Lingyi Xu

We care about a domain because a domain related to system and management, which is easier and efficiency to assess the system and management of the system. If you have a domain at home, it means that you can assess at home. It is dangerous for the company because other people also can assess in other places based on the weak of security. For an IT…[Read more]

I know the difference between LAN and WAN. LAN routing is a process that each central node maintains and uses routing tables to make routing decisions. Wide area network routing (WAN) routing is a store-and-forward method used by packet routing. At the same time, this lesson also taught me how to calculate network hardware, including NIU, Hub,…[Read more]

By storing the data in different tables, you can reduce the probability of editing the data. At the same time, for different parts of the data collection, the split table also gives different people different permissions, which is what IT auditors should pay attention to. In order for ERD to work with SQL, we need to create queries for SQL. We can…[Read more]

prefer the graphical user interface, but I think the command line interface is cool after learning. As I researched, the GUI (Graphical User Interface) is a graphics computer. It allows users to interact with electronic devices through graphical icons and visual indicators instead of a text-based user interface. The advantage is that it is easier…[Read more]

The application creates a lot of convenience for our daily activities. Both form applications and web applications are designed to help us easily access the utilities they provide. But the form application is already set in the personal computer, such as camera, video player, calculator; and the web application is an application that can be…[Read more]

C# is a general-purpose and multi-paradigm programming language encompassing strong typing, imperative, declarative, functional, generic, object-oriented, and component-oriented programming disciplines that developed around 2000 by Microsoft. Compared to C and C++, I feel it is simpler and easier to use with the similar high operating efficiency…[Read more]

Web applications have become such a target for hackers because they often store valuable data such as credit card numbers, personally identifiable information (PII) and financial data. I think that A6-Sensitive Data Exposure is important in securing web applications. At first, sensitive data exposure leads to financial loss. Harkers use sensitive…[Read more]

We store data in separate tables and not in one big table because it makes sense to combine all of these tables into one big table of related content. In addition, it may be more convenient to split them. If people can make good use of ERD in database engineering, people can generate high-quality database design for database creation, management,…[Read more]

Storage components are very important for the IT system, which are used by the computer as a location to store bulk data until it’s required. For an IT auditor, it is a good experience to get IT knowledge. Many people never work in a factory that manufactures hard drives, so it is a good way to know the basic knowledge of storage components. For…[Read more]

Definitely yes! In the past, I had a similar network for my home. It had an easy instruction to follow it. However, I never make up a corporate network. I learned how to set up a network on the activities. For an IT auditor, it is a good experience to get IT knowledge. For people who did not have an IT background, it is also a good experience to…[Read more]

This is the first time that I heard and know how to Install multiple virtual machines with different operating systems using 2 different types of virtual machines hosting technology. As a no IT background people, it is good for understanding the basic IT knowledge. Configuring 3 different types of operating systems will help my IT auditor career…[Read more]

As a student who has no IT background, it is essential to know how to build a PC. In my opinion, building a PC lead me to understand the basic elements in a PC. When IT auditors talk to other people who have no IT background, they may not know the professional words. When IT auditors talk about professional words, they use general words to explain…[Read more]

In my opinion, IT audit is a third party independent of the information system itself, information system-related development. IT auditors use standards to fully and effectively inspect and evaluate the activities and products that related to the planning, development, using and maintenance of information systems. The primary key for IT auditors…[Read more]