106 views
Which utility would we use to test all $7$ OSI layers?
1. Ping
2. Trace route
3. Telnet
4. Show ARP
asked | 106 views

Telnet is an application layer protocol. Which means it passes all the seven layer of the sender's machine while going toward the receiver and passes all seven layer of the receiver's machine.
answered by Boss (19.2k points)
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why not ping ?
+2
ping only travels till network layer.Ping is program that implements icmp request and reply
+1

The ping utility is commonly used to check for network errors.

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