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What is BGP synchronization？
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考题
During OSPF adjacency formation, in what state is a router when it is negotiating to be in charge of the database synchronization process?()
A. InitB. 2WayC. ExStartD. Exchange
考题
What is the most likely reason that an IBGP route that has been selected as a best route is not entered into the IP routing table?（）A、Route reflectors are not passing updates properly.B、BGP synchronization has been enabled.C、The next-hop address is unreachable.D、No loopback interface has been configured on a router.
考题
Which option is true regarding the synchronization rule ?（）A、Do not use or internally advertise a route until the route is lear ned from a source other than BGP.B、Do not use or advertise a route until the route is learned from a BGP peer.C、Do not use or advertise routes marked PARTIAL.D、Wait until a CONFIRM message is received before using routes from BGP neighbors.
考题
What best explains the BGP route-reflector function？（）A、BGP route-reflector should be in forwarding path of data coming from its clientsB、BGP route-reflector does not have to be in the forwarding path of data coming from its clientsC、BGP route-reflector will stop reflecting the routes if they’re not directly-connected clientsD、None of the above
考题
In BGP routing，what does the rule of synchronization mean？（）A、A BGP router can only advertise an EBGP learned route，provided that the route is an IGP route in the routing table.B、A BGP router can only advertise an IBGP learned route，provided that the route is an IGP route in the routing table.C、A BGP router can only advertise an IBGP learned route，provided that the route is an IGP route that is not in the routing table.D、A BGP router can only advertise an EBGP learned route，provided that the route is a metric of 0 in the BGP table.
考题
During OSPF adjacency formation, in what state is a router when it is negotiating to be in charge of the database synchronization process?（）A、InitB、2WayC、ExStartD、Exchange
考题
What are two default routing policies on Junos devices?（）A、The BGP import policy accepts all BGP routes.B、The BGP export policy rejects all active BGP routes.C、The OSPF import policy accepts all OSPF routes.D、The OSPF export policy accepts all active OSPF routes.
考题
What is the default export routing policy for EBGP?（）A、Accept all active BGP routes.B、Accept all BGP routes.C、Accept no routes.D、Accept all active IGP routes.
考题
Which three conditions can cause BGP n eighbor establishment to fail?（）A、The IBGP neighbor is not directly connected.B、BGP synchronization is enabled in a transit autonomous system with fully - meshed IBGP neighbors.C、The EBGP neighbor ebgp - multihop option is set to the de fault value.D、The BGP update interval is different between the two BGP neighbors.E、The BGP neighbor is referencing an incorrect autonomous system number in its neighbor statement.F、There is an access list blocking all TCP traffic between the two BGP neighbors.
考题
What is the BGP synchronization rule？（）A、Routing information received through an IBGP session is not forwarded to another IBGP neighbor， onlyto EBGP neighborsB、Routing information received through an EBGP session is not forwarded to another EBGP neighbor，only to IBGP neighborsC、BGP neighbor peerings are established and sychronized using the TCP 3-way handshakeD、BGP shall not advertise a route until that route has been learned via an IGP also
考题
During BGP configuration on a router that has peered with other BGP speakers, the BGP command aggregate-a ddress 172.32.0.0 255.255.252.0 is issued. However, the peers do not receive this aggregate network in BGP advertisements. Also, the router does not have this aggregate network in its BGP table. Which option indicates a possible reason this command did not cause the router to advertise the aggregate network to its peers?（）A、Interface NULL 0 is likely shutdown.B、The next hop IP address must be a loopback address.C、The BGP command no auto - summary is missing.D、The BGP command no synchronization is missing.E、Subnets of 172.32.0.0/22 do not exist in the BGP table.F、The IGP running on this router does not have network 172.32.0.0/22 installed.
考题
By default what is the interval for synchronization of the wallet with the IMS Server？（）A、once a dayB、once a weekC、every minuteD、every 30 minutes
考题
A BGP router is configured with bgp dampening 8 300 1500 20 route-map 1 .What does the value of 20 represent?（）A、reuseB、suppressC、half-lifeD、max-suppress-time
考题
单选题In BGP routing，what does the rule of synchronization mean？（）A
A BGP router can only advertise an EBGP learned route，provided that the route is an IGP route in the routing table.B
A BGP router can only advertise an IBGP learned route，provided that the route is an IGP route in the routing table.C
A BGP router can only advertise an IBGP learned route，provided that the route is an IGP route that is not in the routing table.D
A BGP router can only advertise an EBGP learned route，provided that the route is a metric of 0 in the BGP table.
考题
单选题During OSPF adjacency formation, in what state is a router when it is negotiating to be in charge of the database synchronization process?（）A
InitB
2WayC
ExStartD
Exchange
考题
单选题What is the default export routing policy for EBGP?（）A
Accept all active BGP routesB
Accept all BGP routesC
Accept no routesD
Accept all active IGP routes
考题
多选题What are two default routing policies on Junos devices?（）AThe BGP import policy accepts all BGP routes.BThe BGP export policy rejects all active BGP routes.CThe OSPF import policy accepts all OSPF routes.DThe OSPF export policy accepts all active OSPF routes.
考题
单选题What is the BGP synchronization rule？（）A
Routing information received through an IBGP session is not forwarded to another IBGP neighbor， onlyto EBGP neighborsB
Routing information received through an EBGP session is not forwarded to another EBGP neighbor，only to IBGP neighborsC
BGP neighbor peerings are established and sychronized using the TCP 3-way handshakeD
BGP shall not advertise a route until that route has been learned via an IGP also
考题
单选题What setting in JUNOS software forces a bgp speaker to wait for a bgp neighbor to initiate a bgp session？（）A
waitB
holdC
passiveD
authenticate
考题
单选题A BGP router is configured with bgp dampening 8 300 1500 20 route-map 1 .What does the value of 20 represent?（）A
reuseB
suppressC
half-lifeD
max-suppress-time
考题
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.
考题
问答题What 2 methods are available for overcoming the BGP full mesh requirement？
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