单选题BGP route dampening is configured on a BGP router. Whose routing behavior is affected by this configuration?()Aupstream EBGP neighborsBdownstream EBGP neighborsCupstream IBGP neighbors learned by IBGP peersDdownstream IBGP neighbors learned by IBGP peers

单选题
BGP route dampening is configured on a BGP router. Whose routing behavior is affected by this configuration?()
A

upstream EBGP neighbors

B

downstream EBGP neighbors

C

upstream IBGP neighbors learned by IBGP peers

D

downstream IBGP neighbors learned by IBGP peers


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单选题Which types of prefixes will a router running BGP most likely advertise to an IBGP peer, assuming it is not configured as a route reflector? ()A prefixes received from any other BGP peer and prefixes locally originated via network statements or redistributedB all prefixes in its routing tableC prefixes received from EBGP peers and prefixes locally originated via network statements or redistributedD prefixes received from EBGP peers and prefixes received from route reflectorsE prefixes received from other IBGP peers, prefixes received from EBGP peers, and prefixes redistributed to BGPF prefixes received from other IBGP peers and prefixes received from route reflectors

单选题By default, to which peers will a BGP router advertise routes learned from IBGP peers?()Aall BGP peersBall IBGP peersCall EBGP peersDall MBGP peers

多选题Which three conditions can cause BGP n eighbor establishment to fail?()AThe IBGP neighbor is not directly connected.BBGP synchronization is enabled in a transit autonomous system with fully - meshed IBGP neighbors.CThe EBGP neighbor ebgp - multihop option is set to the de fault value.DThe BGP update interval is different between the two BGP neighbors.EThe BGP neighbor is referencing an incorrect autonomous system number in its neighbor statement.FThere is an access list blocking all TCP traffic between the two BGP neighbors.

单选题Which types of prefixes will a router running BGP most likely advertise to an IBGP peer, assuming it is not configured as a route reflector?()Aprefixes received from any other BGP peer and prefixes locally originated via networkstatements or redistributedBall prefixes in its routing tableCprefixes received from EBGP peers and prefixes locally originated via network statements or redistributedDprefixes received from EBGP peers and prefixes received from route reflectorsEprefixes received from other IBGP peers, prefixes received from EBGP peers,and prefixes redistributed to BGPFprefixes received from other IBGP peers and prefixes received from route reflectors

单选题Why should iBGP sessions be fully meshed within a Transit AS?()ABGP requires redundant TCP sessions between iBGP peers.BRoutes learned via eBGP are never propagated to other iBGP peers.CA full mesh allows for optimal routing within the Transit AS.DRoutes learned via iBGP are never propagated to other eBGP peers.ERoutes learned via iBGP are never propagated t o other iBGP peers.

单选题Which types of prefixes will a router running BGP most likely advertise to an IBGP peer, assuming it is notconfigured as a route reflector?()Aprefixes received from any other BGP peer and prefixes locally originated via network statements or redistributedBall prefixes in its routing tableCprefixes received from EBGP peers and prefixes locally originated via network statements or redistributedDprefixes received from EBGP peers and prefixes received from route reflectorsEprefixes received from other IBGP peers, prefixes received from EBGP peers,and prefixes redistributedto BGPFprefixes received from other IBGP peers and prefixes received from route reflectors

多选题Which two statements are true about IBGP neighbor relationships?()AThe BGP split - horizon rule specifies that routes learned via EBGP are never propagated to other IBGP peers.BThe BGP split horizon rule specifies that routes learned via IBGP are never propagated to other IBGP peers.CA full - mesh IBGP requires that neighbor relationships be established between a ll BGP enabled routers in the autonomous system.DIBGP neighbors must be in different autonomous systems.EAn EGP or static routing is required between IBGP neighbors.

单选题When BGP is used as the PE-CE routing protocol, which of these statements is correct?()AOn the CE router, PE neighbors must be configured in the VRF context on the CE routerBOn PE routers, the CE IBGP neighbors are configured in the global BGP configurationCOn PE routers, the CE EBGP neighbors are configured in the VRF contextDA separate BGP process must be used on the PE routers for CE routers so that they do not use the same BGP routing process as that used for the PE router's other provider neighbors

单选题What is the BGP synchronization rule?()ARouting information received through an IBGP session is not forwarded to another IBGP neighbor, onlyto EBGP neighborsBRouting information received through an EBGP session is not forwarded to another EBGP neighbor,only to IBGP neighborsCBGP neighbor peerings are established and sychronized using the TCP 3-way handshakeDBGP shall not advertise a route until that route has been learned via an IGP also

单选题In BGP routing, what does the rule of synchronization mean?()AA BGP router can only advertise an EBGP learned route, provided that the route is an IGP route in the routing table.BA BGP router can only advertise an IBGP learned route, provided that the route is an IGP route in the routing table.CA BGP router can only advertise an IBGP learned route, provided that the route is an IGP route that is not in the routing table.DA BGP router can only advertise an EBGP learned route, provided that the route is a metric of 0 in the BGP table.

单选题Which command displays the IBGP and EBGP neighbors that are configured?()Ashow ip bgp pathsBshow ip bgp peersCshow ip bgpDshow ip bgp summary