Answer: c. Tempest
Explanation:
Tempest (Telecommunications Electronics Materials Protected from Emanating Spurious Transmissions) is a branch of the US National Security Agency. The function of this organization is to protect against spying on information systems. The methods they use are for transmitting emanations, including unintentional radio or electrical signals, sounds, and vibrations.
The proper answer is D. All the above
Askia Muhammad was the ruler of the Songhai Empire from the late 15th and early 16th century. His clan came from the oldest prominent families in the West Africa, and one of his major contributions to the empire was the policies he implemented which caused an increase of trade between his empire and the nations from Europe and Asia.
A.business profits and consumer choice