Um whichever is better for you! ummm whats the point of this question?
Answer: B. Perform a hash on the file for comparison with the vendor’s hash.
Explanation:
Before installing the firmware update, the step that the technician should perform to ensure file integrity is to perform a hash on the file for comparison with the vendor’s hash.
Hashing refers to the algorithm that is used for the calculation of a string value from a file. Hashes are helpful in the identification of a threat on a machine and when a user wants to query the network for the existence of a certain file.
Answer:
C. analyzes data and trends and predicts future data and trends.
Explanation:
Predictive analytics can be defined as a statistical approach which typically involves the use of past and present data ( factual informations) in order to determine unknown events or future performances of a business firm or organization. It is focused on determining what is likely to happen in the future.
For example, a data analyst trying to determine how to effectively stock his company's warehouses incase of an anticipated pandemic and he's using current sales data to project the demands.
Hence, a predictive data analyst is an individual who analyzes data and trends and predicts future data and trends.