In the network shown in the figure below, two switches are connected by four links, COPPER refers to electrical interface, and FIBER refers to optical interface. Which of the following two interfaces can achieve link aggregation?

How to add AP on AC? (Multiple Choice)

The network management workstation manages network equipment through the SNMP protocol. When an abnormality occurs in the managed device, what kind of SHMP message will the network management workstation receive?

Which of the following advantages does the router-on-a-stick approach achieve routing intercommunication between VLANs?

Which of the following descriptions are correct about the concept of IEV architecture? (Multiple choice)