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CompTIA Network+

Category - Concepts

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What protocol does the ping utility use?

SMTP
ICMP
ICP
SNMP

Explanation

Answer: B - ICMP is the protocol used by ping.
Key Takeaway: ICMP, or Internet Control Message Protocol, is used by ping and many other utilities to help troubleshoot network issues. One must demonstrate a little caution with ICMP, because sometimes it can be used for network attacks.

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