May, 2017. New blackmail virus WannaCry burst globally. This virus leveraged Windows OS opened port 445 to initiate the attack, so the quickest way to prevent this kind of attack is?

Apart from technical approaches, the proper data security management rules can be applied in daily operations to lower the risk of information leakage. Which of the following risks can be mitigated setting a strong data security management policy for company's employees?
Score 2

Which of the following scenarios should be handled by anti-DDOS service? (the number of correct answers: 3)

What of the followings will happen if encounter DoS or DDoS attack?

Which of the following options does not belong to 5 key elements of network communication?