CCNA系列認(rèn)證CCNA(640-553)單項(xiàng)選擇題每日一練(2019.01.19)

來(lái)源：考試資料網(wǎng)

1 Which type of intrusion prevention technology will be primarily used by the Cisco IPS security appliances？（）

2 For the following attempts， which one is to ensure that no one employee becomes a pervasive securitythreat， that data can be recovered from backups， and that information system changes do not compromisea system’s security？（）

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3 In a brute-force attack， what percentage of the keyspace must an attacker generally search through until heor she finds the key that decrypts the data？（）

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

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5 Which protocol will use a LUN as a way to differentiate the individual disk drives that comprise a targetdevice？（）

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