99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項選擇題

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

微信掃碼免費搜題