Data management #9

Question 1

what is user access levels

Answer 1

a method used that allows certain users to read and/or write access to data on a computer system. Defines which users can change and view, view but not change, or not view stored data.

Question 2

what is encryption

Answer 2

conversion of data, using an algorithm, into a form called cyphertext, that cannot be easily understood by people without the decryption key

when data is encrypted, a logical operator is sometimes used, called the XOR logical operator.

Question 3

what is XOR

Answer 3

the XOR logical operator has two inputs, and out output. The output is 1 only if A and B are different.

Question 4

Name some ways for network security?

Answer 4

• User access levels
• Suitable passwords

Question 5

Whats with the suitable password thing

Answer 5

Well apparently its to do with idk a really well made password

bro its just so self explanatory like man wing it

Question 6

What is lossless compression?

Answer 6

Data compressed/decompressed that can’t lose data

Exact original file or summin

Question 7

What is lossy compression?

Answer 7

Data compressed/decompressed that can lose data

Aim to reduce amount of data to be stored

Question 8

Remember bout that ratio thing withg the compression

Answer 8

Whatever

Question 9

Ways of saving lost data

Answer 9

Backups

Question 10

not explaing backups u gon have to wing it

Answer 10

Whatever

Question 11

If worst comes worst, theres this word called archiving

Answer 11

Whatever?