A post-implementation review has identified that the Voice Over Internet Protocol (VoIP) system was designed to have gratuitous Address Resolution Protocol (ARP) disabled.
Why did the network architect likely design the VoIP system with gratuitous ARP disabled?

Question

A post-implementation review has identified that the Voice Over Internet Protocol (VoIP) system was designed to have gratuitous Address Resolution Protocol (ARP) disabled.

Why did the network architect likely design the VoIP system with gratuitous ARP disabled?

Tsige Tessema · Accepted Answer

Gratuitous ARP requires the risk of a Man-in-the-Middle (MITM) attack.

Tsige Tessema · Answer

Gratuitous ARP requires the use of Virtual Local Area Network (VLAN) 1.

Tsige Tessema · Answer

Gratuitous ARP requires the use of insecure layer 3 protocols.

Tsige Tessema · Answer

Gratuitous ARP requires the likelihood of a successful brute-force attack on the phone.

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