electro-mechanical data storage device
Answer:
A Tape Library
Explanation:
A tape library, sometimes called a tape silo, tape robot or tape jukebox, is a storage device that contains one or more tape drives, a number of slots to hold tape cartridges, a barcode reader to identify tape cartridges and an automated method for loading tapes. It Enables faster data migrations, reduce the complexity of and increase the frequency of backups, and streamline governance in a secure and cost-effective way.
Answer: B)The redo log buffer becomes one-third full.
Explanation:Redo log buffer is the type of buffer file that is present for storing the changes that have been done in data. Database changes are the made goes in the records of the redo entries.the change of the buffer to the redo files is done when the buffer contains change records which are full till the one-third section, thus conversion takes place from the redo buffer to the redo files.
Virtualization and dynamics I think.
