CCNA系列認(rèn)證CCNA(650-568)單項選擇題每日一練(2019.01.20)

來源：考試資料網(wǎng)

1 If you want to reset your configuration back to the factory defaults but keep your logs and reports，Which CLI command should you use？（）

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2 What does the appearance of the ACL tag BLOCK_WBRS in the access log mean？（）

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3 Which statement about the S-Series native FTP proxy is not true？（）

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4 If a web site is blocked because it has a low web reputation score， which of the following iscontained in the un-customized End-User Notification？（）

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5 If authentication is enabled，which statement is true？（）

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