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dooln003 Inglês 8 flashcards

Flashcards do conjunto (8)

1Why sort data?*Easier if lists as printed reports
*You can identify the best customer amount by the amount they have spent
2If data is secured then...It cannot be destroyed
It cannot be accidently or maliciously altered
It cannot fall in to the hands of unauthorised people.
3What can happen if your database isn't secure?Loss of customers
Payments for goods not being received
Bad publicity
Management unable to make decisions due to lack of information
4How can passwords keep data secure?Authorised users are given username.
Each user has a password that they have to provide with the username.
Passwords are a method of authentication.
5How can physical security help keep databases secure?Locks on doors
alarms
ID cards
Biometric systems
6How can Access rights keep data more secure?No right to the access file
Read access(user can view file but not alter it)
Write access (users can view AND alter file)
7How can back-ups help keep data more secure?Help for fireproof safety.
Save on removable disks e.g. memory stick.
Made regularly.
8What are some benefits of using a database?Fast access
Easy to edit
Validation
Reports
Sharing
Security