Comprehensive and Detailed In-Depth Explanation:
The statementAis incorrect because enablingDHCP snooping in the VLAN viewonly takes effect on interfaces within that specific VLAN that have DHCP snooping configured. It doesnot automatically apply to all interfaces of the device. Each interface within the VLAN must individually be configured or marked as trusted/untrusted.
B:Correct, as DHCP snooping, when enabled globally without any additional specifications, defaults to processingDHCPv4messages.
C:Correct, as DHCP snooping can protect against DHCP spoofing attacks by marking interfaces astrustedoruntrusted.
D:Correct, enabling DHCP snooping on an interface means it will monitor all DHCP messages on that specific interface.
[Reference:, Huawei HCIE Datacom Official Certification Guide, Huawei DHCP Snooping Configuration Guide, ===========, ]
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