In BGP, MED is used as a metric value to indicate to external peers the preferred path into this AS. By default, the router compares the MED values of BGP routes from different ASs. The smaller the MED attribute value, the better the BGP route.

Which of the following options are available for the network type supported by the OSPF protocol? (Multiple choice)

Which of the following descriptions about IGMP Snooping are correct? (Multiple choice)

After STA roams in WLAN, if it wants to continue to access the home network, it can set the HAC or HAP as the home agent.

Four routers run IS-IS and have established adjacency relationships. The area numbers and router levels are marked in the figure.

What is the Cost value for R4 to reach 10.0.2.2/32?