Answer:the main signal bearing entities are voltage and their current in circuit environments.
Explanation:
Answer:

2 + 6 in programming is an example of math. It is the same as in the real world. Plus signs in coding are also a form of <em>string concatenaction,</em> the term used for combining two strings into one, or a variable into a string.
Answer:
The correct answer will be "Project Gutenberg".
Explanation:
- Project Gutenberg continues to obtain lots of requests for authorization for using printed books, pictures, as well as derivatives from eBooks. Perhaps some applications should not be produced, because authorization would be included in the objects provided (as well as for professional usages).
- You can copy, hand it over, or m actually-use it underneath the provisions including its license that was included in the ebook.
So that the above is the right answer.
Answer:
C. Address Resolution Protocol (ARP) poisoning.
Explanation:
An antivirus signature file is a program written to describe and remedy a group of identified malware attacks, to prevent future attacks from the described malicious softwares. It is constantly updated to identify more malicious softwares.
A network access protocol (NAC) is used to implement access control on a network, collaborating with other protocols like ARP and unifying antiviruses, intrusion detection and vulnerability assessment.
When the virus signature file is out of date, the NAC allows a new malware, the antivirus can not identify, to access the network through ARP poisoning.