There are many different types of risks in the network. According to the TCP/IP protocol stack, please match the risk type with each layer of the TCP/IP protocol stack.

In RSTP, many optional protection functions are set to prevent the Layer 2 network from being invaded by malicious users.
So which of the following descriptions about TC-BPDU functions are correct? (Multiple choice)

Which of the following does the basic framework of the SSH protocol not include?

A BGP router can send incremental BGP routing updates or perform periodic updates.

The MQC traffic behavior supports multiple actions on messages. Please match the actions of the following MQC traffic behaviors with their functions.