A.stubB.transitC.borderD.not-so-stubbyWhich OSPF area t……

单项选择题An OSPF non-backbone area allows external routes to be flooded within the area. These external routes are propagated into the backbone. However, external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe?（）

A.A
B.B
C.C
D.D

单项选择题What is the purpose of the OSPF hello packet?（）

A.A
B.B
C.C
D.D

多项选择题What information do OSPF hello packets contain?（）

A.A
B.B
C.C
D.D
E.E

单项选择题Which RIP configuration command allows the ERX Edge Router to send Unicast updates to configured neighbors?（）

A.neighbor
B.unicast-neighbor
C.triggered-update
D.passive-interface

单项选择题What is the maximum number of equal-cost paths that can be configured for RIP on an ERX Edge Router?（）

A.4
B.8
C.12
D.16