The would be Dialect.
Linguist is more of a study of language
stereotype is more like a first impression of what's commonly known.
A language branch is like a collection of language like a bag of marbles
The only correct answer is C.
A allows decimal and non-decimal values.
B allows any string and you could put a decimal point value into it.
C only allows whole numbers.
D is the same as B just a bit more redundant.
Answer:
Advanced persistent threat.
Explanation:
Advanced persistent threat is a threat actor implemented by either a government supported or private group to intrude a network or system and stays undetected, collecting information over a period of time.
It is used by cyber terrorist group to facilitate massive attacks based on the information retrieved. National or government group use the concept to promote national security.
A cyber community is a virtual online community on the internet. You are a part of it when you're active in the group.