单项选择题
A.63 B.64 C.1023 D.1024 E.65535
AccordingtoJUNOSsoftwarerouteselectionalgorithm，whichIS...
单项选择题According to JUNOS software route selection algorithm， which IS-IS route type is most preferred？（）
A.Level 1 internal routes B.Level 1 external routes C.Level 2 internal routes D.Level 2 external routes
AnIS-ISrouterisadjacenttoandpassingtrafficwithaneighbor...
单项选择题An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show is interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level（s） is enabled on these interfaces？（）
A.Level 1 only B.Level 2 only C.Level 1 and Level 2 D.Level 3 only
Whichof the following multicastmodedoesAuto-RPrequire？（...
单项选择题Which of the following multicast mode does Auto-RP require？（）
A.Link-mode B.Dense mode C.Sparse mode D.Sparse-dense mode
