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.
Storing memory maybe hope thishelped
Answer:
See explaination
Explanation:
(MapReduce) = Programming Model
(Variability) = Sentiment analysis
(Feedback Loop Processing) = Health Systems transit
(volume, velocity, variety) = Big Data, applied to collect data
(Hadoop) = A Big Data Application that handles very large-sized block of data.
B I think it is but I am not 100% sure on
Answer:
sendObject(John_Doe)
Explanation:
To invoke a method, simply call the name of the method, followed by it's arguments in parenthesis. i.e methodname(argument).
In this case, the name of the method is sendObject and it's argument is a Customer object stored in or referenced by a variable John_Doe.
The above is true since the method is defined in the same class that calls it. Otherwise, it is not valid.