Which of the following three BGP filtering methods enabled with the neighbor command will filter BGP prefixes based on the prefix and prefix length?() A. A neighbor distribute - list out command, referencing a standard ACLB. A neighbor prefix - list out commandC. A neighbor filter - list out commandD. A neighbor distribute - list out command, referencing an extended ACLE. A neighbor route - map out command
Which of the following three BGP filtering methods enabled with the neighbor command will filter BGP prefixes based on the prefix and prefix length?()
A. A neighbor distribute - list out command, referencing a standard ACL
B. A neighbor prefix - list out command
C. A neighbor filter - list out command
D. A neighbor distribute - list out command, referencing an extended ACL
E. A neighbor route - map out command
相关考题：
The Origin attribute describes the source of the BGP prefix.Which three are valid Origin codes?() (Choose three.) A.IGPB.BGPC.EGPD.IncompleteE.Anonymous
A router is running BGP and receives more than one route for a particular prefix. Assume all the routes for this prefix have the same attributes.Which three path features would be reasons be for the rou ter to ignore some of the routes and not consider them as candidates for the best path?（）A. paths from an internal BGP (iBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHB. paths for which the NEXT_HOP is inaccess ibleC. paths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHD. paths for which the NEXT_HOP is accessibleE. paths that are marked as synchronized in the show ip bgp outputF. paths that are marked as not synchronized in the show ip bgp output
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.
Refer to the exhibit. Which statement is true about the 6.6.6.0／24 prefix?() A. The command neighbor send -community is configured on BGP neighbor 10.10.23.3.B. If another path advertises the 6.6.6.0/24 path and has the default local preference, that path is more preferred.C. Route 6.6.6.0/24 is learned by an IBGP peer.D. The route 10.10.23.3 is not being advertised to other BGP neighbors.
在MP-BGP的更新中，包含下列哪些信息（）。A、VPNv4 prefix，RT，MPLSVPN label以及所有强制的BGP属性B、VPNv4 prefix，MPLSVPN labelC、VPNv4 prefix，RT以及所有强制的BGP属性D、VPNv4 prefix，全局BGP prefix以及所有强制的BGP属性
Which of the following answers is most true about the BGP Update message?（）A、It lists a set of path attributes, along with a list of prefixes that use those PAsB、It lists a prefix/length, plus the PA settings for that prefixC、It lists withdrawn routes, but never in the same Update message as newly advertised routesD、A single Update message lists at most a single prefix/lengtH
Which BGP community is used to prevent the advertisement of the BGP prefix to other BGP peers？（）A、additiveB、noneC、no-exportD、no-advertiseE、local-as
Which of the following three BGP filtering methods enabled with the neighbor command will filter BGP prefixes based on the prefix and prefix length？（）A、A neighbor distribute - list out command, referencing a standard ACLB、A neighbor prefix - list out commandC、A neighbor filter - list out commandD、A neighbor distribute - list out command, referencing an extended ACLE、A neighbor route - map out command
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.
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.
A BGP router is configured as shown below： interface ethernet 0 ip address 10.10.10.1 255.255.0.0! int serial 0 ip address 172.16.1.1 255.255.255.252! router bgp 65001 neighbor 192.168.1.1 remote-as 65002 Based on the above configuration， which of the following BGP statements would inject the10.10.0.0/16 prefix into the BGP routing table？（）A、network 10.0.0.0B、network 10.10.0.0 mask 255.255.0.0C、network 10.10.10.1 mask 255.255.255.255D、network 10.10.10.0 mask 255.255.255.0E、network 10.0.0.0 mask 255.255.0.0
Which three options are valid ways to filter routes from a BGP peer？（）A、filter-listB、inbound ACLC、route-mapD、outbound ACLE、prefix-listF、neighbor 10.0.0.1 deny-map my-map command
The following output was taken from the show ip bgp command on Router R2. In this case, which of the following commands are most likely to already be configured on R2?（） BGP router identifier 11.11.11.11, local AS number 11 ... Neighbor V AS Ms gRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 1.1.1.1 4 1 87 87 0 0 0 00:00:06 Idle (Admin) 2.2.2.2 4 3 173 183 41 0 0 00:58:47A、router bgp 11B、neighbor 1.1.1.1 remote- as 11C、neighbor 2.2.2.2 prefix - limit 1D、neighbor 1.1.1.1 shutdown
A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table ona Company router named R1. The following information is available from this router： R1 Configuration： router bgp 65001 network 10.0.0.0 neighbor 172.16.1.1 remote-as 65002 no auto-summary Routing table information： show ip route | include 10 O 10.10.10.0/24 [110/11] via 192.168.1.1， 2d00h， Ethernet0/0 Why is this prefix not in the local BGP table of the R1？（）A、The 172.16.1.1 neighbor is down.B、The prefix 10.10.10.0/24 is not a ’connected’ routeC、This route is not a BGP learned routeD、The network command is wrongE、None of the other alternatives apply
R1 is currently advertising prefixes 1.0.0.0/8, 2.0.0.0/8, and 3.0.0.0/8 over its eBGP connection to neighbor 2.2.2.2 (R2). An engineer configures a prefix list (fred) on R1 that permits only 2.0.0.0/8 and then enables the filter with the neighbor R2 prefix- list fred out command. Upon exiting configuration mode, the engineer uses some show commands on R1, but no other commands. Which of the following is true in this case?（）A、The show ip bgp neighbor 2 .2.2.2 received -routes command lists the three original prefixes.B、The show ip bgp neighbor 2.2.2.2 advertised - routes command lists the three original prefixes.C、The show ip bgp neighbor 2.2.2.2 routes command lists the three original prefixes.D、T he show ip bgp neighbor 2.2.2.2 routes command lists only 2.0.0.0/8.E、The show ip bgp neighbor 2.2.2.2 advertised - routes command lists only 2.0.0.0/8.
