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CompTIA 220-801 Certification Practice Test

Category - Essentials

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What should you do to check your local TCP/IP connection?

Ping 10.10.10.10
Ping 127.0.0.1
Ping 127.0.0.0
Ping 255.255.255.255

Explanation

Answer - B - A successful ping request to 127.0.0.1 will verify that a computer's network interface card, its drivers, and the operating system's TCP/IP implementation are all functioning correctly.

Key Takeaway: This is known as the loopback test.

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