What are two advantages of BGP route aggregation?（） (Choose two.)A、It can reduce routing table size.B、It allows for optimal route selection.C、It can reduce the number of routing updates.D、It always shortens the attribute list for the aggregated route.
What are two advantages of BGP route aggregation?（） (Choose two.)
- A、It can reduce routing table size.
- B、It allows for optimal route selection.
- C、It can reduce the number of routing updates.
- D、It always shortens the attribute list for the aggregated route.
相关考题：
You are modifying the default route preference under the [edit protocols] hierarchy. In which two routing information sources can you change the default preference value?() A. localB. OSPFC. directD. BGP
What are two advantages to customers with L2 MPLS VPNs? ()(Choose two.) A. Service provider has routing control.B. Customers control their own routing.C. Can communicate protocols other than IP.D. Allows them to use separate networks for IP and VPN traffic.
You receive an EBGP route configured with the no－export community set.To which types of peers can you send this route?() (Choose two.) A. no BGP peersB. all I-BGP peersC. all E-BGP peers within your global ASD. all E-BGP peers outside your global AS
What are two uses of the AS Path attribute?() (Choose two.) A. route selectionB. loop avoidanceC. determining equal cost paths for reachabliltyD. defining the application of other BGP attributes
What are two advantages of BGP route aggregation?() (Choose two.) A. It can reduce routing table size.B. It allows for optimal route selection.C. It can reduce the number of routing updates.D. It always shortens the attribute list for the aggregated route.
When you display the routing table by entering the show route command, what does the* indicate?() A.The route is a direct route.B.The route was selected as active.C.The route is a default route.D.The route was learned using a dynamic routing protocol.
You are moddifying the default route preference under the [edit protocols] hierarchy. In which two routing information sources can you change the default preference value?() A.localB.OSPFC.directD.BGP
PassGuide has a BGP network and a BGP route of 197.22.129.0/24 that should be propagated to all of the devices. The route is currently not in any of the routing tables. The PassGuide administrator determines that an access list is the cause of the problem. The administrator changes the access list to allow this route, but the route still doesnot appear in any of the routing tables. What should be done to propagate this route（）A.Use the service-policy command to adjust the QOS policy to allow the route to propagate.B.Clear the BGP session.C.Use the release BGP routing command.D.Change both the inbound and outbound policy related to this route.E.None of the other alternatives apply
Which statements are true about EIGRP successor routes (Choose two.)()。 A.A successor route is used by EIGRP to forward traffic to a destination.B.Successor routes are saved in the topology table to be used if the primary route fails.C.Successor routes are flagged as active in the routing table.D.A successor route may be backed up by a feasible successor route.E.Successor routes are stored in the neighbor table following the discovery process.
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.
A company has a BGP network and a BGP route of 196.27.125.0/24 that should be propagated toall of the devices. The route is not now in any of the routing tables. The administrator determinesthat an access list is the cause of the problem. The administrator changes the access list to allowthis route， but the route still does not appear in any of the routing tables. What should be done topropagate this route？（）A、Clear the BGP sessionB、Change both the inbound and outbound policy related to this routeC、Use the service-policy command to adjust the QOS policy to allow the route to propagateD、Use the release BGP routing command
When you display the routing table by entering the show route command, what does the* indicate?（）A、The route is a direct route.B、The route was selected as active.C、The route is a default route.D、The route was learned using a dynamic routing protocol.
An ISP is running a large IBPG network with 25 routers. The full mesh topology that is currently inplace is inefficiently using up bandwidth from all of the BGP traffic. What can the administratorconfigure to reduce the number of BGP neighbor relationships within the AS？（）A、Route reflectorsB、Route mapsC、Route redistributionD、Peer groupsE、Aggregate addresses
Which statements about the Route Target Rewrite feature are not true？ （）A、After the route target replacement policy is applied to the target router， the BGP session need not be refreshed manually to put the policy into operation.B、Route Target Rewrite allows the administration of the routing policy to stay local to the AS.C、Route target replacement is always done by the ASBR.D、Route target rewrites are supported for VRF export maps.E、Route target replacement can be done on incoming and outgoing BGP updates.
The Cisco SDM can configure most， but not all， routing protocols. Which two of these routing protocols can be configured using SDM？ （Choose two.）（）A、 BGPB、 IGRPC、 ISISD、 OSPFE、 EIGRP
What are two reasons why a route might be hidden?（）A、route preferenceB、routing loopC、invalid next hopD、routing policy
You are modifying the default route preference under the [edit protocols] hierarchy. In which two routing information sources can you change the default preference value?（）A、localB、OSPFC、directD、BGP
You receive an EBGP route configured with the no-export community set.To which types of peers can you send this route?（） (Choose two.)A、no BGP peersB、all I-BGP peersC、all E-BGP peers within your global ASD、all E-BGP peers outside your global AS
What are two uses of the AS Path attribute?（） (Choose two.)A、route selectionB、loop avoidanceC、determining equal cost paths for reachabliltyD、defining the application of other BGP attributes
Which two statements are true regarding route preference?（）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.
多选题Refer to the exhibit. Which two statements are correct？ （Choose two.）（）AAll six routes will be installed in the routing table.BTwo routes will be installed in the routing table.CFour routes will be installed in the routing table.DAll the routes were redistributed into BGP from an IGP.EAll the routes were originated by BGP with the network command.
单选题PassGuide has a BGP network and a BGP route of 197.22.129.0/24 that should be propagated to all of the devices. The route is currently not in any of the routing tables. The PassGuide administrator determines that an access list is the cause of the problem. The administrator changes the access list to allow this route, but the route still doesnot appear in any of the routing tables. What should be done to propagate this route（）AUse the service-policy command to adjust the QOS policy to allow the route to propagate.BClear the BGP session.CUse the release BGP routing command.DChange both the inbound and outbound policy related to this route.ENone of the other alternatives apply
多选题Which two statements are true regarding route preference?（）ALower preference values are more preferred than higher preference values.BYou can modify the default preference values for any of the routing information sources.CBy default, a static route is more preferred than a RIP route.DA static route is always preferred over a direct route.
多选题The Cisco SDM can configure most， but not all， routing protocols. Which two of these routing protocols can be configured using SDM？ （Choose two.）（）ABGPBIGRPCISISDOSPFEEIGRP
多选题Which statements about the Route Target Rewrite feature are not true？ （）AAfter the route target replacement policy is applied to the target router， the BGP session need not be refreshed manually to put the policy into operation.BRoute Target Rewrite allows the administration of the routing policy to stay local to the AS.CRoute target replacement is always done by the ASBR.DRoute target rewrites are supported for VRF export maps.ERoute target replacement can be done on incoming and outgoing BGP updates.
多选题What are two advantages of BGP route aggregation?（） (Choose two.)AIt can reduce routing table size.BIt allows for optimal route selection.CIt can reduce the number of routing updates.DIt always shortens the attribute list for the aggregated route.
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.