单项选择题

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？（）

A.Roughly 50 percent
B.Roughly 66 percent ActualTests.com
C.Roughly 75 percent
D.Roughly 10 percent

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热门试题

单项选择题

WhichoneoftheCiscoIOScommandscanbeusedtoverifythateithertheCiscoIOSimage，theconfigurationfiles，orbothhavebeenproperlybackedupandsecured？（）

A.show archive
B.show flash
C.show file systems
D.show secure bootset

单项选择题

InanIEEE802.1xdeployment，betweenwhichtwodevicesEAPOLmessagestypicallyaresent？（）

A.Between the supplicant and the authenticator
B.Between the authenticator and the authentication server
C.Between the supplicant and the authentication server
D.Between the RADIUS server and the authenticator