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データ発信元認証
data origin authenticationnoun
は、
topic markergrammar
ネットワーク
networknoun
セキュリティ
securitynoun
の
possession, attribution, nominalizer, or nominal linkergrammar
重要
important; essential; significantna-adjective
な
adnominal form of the copula after a na-adjectivegrammar
要素
component; factor; element; element (computing); member (data structure)noun
です。
be; is; arecopula, auxiliary
出洲ですspit of land; sandspit