The Origin attribute describes the source of the BGP prefix. Which three are valid Origin codes?（） (Choose three.)A、IGPB、BGPC、EGPD、IncompleteE、Anonymous
单选题Which one of the following statements about BGP is FALSE?（）ABGP uses TCP port 179.BBGP ensures reliability of updates by using the reliable transport services of TCP.CThe 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.DA TCP connection is required before exchanging updates.EBGPuses notification and the update messages to establish and maintain the BGP neighbor relati onship.
单选题Which BGP community is used to prevent the advertisement of the BGP prefix to other BGP peers？（）AadditiveBnoneCno-exportDno-advertiseElocal-as
多选题Which of the following three BGP filtering methods enabled with the neighbor command will filter BGP prefixes based on the prefix and prefix length？（）AA neighbor distribute - list out command, referencing a standard ACLBA neighbor prefix - list out commandCA neighbor filter - list out commandDA neighbor distribute - list out command, referencing an extended ACLEA neighbor route - map out command
多选题The Origin attribute describes the source of the BGP prefix. Which three are valid Origin codes?（） (Choose three.)AIGPBBGPCEGPDIncompleteEAnonymous
单选题R1 is currently advertising prefixes 1.0.0.0/8, 2.0.0.0/8, and 3.0.0.0/8 over its eBGP connection to neighbor 2.2.2.2 (R2). An engineer configures a prefix list (fred) on R1 that permits only 2.0.0.0/8 and then enables the filter with the neighbor R2 prefix- list fred out command. Upon exiting configuration mode, the engineer uses some show commands on R1, but no other commands. Which of the following is true in this case?（）AThe show ip bgp neighbor 2 .2.2.2 received -routes command lists the three original prefixes.BThe show ip bgp neighbor 2.2.2.2 advertised - routes command lists the three original prefixes.CThe show ip bgp neighbor 2.2.2.2 routes command lists the three original prefixes.DT he show ip bgp neighbor 2.2.2.2 routes command lists only 2.0.0.0/8.EThe show ip bgp neighbor 2.2.2.2 advertised - routes command lists only 2.0.0.0/8.
单选题A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table on a PassGuide router named PG1.The following information is available from this router：PG1 Configuration：router bgp 65001network 10.0.0.0neighbor 172.16.1.1 remote-as65002no auto-summaryRouting table information：show ip route|include 10O10.10.10.0/24[110/11]via192.168.1.1，2d00h，Ethernet0/0Why is this prefix not in the local BGP table of thePG1（）AThe 172.16.1.1 neighbor is down.BThe prefix 10.10.10.0/24is not a’connected’route.CThis route is not a BGP learned route.DThe network command is wrong.ENone of the other alternatives apply
单选题Which of the following answers is most true about the BGP Update message?（）AIt lists a set of path attributes, along with a list of prefixes that use those PAsBIt lists a prefix/length, plus the PA settings for that prefixCIt lists withdrawn routes, but never in the same Update message as newly advertised routesDA single Update message lists at most a single prefix/lengtH
单选题A BGP router is configured as shown below： interface ethernet 0 ip address 10.10.10.1 255.255.0.0! int serial 0 ip address 172.16.1.1 255.255.255.252! router bgp 65001 neighbor 192.168.1.1 remote-as 65002 Based on the above configuration， which of the following BGP statements would inject the10.10.0.0/16 prefix into the BGP routing table？（）Anetwork 10.0.0.0Bnetwork 10.10.0.0 mask 255.255.0.0Cnetwork 10.10.10.1 mask 255.255.255.255Dnetwork 10.10.10.0 mask 255.255.255.0Enetwork 10.0.0.0 mask 255.255.0.0
单选题Which route filter match type only matches prefixes greater than the defined prefix?（）AexactBuptoClongerDorlonger
多选题A router is running BGP and receives more than one route for a particular prefix. Assume all the routes for this prefix have the same attributes. Which three path features would be reasons be for the rou ter to ignore some of the routes and not consider them as candidates for the best path?（）Apaths from an internal BGP (iBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHBpaths for which the NEXT_HOP is inaccess ibleCpaths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHDpaths for which the NEXT_HOP is accessibleEpaths that are marked as synchronized in the show ip bgp outputFpaths that are marked as not synchronized in the show ip bgp output
单选题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 preferredB The command neighbor send-community is configured on BGP neighbor 10.10.23.3C The route 10.10.23.3 is not being advertised to other BGP neighborsD Route 6.6.6.0/24 is learned by an IBGP peer