Question

What command would you use to verify that $T C P / I P$ is running successfully on your system? A. arp B. ping 127.0 .0 .1 C. telnet D. NSLOOKUP

     What command would you use to verify that $T C P / I P$ is running successfully on your system?
A. arp
B. ping 127.0 .0 .1
C. telnet
D. NSLOOKUP

CompTIA Network plus Certification Study Guide

CompTIA Network plus Certification Study Guide

Glen Clarke 4th Edition

Chapter 6, Problem 30

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Step 1: Open the command prompt or terminal on your system. Show more…

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What command would you use to verify that $T C P / I P$ is running successfully on your system? A. arp B. ping 127.0 .0 .1 C. telnet D. NSLOOKUP

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Key Concepts

Ping Command

The ping command is a diagnostic tool that sends Internet Control Message Protocol (ICMP) echo request packets to a specified network address and listens for echo reply packets. It is commonly used to verify connectivity to a host, especially by sending requests to the loopback address (127.0.0.1) to test the local networking stack.

Loopback Interface

The loopback interface is a special network interface used by a computer to communicate with itself. The IP address 127.0.0.1 is reserved for this purpose, allowing system administrators to test that the TCP/IP stack of the device is working correctly without sending packets over a physical network.

TCP/IP Protocol Suite

This is the fundamental collection of communication protocols used for interconnecting network devices on the internet and private networks. It includes protocols that determine how data is packetized, addressed, transmitted, routed, and received at the destination, ensuring reliable communication between devices.

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