16: To keep a system secure it is important to:

Track data

Enforce data

Validate data

Store data

17: Validation Matching, match the term with its definition:

1. Origin

2. Size

3. Lexical Content

4. Syntax

5. Semantics

a: Is it reasonably big

b: Is the data from a legitimate sender?

c: Is the format, right?

d: Does the data make sense?

e: Does it contain the right characters and encoding?

18: In Lexical Content of data we look at the ______ but not the _____

Content, Structure

Structure, Content

Structure, Data

Validation, Content

19: Authorization headers also contains a ___ where the message content has been signed using your secret key

Code

Phrase

Signature

Input

20: Origin Checks can be done by checking the ____ or requiring an access key to counteract DDoS attacks.

Header

Passwords

Source

Origin IP