考题
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
考题
Which two statements describe the default routing policy for BGP?()
A.Advertise only locally originated routes.B.Accept all BGP routes and import into inet.0.C.Advertise all active BGP routes.D.Advertise only EBGP routes.
考题
Refer to the exhibit. Which of the following statements is true? ()
A. BGP NSF awareness is enabledB. SSO for BGP NSF capability is enabledC. BGP graceful restart awareness is enabledD. 10.11.1.187 is configured as an NSF-capable BGP neighbor
考题
Which one of the following statements about BGP is FALSE?()
A. BGP uses TCP port 179.B. BGP ensures reliability of updates by using the reliable transport services of TCP.C. The network command with the mask option never insta lls a prefix into the BGP table unless there is a matching prefix exists in the IP route table.D. A TCP connection is required before exchanging updates.E. BGPuses notification and the update messages to establish and maintain the BGP neighbor relati onship.
考题
Based on the show ip bgp summary output, which two statements are true?()
A. The BGP session to the 10.3.3.3 neighbor is established, but the router has not received any BGP routing updates from the 10.3.3.3 neighbor.B. The router is attempting to establish a BGP peering session with the 10.2.2.2 neighbor.C. The router is attempting to establish a BGP peering session with the 10.1.1.1 neighbor.D. The BGP session to the 10.3.3.3 neighbor is established.E. The BGP session to the 10.2.2.2 neighbor is established.F. The BGP session to the 10.1.1.1 neighbor is established.
考题
Refer to the exhibit. Which two statements are true about the partial configuration that is provided.()
A. The peer group shortens the EBGP configurationB. The peer group shortens the IBGP configurationC. All the configured neighbors are in autonomous system 100D. Three AS - path filters are applied to each BGP neighborE. Only the outgoing filters are applied to BGP updates
考题
Which two statements are true about Unicast Reverse Path Forwarding Loose Mode?()A、It is used in multihome network scenarios.B、It can be used with BGP to mitigate DoS and DDoS.C、It does not need to have CEF enabled.D、It is enabled via the interface level command ip verify unicast reverse-path.E、It cannot be used with "classification" access lists.
考题
Which of the following commands can be used to gather information about the AS-PATH of a BGProute? (Choose all that apply.)()A、show ip bgp neighborsB、debug ip bgp updatesC、show ip route bgpD、show ip bgpE、show ip bgp summaryF、sh ip bgp database
考题
Which one of the following statements about BGP is FALSE?()A、BGP uses TCP port 179.B、BGP ensures reliability of updates by using the reliable transport services of TCP.C、The network command with the mask option never insta lls a prefix into the BGP table unless there is a matching prefix exists in the IP route table.D、A TCP connection is required before exchanging updates.E、BGPuses notification and the update messages to establish and maintain the BGP neighbor relati onship.
考题
Which two options does Cisco PfR use to control the entrance link selection with inbound optimization?()A、Prepend extra AS hops to the BGP prefix.B、Advertise more specific BGP prefixes(longer mask).C、Add(prepend)one or more communities to the prefix that is advertised by BGP.D、Have BGP dampen the prefix.
考题
Which three statements about the route target (RT) are true? ()A、The RT is a BGP extended community.B、The RT is an 8-byte field that is prefixed to an IPv4 address to make it a unique VPNv4 address.C、When a VPN route that is learned from a CE router is injected into BGP, one or more RTs are associated with itD、The distribution of VPN routing information is controlled through the use of VPN RTsE、When a VPN route that is learned from a CE router is injected into BGP, there is always one RT that is associated with it.
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
Which three statements about anycast RP are true? ()A、MSDP is running between anycast RPsB、Anycast RP provides redundancy and load-sharing capabilitiesC、Multicast BGP is running between anycast RPsD、In anycast RP,two or more RPs are configured with the same multicast IP address on loopback interfacesE、In anycast RP,two or more RPs are configured with the same unicast IP address on loopback interfaces
考题
Which three statements about BGP confederation and route reflectors are true? ()A、Clusters are used in confederation schemes to avoid loops.B、BGP network can have a confederation within a route reflector area.C、An internal BGP network cannot have a route reflector within a confederation.D、An internal BGP network can have a route reflector within a confederation.E、Clusters are used in route reflector schemes to avoid loops.F、BGP network cannot have a confederation within a route reflector area.
考题
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
考题
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.
考题
多选题Which two statements about route redistribution when implementing OSPF are true?()ARoutes learned using any IP routing protocol can only be redistributed into non IP routing protocols.BOSPF can import routes learned using EIGRP, RIP, and IS - IS.COSPF routes cannot be exported into EIGRP, RIP, an d IS - IS.DAt the interdomain level, OSPF cannot import routes learned using BGP.EOSPF routes can be exported into BGP.
考题
多选题Which of the following commands can be used to gather information about the AS-PATH of a BGProute? (Choose all that apply.)()Ashow ip bgp neighborsBdebug ip bgp updatesCshow ip route bgpDshow ip bgpEshow ip bgp summaryFsh ip bgp database
考题
单选题Which one of the following statements about BGP is FALSE?()A
BGP uses TCP port 179.B
BGP ensures reliability of updates by using the reliable transport services of TCP.C
The network command with the mask option never insta lls a prefix into the BGP table unless there is a matching prefix exists in the IP route table.D
A TCP connection is required before exchanging updates.E
BGPuses notification and the update messages to establish and maintain the BGP neighbor relati onship.
考题
多选题Refer to the exhibit. Which two statements are correct?()AAll six routes will be installed in the routing tableBTwo routes will be installed in the routing tableCFour routes will be installed in the routing tableDAll the routes were redistributed into BGP from an IGPEAll the routes were originated by BGP with the network command
考题
多选题Which two statements describe the default routing policy for BGP?()AAdvertise only locally originated routes.BAccept all BGP routes and import into inet.0.CAdvertise all active BGP routes.DAdvertise only EBGP routes.
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多选题Which two statements are true regarding EBGP and Confederation BGP?() (Choose two.)AEBGP peers advertise MED and change Next Hop.BEBGP peers advertise Local Preference and do NOT change Next Hop.CConfederation BGP peers advertise MED and do NOT change Next Hop.DConfederation BGP peers advertise Local Preference and change Next Hop.
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多选题Which two BGP attributes support route reflection?()AClient IDBCluster listCOriginator IDDReflection community
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多选题Which two statements about SA caching are true?()ACaching allows pacing of MSDP messages.BCaching reduces join latency.CCaching should not be done by an MSDP speaker.DCaching is used to update the BGP MDT address family.
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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.
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
多选题Which two statements are true about Unicast Reverse Path Forwarding Loose Mode?()AIt is used in multihome network scenarios.BIt can be used with BGP to mitigate DoS and DDoS.CIt does not need to have CEF enabled.DIt is enabled via the interface level command ip verify unicast reverse-path.EIt cannot be used with classification access lists.