Practice Quiz

CompTIA Network+

Category - Management

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What should you do to ensure that TCP/IP is bound properly to the NIC and the NIC drivers are working properly?
  1. Ping 10.10.10.10
  2. Ping 127.0.0.1
  3. Ping 127.0.0.0
  4. Ping 255.255.255.255
Explanation
Answer: B - To check that TCP/IP is bound to the NIC properly or to check the integrity of the NIC, ping the loopback address, which is 127.0.0.1. This pings the device’s own network adapter as if it were a different system.

Key Takeaway: This is known as the loopback test. 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.
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