多选题Which statements are true concerning NAT？ （）ANAT provides 1 to manyaddress mapping.BNAT provides 1 to 1 address mapping.CNAT is only useful forTCP/UDP and ICMP traffic.DNAT can be used for all IP traffic.
多选题
Which statements are true concerning NAT？ （）
A
NAT provides 1 to manyaddress mapping.
B
NAT provides 1 to 1 address mapping.
C
NAT is only useful forTCP/UDP and ICMP traffic.
D
NAT can be used for all IP traffic.
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