关键在待排序的元素序列基本有序的前提下，效率最高的排序方法是 ______。A．直接插入排序B．选择排

A. user@router# set routing-options static route 0.0.0.0/0 next-hop 192.168.100.1

B. user@router# set routing-options default route 0.0.0.0/0 next-hop 192.168.100.1

C. user@router# set forwarding-options static route 0.0.0.0/0 next-hop 192.168.100.1

D. user@router# set protocols default route 0.0.0.0/0 next-hop 192.168.100.1

re R1 so that a default route is generated to its downstream devices (191.0.0.1 and 192.0.0.1). Which commands would create this configuration？ （）

A.router eigrp 190redistribute static ! ip route 0.0.0.0 0.0.0.0 Null0

B.ip default - network 2 0.0.0.0

C.router eigrp 190 redistribute static ! ip route 0.0.0.0 255.255.255.255 Null0

D.ip default - network 20.20.20.0

A．0000.5E00.010a

B．0000.0c07.ac0a

C．0000.0c07.0110

D．000.0cac.070a

A. Lower preference values are more preferred than higher preference values.

B. You can modify the default preference values for any of the routing information sources.

C. By default, a static route is more preferred than a RIP route.

D. A static route is always preferred over a direct route.

A.When manual summarization is configured, the router immediately creates a route that points to null0 interface

B.Manual route summarization is configured in router configuration mode when the router is configured for EIGRP routing

C.Manual route summarization is configured on the interface

D.The ip summary - address eigrp command generates a default route with an administrative distance of 5

E.When manual summarization is configured, the summary route will use the metric of the largest specific metric of the summary routes

F.The ip summary - address eigrp command generates a default route with an administrative distance of 90

A. The route to 10.2.0.0/16 was redistributed into EIGRP.

B. A default route has been redistributed into the EIGRP autonomous system.

C. R1 is configured with the ip summary - address command.

D. R1 is sourcing a n external EIGRP route from Null0.

E. The router at 10.1.1.2 is configured with the ip default - network 0.0.0.0 command.

F. R1 is configured with the variance command.

ise a default route into the Enterprise using EIGRP. The engineer creating the implementation plan has chosen to base this default route on the ip route command, rather than using i p default - network.Which of the following is not a useful step with this style of default route configuration？（）

A. Create the default route on R1 using the ip route 0.0.0.0 0.0.0.0 outgoinginterface command.

B. Redistribute the statically configured defa ult route.

C. Disable auto - summary.

D. Configure the network 0.0.0.0 command.

E. Ensure R1 has no manually configured summary routes using the ip summary- address eigrp command.

A. Apply an export policy to OSPF that exports the default route

B. Apply an import policy to OSPF that imports the default route

C. Apply the default-network command to OSPF

D. Apply the redistribute-igp command to BGP

A. Apply an export policy to OSPF that exports the default route

B. Apply an import policy to OSPF that imports the default route

C. Apply the default-network command to OSPF

D. Apply the redistribute-igp command to BGP

A.The route is rejected.

B.The route is accepted.

C.The route is given a lower priority.

D.The route is sent to the default policy.