In JUNOS software, which type of VPN supports IPX and A……

单项选择题What is true when designing OSPF import routing policy in JUNOS software?（）

A. Import policies are not possible.
B. Import policies only match on external routes.
C. Import policies only match on internal routes.
D. Import policies can cause inconsistent link state databases.

单项选择题Within IS-IS, the restart helper performs which task?（）

A. It sends CSNPs to the restarting router.
B. It periodically sends TLV 211 to the restarting router.
C. It informs other routers in the domain that a router has restarted.
D. It tears down adjacency and sends its entire database after 30 seconds.

单项选择题How many OSPF authentication types can be configured on a subinterface using JUNOS software?（）

A.0
B.1
C.2
D.3

单项选择题What is the function of the Type 4 LSA?（）

A. Advertise cost to the ABR.
B. Summarize external routes.
C. Advertise cost to the ASBR.
D. Report a broadcast segment's DR

单项选择题TLVs can be carried in what type of IS-IS PDU?（）

A. LSPs only
B. All PDU types
C. CSNPs and LSPs
D. PSNPs and CSNPs