CCNA系列認(rèn)證CCNA(640-553)單項選擇題每日一練(2019.01.17)

來源：考試資料網(wǎng)

1 Which feature is a potential security weakness of a traditional stateful firewall？（）

2 What will be disabled as a result of the no service password-recovery command？（）

3 A standard access control list has been configured on a router and applied to interface Serial 0 in anoutbound direction. No ACL is applied to Interface Serial 1 on the same router. What will happen whentraffic being filtered by the access list does not match the configured ACL statements for Serial 0？（）

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4 What will be enabled by the scanning technology-The Dynamic Vector Streaming （DVS）？（）

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5 What should be enabled before any user views can be created during role-based CLI configuration ？（）

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