In the past, our network ____ (crash) frequently due to low bandwidth. 

By the time the technician arrived, we ____ (already/check) all possible solutions. 

The IT manager ____ (know) the best practices for data encryption. 

Offices ___(use) have isolated computer systems before networks connected all the devices for easier data sharing. 

Right now, the system ____ (process) a large data request. 

Before automation, engineers ____ (spend) hours configuring each database entry. 

This system ____ (contain) all the critical data we need for analysis. 

While the team ____ (install) the software, they encountered several issues. 

Since last year, they ____ (implement) new security measures continuously. 

Right now, our IT team ____ (test) the network speed to ensure optimal performance.