Not sure if your asking what certain application or the definition. But the definition: A security practice that blocks or restricts unauthorized applications from executing in ways that put data at risk.
Answer:
A dynamically created Google forwarding number
Explanation:
A temporary number that is used to forward the call that are assigned to a Google Ads call extension is called Google forwarding number. This number is used to forwards calls to the advertiser's phone number for the purpose of tracking call conversions.
These number are created dynamically to trace the advertisers conversation.
A- 3.5 x 2 ...................................................
Electronic data interchange
