Which address space can be used by any network client to check the internal functionality of its own TCP/IP network protocol software stack? MCQ with Answer and Explanation
Which address space can be used by any network client to check the internal functionality of its own TCP/IP network protocol software stack?
A. 127.0.0.1
B. 255.255.255.255
C. 0.0.0.0
D. 192.168.1.1
Answer: Option A
Solution (By JKSSB Mock Tests)
127.0.0.1 is the standard loopback address. It lets a device route diagnostic traffic back through its internal software layer without hitting physical network lines.
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