Answer:
Physical science is the study of the inorganic world. That is, it does not study living things. (Those are studied in biological, or life, science.) The four main branches of physical science are astronomy, physics, chemistry, and the Earth sciences, which include meteorology and geology.
Answer:
Repeater
Explanation:
Repeater is the device that is used in networking to enhance or boost the signal to increase the range of the signal.
So the user should purchase the Repeater to boost the wireless signal.
Answer:
c. Elasticity
Explanation:
When referring to Cloud Servers this capability is known as Elasticity. It basically describes how able and efficient a server is to automatically implement resources and remove resources in order meet the specific amount of demand at any given moment. Many times a server will not have much demand but will still have all the resources being used by the server. Being able to remove these unused resources so that they are available for other usage is what makes the servers elastic.
Answer:
A dictonary attack.
Explanation:
Dictionaries hold many words that can be downloaded and used. Word or name passwords are usually just one word or maybe two. In other words, predefined words being used as a password? Not safe. When someone attempts to crack it, they use brute force attacks. Among these are dictionary attacks, which focus on the actual words rather than numbers.
