CCNA系列認證CCNA(640-553)單項選擇題每日一練(2019.01.20)

來源：考試資料網(wǎng)

1 Which is the main difference between host-based and network-based intrusion prevention？（）

2 After enabling port security on a Cisco Catalyst switch， what is the default action when the configuredmaximum of allowed MAC addresses value is exceeded？（）

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3 During role-based CLI configuration， what must be enabled before any user views can be created？（）

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4 For the following options， which feature is the foundation of Cisco Self-Defending Network technology？（）

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5 What is the MD5 algorithm used for？（）

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