What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network in the show ip bgp command output？（）

单项选择题Refer to the exhibit. EIGRP has been configured on all routers in the network. What additional configuration statement should be included on router R4 to advertise a default route to its neighbors？（）

A.R4（config）# ip default-network 10.0.0.0
B.R4（config）# ip route 0.0.0.0 0.0.0.0 10.1.1.1
C.R4（config）# ip route 10.0.0.0 255.0.0.0 10.1.1.1
D.R4（config-router）# default-information originate

多项选择题Refer to the exhibit. Which three statements accurately describe the result of applying the exhibited route map？（）

A.The map prohibits the redistribution of all type 2 external OSPF routes with tag 6 set
B.The map prohibits the redistribution of all type 2 external OSPF routes
C.The map redistributes into EIGRP all routes that match the pfx prefix list and the five metric values40000， 1000， 255， 1， and 1500
D.The map prohibits the redistribution of all external OSPF routes with tag 6 set
E.All routes that do no match clauses 10 and 20 of the route map are redistributed with their tags set to 8
F.The map permits the redistribution of all type 1 external OSPF routes

单项选择题IfametricisnotspecifiedforroutesthatareredistributedintoOSPF，thedefaultmetricthatisassignedtotheroutesis20，exceptforredistributedBGProutes.WhatisthemetricthatisassignedtoredistributedBGProutes？（）

A.0
B.1
C.10
D.200

单项选择题IfnometricisspecifiedfortheroutesbeingredistributedintoIS-IS，whatmetricvalueisassignedtotheroutes？（）

A.0
B.1
C.10
D.20

单项选择题Refer to the exhibit. Which statement is true about the 6.6.6.0 24 prefix？（）

A.If another path advertises the 6.6.6.0/24 path and has the default local preference， that path is more preferred
B.The command neighbor send-community is configured on BGP neighbor 10.10.23.3
C.The route 10.10.23.3 is not being advertised to other BGP neighbors
D.Route 6.6.6.0/24 is learned by an IBGP peer