The fields that represent priority in the VLAN (8021Q) data encapsulation are a total of 6 bits.

If you run PIM-SM in a multicast network, you need to build a multicast forwarding tree between the multicast source and the receiver to enable the receiver to receive the multicast effect, so what are the following options for the correct tree sketch for the build?

?? Route ? Policy ??:ip community-filter Ipermit 100: 1 ip as-path-filter 2 permit ^I00$ route-policy test permit node 10 if-match communityfilter 1 if-match as-path-filter 2 apply as-path 200 Is the above configuration description correct?

Two routers, connected together through the serial port, but can not ping between each other , now check the port status as follows: Can the following information determine what the cause is?

One of the things you're doing is compressing the length of ip6 addresses as much as possible .
The existing IP6 address is 2013xX0C130F006009cO87641308, to be able to make this P6 address more concise, you can compress the IP6 address into which of the following?( Single choice questions).