How can manual user input used in the frontend scripts be sanitized?
Select two correct answers:

Question

How can manual user input used in the frontend scripts be sanitized? 
 Select two correct answers:

Answer

By creating a drop-down list with predefined choices

Answer

By adding a JavaScript preprocessing step with validation to the frontend script

Answer

By creating an input validation rule using a regular expression

Answer

By using a Zabbix CAPTCHA system

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