The answer is firewall. It is a network security device that observes inbound and outbound network traffic and chooses whether to allow or block specific traffic based on a well-defined set of security rules. Firewalls have been a first line of protection in network security for over 25 years. The firewall present a barrier between measured and secured internal networks that can be trusted and untrusted outside networks, for example the Internet. A firewall can be software, hardware, or even both.
Answer:
C. Generalization
Explanation:
The relationship between subclass and superclass is generalization. For example there will be generalization between the class Employee and class HourlyEmployee which inherits from it. All the other options are not suitable.
Based on the scenario above about the leading-trailing system Both technician A and B are incorrect.
<h3>How many brake shoes function?</h3>
There are known to be two shoes function that are said to be working a way where both become either the trailing shoe or leading shoe based on whether the vehicle is moving forward or backward.
Therefore we can say that, Based on the scenario above about the leading-trailing system Both technician A and B are incorrect.
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Answer:
Sound
Explanation:
Dart is object oriented. It's sound feature helps to make codes more maintainable and readable. The sound type system means that one can never experience w state where where an expression would evaluate to a value that wouldn't match that expressions static type.
The sound system makes the code to be unambiguous. It makes the code to be easier to read as types cannot lie, also your code would be more maintainable since when a piece of code gets to be changed, you would be warned of other pieces that may have gotten broken.
