可以用前面加下列选项中哪一个表达式来设置宏的操作参数（)。A．“…”B．“=”C．“,”D．“:”

A.It provides dynamic neighbor discovery.

B.It detects unreachable neighbors in 90 second intervals.

C.It maintains neighbor relationships.

D.It negotiates correctness parameters between neighboring interfaces.

E.Ituses timers to elect the router with the fastest links as the designated router.

F.It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF.

A.show ip ospf route

B.show ip route protocol ospf

C.show route protocol ospf

D.show ospf table

A. It does not scale well

B. It converges slower than OSPF

C. It is a proprietary protocol

D. It is a distance vector protocol

A．IGP

B．OSPF

C．BGP

D．RIP

A．ICMP

B． BFD

C． UDP

D． MPLS

A．IS-IS

B．BGP

C．EIGRP

D．OSPF

A．RIP

B．BGP

C．OSPF

D．EIGRP

A. RTA will not establish an OSPF adjacency w ith RTB

B. RTA will send OSPF hello packets, but will not send OSPF updates

C. RTA will not accept OSPF hello packets from RTB

D. RTA will send OSPF updates, but will not establish an adjacency with RTB

tocol operation, the foll owing routing requirements have been specified for your network.- partial and incremental routing updates-only the devices affected by a topology change perform route recomputation- route recomputation only occurs for routes that were affectedWhich dynamic routing protocol should be deployed in your network to best meet these requirements？（）

A. BGP

B. OSPF

C. IS - IS

D. EIGRP

E. RIPv2