A class can be defined<span> using another class as a foundation. In object-oriented programming terminology, one class can </span>inherit<span> fi elds and methods from another. An object that inherits from another is called a subclass, and the object it inherits from is called a superclass. A subclass extends the superclass.</span>
Answer:
Physical and data link layer.
Explanation:
The ethernet cable is used at the physical layer. The physical layer consists of hardware components. This layer is responsible for transmission of data bits between two nodes via a physical wire. The data link layer provides the means in which data packets are transmitted from one node to another.
Suppose two computers (A & B) are directly connected through Ethernet cable. A is sending data to B, the packets would be sent from computer A to computer B if computer B is free if not it would wait until computer B is not transmitting before it can start sending data packets to computer B.
Answer:
Refresh the page, it will reset all the underlying code.
Explanation:
Inspecting an element is essential for web developers in building websites faster and better. The Chrome DevTools is a powerful tool that is integrated into the Chrome browser to assist developers in on-the-go website troubleshooting.
Editing codes in the Chrome DevTools console does not affect the source code of the website hosted on a server, it just provides instant editing functions for troubleshooting or website enhancement.
Therefore, refreshing the page, re-loads the website again from its database which will show the unedited website. In our scenario, after refreshing the page, all the deleted DIV that contains all the authentication will reappear again.
Answer:
Two advantages of the agile methods are:
- The agile method require less documentation process as compared to waterfall model and saves maximum time and money. It basically reduces the efforts and the amount of work.
- In agile method, there is always high customer satisfaction present. In agile method, it is easy to modify in the data as compared to the waterfall model. The customers and developers always interact with each other as the interaction is very important for the good results in the project.
Two disadvantages of the agile methods are:
- For the large and complex projects, sometimes it is difficult to determine the requirements in the software development as projects are easily go off track.
- There is less predictability and the projects are easily messed up if the projects requirement are not clear by the customer end.
