Shulou(Shulou.com)06/01 Report--

Many netizens are preparing for the intermediate title of network engineer, no matter for what is the idea of progress, action is support.

But there are also bad netizens talking about the second edition in my hands. Is the first edition useless? Do I have to buy the third edition? Now the introduction of the preface in the third edition is in detail, which is easy for everyone to understand. At the same time, I also hope that more netizens will devote themselves to the soft examination and play a role in their posts.

Network engineer course (third Edition)

According to the new network engineer examination outline, the content of this book was greatly adjusted when it was republished this time.

The part of the basic knowledge is simplified, which does not mean that the basic knowledge can be mastered less.

The part of applied technology is rewritten.

Highlight the configuration of the network server. -- pay more attention to the practicality of network management

Configuration of routers and switches. -- pay more attention to the configuration of network hardware equipment

And practical technologies such as network security and network management. -- Internal security and management

After proper adjustment, the whole book is reduced to 10 chapters. 1 the main contents are introduced as follows.

Chapter 1 introduces the basic concept of computer network. The main content of this chapter is the architecture of computer network-ISO open systems interconnection reference model, in which the basic concepts, such as protocol entities. Protocol data unit, service data unit. Connection-oriented services and connectionless services. Service primitive. Service access point. The multiplexing between adjacent layers and the functional characteristics of each protocol layer are the theoretical basis for network analysis and the basic knowledge that network engineers and technicians should master.

Chapter 2 describes the basic knowledge of data communication, this chapter mainly belongs to the physical layer. In addition to being familiar with the working principles of network protocols, network engineers. In addition to being able to operate the network interconnection equipment, we should also master the basic knowledge of data communication, so that we can aim at the target and get twice the result with half the effort in network fault analysis and troubleshooting.

Chapter 3 introduces the telephone network. Data communication network. The basic knowledge of wide area communication networks such as frame Relay Network and Integrated Services Digital Network, which are the infrastructure that must be used for network interconnection. This basic knowledge can help network engineers to select network interconnection devices according to existing conditions.

Chapter 4 introduces the main technologies of local area network and metropolitan area network in detail. This revision highlights the fast Ethernet technology, deletes the less used token ring network, and enriches the contents of wireless local area network and metropolitan area network. This chapter is the most important basic knowledge that a network engineer should master.

Chapter 5 discusses the basic principle of network interconnection and explains the Internet protocol and its network services. This chapter is also an important basic knowledge that network engineers should master.

Chapter 6 contains the basic knowledge and application technology of network security. Candidates should master such as data encryption. Message authentication. Based on the basic theories such as digital signature, we can deeply understand the working principle of network security protocols, and can design and implement simple security solutions for specific network systems.

Chapter 7 introduces the basic knowledge of Windows and Linux operating system, and describes in detail the configuration methods of various servers. The content of this chapter is mainly in the specific operation, the network engineer should be able to configure all kinds of network servers skillfully and eliminate the faults in the network servers.

Chapter 8 is about the basic knowledge and practical technology of network interconnection equipment operation. This chapter also requires proficiency in operation, with emphasis on VLAN and dynamic routing configuration. Network engineers are required to be familiar with the working principle of network interconnection devices, master the configuration commands of routers and switches, and be able to rule out network interconnection devices.

Chapter 9 is network management. Candidates should not only be familiar with the architecture and operation principle of SNMP protocol, but also be able to actually operate the network management system, skillfully use common network management commands, and give practical network management solutions for specific networks.

Chapter 10 deals with network planning and design. According to the design goal of the network, the network engineer should be able to give the solution and write the standard design and implementation document according to the method of system engineering. In addition, this chapter also gives a case of network planning and design as a reference for learning.

The new outline adds new technologies such as IPv6.c802.1111x.cMPLS.c optical fiber backbone network. I hope candidates will pay attention to it.

Conclusion: the release of the new version is more conducive to candidates to learn the basis, master practice, understand the use. And can play the role of a connecting link between the preceding and the next, laying the groundwork for the examination of network standard design. At the same time, through the orderly process of learning and practice, we can aim at the target, solve the problem with twice the result with half the effort, and face the exam calmly. And the examination is just a process, and when you understand all this, the exam will be as easy as doing an assignment. I hope everyone can succeed.

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