The FAT method . a. keeps information about the block where bit vector is stored.
b. employs space maps to manage information about free blocks.
c. does not store information about free blocks.
d. incorporates free-block accounting into the allocation data structure.

3. bob is arguing that if you use output feedback (ofb) mode twice in a row to encrypt a long message, m, using the same key each time, it will be more secure. explain why bob is wrong, no matter what encryption algorithm he is using for block encryption (15 points).

Which location-sharing service offers items for users as a gaming component and also allows them to collectively link their check-ins to publish a trip? a. whrrl b. buzzd c. foursquare (this option is wrong i already tried) d. gowalla for plato

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