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This study explores the design and practice of informatization teaching in English for senior hospitality service majors, based on the ARCS model, and optimizes the teaching process through the Analysis of learning situation and the design of teaching practice sessions. The study adopts the classroom attention model (PA model) to analyze students’ behaviors with multivariate behavioral models and predicts students’ English scores based on the NB algorithm. The experimental results show that there is a significant difference between the reform class and the regular class in terms of the total scores of the basic English post-test, and the speaking, Listening and reading scores of the reform class are significantly higher, where the value of the full score significance (two-tailed) is 0.022. In addition, a cluster analysis of 400 students was conducted, and the correlation between students’ attention and their scores was explored. The Analysis of the teaching model showed that students were satisfied with the blended teaching, especially in “overall design and effectiveness” and “choosing the reformed teaching course again”.

Computers are closely related to our life and work. We have entered an era in which computers are not available in all walks of life. Among them, many important documents and materials will be stored in the form of electronic files in the computer. However, computers are not absolutely safe, and cases of information theft occur from time to time. Most people usually keep information confidential in the form of encryption. How to avoid the problem of computer information security. Computer network security involves all aspects. To solve these problems, there are many levels of technology, such as cryptography technology, network security technology and so on. Our country has also done a lot of research on the security protection of computer network technology, and these research results have also achieved certain results in the actual construction of computer network. In order to ensure the normal operation of computer networks, ensure information security and prevent information leakage and theft, a special protection system has been established to ensure the security of computer network information by setting up computer detection, security assessment and other links. However, with the rapid development of science and technology, the updating of electronic products is faster and faster, and the challenge of Wechat for network security information is more severe. How to protect computer network information security needs to be solved urgently, this paper discusses this.

As networking systems have become more complex and expensive, hands-on experiments based on networking simulation have become essential for teaching the key computer networking topics to students. The simulation approach is the most cost effective and highly useful because it provides a virtual environment for an assortment of desirable features such as modeling a network based on specific criteria and analyzing its performance under different scenarios with no cost. In this paper, we present our approach to develop an OPNET simulation networking laboratory that complements classroom lectures. Our simulation labs emphasize the understanding of the dynamics of network protocols instead of configuration and management. Students learn, through these experiments, a wide range of networking aspects including the design and the limitations of protocols, simulation and performance evaluation techniques, interpretation of data and packet analysis. Furthermore, we try to ensure that labs contain some extension or development of the topic beyond the lecture/reading and provide students additional active learning opportunities to discover knowledge. We have been using OPNET simulation in an introductory computer networks course for the past three years. Feedback from the students has been very positive. Overwhelmingly, students have indicated that the OPNET labs help them better understand the intricate details of actual networking protocols, and they generally indicate that they enjoy these labs as well. In summary, students benefit from the OPNET simulation laboratory in the following three ways. First, the OPNET simulation labs reinforce the networking theory taught by regular lectures. Second, the open design of the labs encourages active learning. Third, students gain the knowledge of modeling and simulation techniques for performance evaluation of networking systems. This active learning approach gives students experience in the subtleties of the design of a complex system, as well as prepares them for the networking industry. (Contains 7 figures and 1 table.)