Terminal commands - ifconfig or ipconfig on windows
One of the most common errors on electronic devices. This Error indicates that an update was "corrupted" or "Unsuccessfully patched"
Explanation:
A hub is used to send the message from one port to other ports.It does not know the specific address of the destination where the message needs to send.it works on Physical layer of the OSI model(layer 1).
A switch can handle data and it knows the specific address of the destination.A switch works on the data link Layer of the OSI model(layer 2).
Answer:
Quality assurance testing plays a very crucial role in the process of software development. It saves money and time by spotting bugs and errors early in the software development life-cycle. Software that is newly developed may have inconsistencies, redundancies, and flaws; therefore, proper QA testing is mandatory.
Explanation: