IPSec VPN uses an asymmetric encryption algorithm to encrypt the transmitted data

The administrator PC and the USG firewall management interface directly connected using the web the way initialization, which of the following statements are true? (Multiple choice)

What are common hash algorithms? (Choose two.)

Which of the following option does not belong to symmetric encryption algorithm?

Which of the following belongs to the devices at the execution layer in the Huawei SDSec solution? 'Multiple Choice)