Answer:
D
Explanation:
the first three you would need hands-on practice to learn.
Answer:b) Master reference file(MRF)
Explanation: Master reference file is the collection of data that persist the schedules records for the maintenance and administration. It is the UDC version tool .
It helps in the managing the data content present in the database, archiving and tracing any changes on the database over certain time.Master data management is the managing of data's integrity .It send the collected critical data to the master reference files.
Other given options are incorrect because backup file is for creating data backup, central directory is record of the data of users and other information and data silo is kind of fixed data having the governance of any organization.Thus, these factors don't help in the critical information management.Thus, the correct option is option(b).
Well, some countries think of the Internet like as if it was a weapon. The Internet to them does not seem like what the Internet is to us. Internet features like the Dark Web or Deep web has given them enough reasons on why they should be prohibiting it.
