To answer this question, you need to be familiar with the programs that are used to open the Network Connections window in Windows.
Let's go through each option to understand why it is correct or incorrect:
Option A) ncpa.cpl - This option is correct because ncpa.cpl is the program that opens the Network Connections window in Windows.
Option B) ntwconfig.cpl - This option is incorrect because ntwconfig.cpl is not the program that opens the Network Connections window. It is not a valid program.
Option C) conn.cpl - This option is incorrect because conn.cpl is not the program that opens the Network Connections window. It is not a valid program.
Option D) ntwcon.cpl - This option is incorrect because ntwcon.cpl is not the program that opens the Network Connections window. It is not a valid program.
The correct answer is Option A) ncpa.cpl. This option is correct because ncpa.cpl is the program that opens the Network Connections window in Windows.