When content of a cell is rotated or angled, the row height is automatically increased

Write a short C++ program to read positive integers, until the value -1 is read and print the sum of the values.

What will be an ideal response?

In which layer are notions of network location addressed and the intricacies of directing a PDU from sender to receiver handled?

A. Data Link layer B. Application layer C. Network layer D. Transport layer