Question 56

Regarding the anti-spam local black and white list, which of the following statements is wrong?
  • Question 57

    Regarding the sequence of the mail transmission process, which of the following is correct?
    1. The sender PC sends the mail to the designated SMTP Server.
    2. The sender SMTP Server encapsulates the mail information in an SMTP message and sends it to the receiver SMTP Server according to the destination address of the mail
    3. The sender SMTP Server encapsulates the mail information in an SMTP message according to the destination address of the mail and sends it to the receiver POP3/MAP Senver
    4. The recipient sends an email.
  • Question 58

    Regarding the Anti-DDoS cloud cleaning solution; which of the following statements is wrong?
  • Question 59

    After the user deploys the firewall anti-virus strategy, there is no need to deploy anti-virus software
  • Question 60

    Regarding worms and viruses, which of the following statements is correct?