The administrator configured file filtering to prohibit internal employees from uploading development files, but internal employees can still upload development files. Which of the following is not possible?

About firewalls and IDS, which of the following is true?

UDP is a connectionless protocol. A large number of UDP flood attacks cause the performance of network devices that rely on session forwarding to be degraded and even the session table is exhausted, causing network congestion.
Which of the following options does not prevent UDP flood attacks?

Which of the following is correct regarding the order of the mail transfer process?
1. The sending PC sends the mail to the specified SMTP server.
2. The sender SMTP Server encapsulates the mail information in the SMTP message and sends it to the receiver SMTP according to the destination address of the mail.
Server.
3. The sender SMTP Server encapsulates the mail information in the SMTP message and sends it to the receiver POP3/MAP Server based on the destination address of the mail.
4. Recipients send emails.

Which of the following are the common causes of IPS detection failures? (Multiple choices)