Unit 2 Flashcards

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1
Q

Select and fully justify your proposed method of solution

A

Indicative content:
- Discussion of interface (CLI/GUI)
- Data Structures (arrays/files)
- File handling (serial/random)
- Validation (range, format, presence, length)
- Local or global variables used
- Ability to handle data types (string/integer/Boolean

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2
Q

Secondary Storage and Recovering Data

A

Cloud Storage -
- Always a local copy if there is no internet connection
- able to copy data offsite over an internet connection continuously

Magnetic Tape-
Inexpensive medium (affordable if small company)
- Could have a backup policy of rotating the tape as in a grandfather father son system.

External Hard Disk -
- limited data would mean that making a copy would be practical
- make a copy each night and take off site

Recovering Data
- Backups

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