https://gongquiz.com/main/pages/search.php?q=%EC%A0%95%EB%B3%B4%EC%B2%98%EB%A6%AC%EA%B8%B0%EB%8A%A5%EC%82%AC+%EC%8B%A4%EA%B8%B0%28%EB%B2%A0%ED%83%80%29
https://gongquiz.com/main/pages/A+%28+++++%29+is+a+network+point+that+acts+as+an+entra.quiz??mode=practice&quizNo=590470&historyNo=reset
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