When tables are exported into Excel from Access the table field names are displayed in Excel as these

What represents the degree to which a system is resilient to stress and able to maintain correct functioning?

A. fault tolerance B. critical functionality C. load forgiveness D. system robustness

The ACK flag is normally sent at the end of the three-way ______________ to indicate that a connection is established.

Fill in the blank(s) with the appropriate word(s).