An OSPF interface has been configured with the bandwidth 64 command. What will be the calculated OSPF cost of this link?（）

多项选择题Which of the following host addresses are members of networks that can be routed across the public Internet?（）

A.10.172.13.65
B.172.16.223.125
C.172.64.12.29
D.192.168.23.252
E.198.234.12.95
F.212.193.48.254

单项选择题Which of the following is true concerning Frame Relay multipoint subinterfaces?（）

A. An IP address is required on the physical interface of the central router.
B. All routers are required to be fully meshed.
C. All routers must be in the same subnet to forward routing updates and broadcasts.
D. Multipoint is the default configuration for Frame Relay subinterfaces.

单项选择题Which command is required to apply an access list on a virtual terminal line of a router?（）

A. Router(config-line)# access-class 10 in
B. Router(config-if)# ip access-class 23 out
C. Router(config-line)# access-group 15 out
D. Router(config-if)# ip access-group 110 in
E. Router(config-line)# access-list 150 in
F. Router(config-if)# ip access-list 128 out

单项选择题Which switch is the root bridge for VLAN 1?（）

A.Sw-DS1
B.Sw-AC1
C.Sw-AC2
D.Sw-AC3

单项选择题Out of which port on Sw-Ac3 would a frame containing an IP packet with a destination address that is not on a local LAN be forwarded?（）

A.Fa0/1
B.Fa0/3
C.Fa0/4
D.Fa0/8
E.Fa0/9
F.Fa0/12