Use Windows Task Manager & Resource Monitor. The easiest way to free up RAM in use is to open Windows Task Manager. Navigate to the Processes tab and then sort the list of open programs by memory. This will reveal any process that's consuming an unusually large volume of RAM.
Answer:
The answer is IP-sec.
Explanation:
0.75 miles of range is a low distance for a WAN (Wide Area Network) so a point-to-point WAN tehcnology such as IP-sec or SD-WAN can be preferred. But the least expensive option would be choosing IP-sec as specified in the question.
I hope this answer helps.
Answer:
In an ordered list, each item is displayed along with the numbers or letters instead of bullets
In an unordered list, each item is displayed with a bullet.

Data science helps to understand and analyse the actual scenario and help to take fruitful decisions.