阿摩線上測驗
20. A web server hosted on the Internet was recently attacked, exploiting a vulnerability in the operating system. The operating system vendor assisted in the incident investigation and verified the vulnerability was not previously known. What type of attack was this?
(A) Botnet
(B) Zero-day exploit
(C) Denial-of-service
(D) Distributed denial-of-service
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統計： A(0), B(1), C(0), D(0), E(0) #3560409
統計： A(0), B(1), C(0), D(0), E(0) #3560409
