functions in network management. When the network fails:
a.It is important to find out exactly where the failure occurred as quickly as possible.
b.Isolate the rest of the network from the faulty part to ensure that the rest of the network can continue to operate without interference.
c.Reconfigure or reorganize the network to minimize the impact on the network due to isolated failuresRepair or replace the faulty part to restore the network to its initial state.
2. Accounting management aStatistics on who users, what channels are used, how much data is transmitted, what resources are accessed, etcStatistics on the utilization of different routes and various types of resources.
3. Configuration Management aIdentify the topology of the managed network, identify various phenomena in the network, automatically repair the configuration of specified devices, and dynamically maintain the network configuration database.
4. Performance management aWith the least amount of network resources and the lowest latency, the network is ensured to provide reliable and continuous communication capabilities and the use of network resources is optimized.
5. Security management aEnsure that network resources are not illegally used and prevent network resources from being compromised due to intruder attacks.
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You mean pert? The function is embodied in the state-of-the-art project progress management method. It is also the best plan schedule chart for all project participants to know the latest start time and latest completion time of the project they undertake.
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