Digital envelope refers to the data obtained after the sender uses the receiver's ______ to encrypt the symmetric key.

Applying for special funds for emergency response and which stage of the work of complete network emergency response do purchasing emergency response software and hardware equipment belong to?

In practical applications, asymmetric encryption is mainly used to encrypt user data.

Which of the following options isL2TPThe port number used by the packet?

The goal of ( ) is to provide a rapid, composed and effective response in emergency situations. Thereby enhancing the ability of a business to recover immediately from a disruptive event. (fill in the blank)