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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？（）
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
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更多 “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” 相关考题
考题
An engineer has been told to create an implementation plan to influence the choice of best BGP route on a single router using the Weight featurE. The sole Enterprise Internet - connected router, Ent 1, has neighbor relationships with Routers ISP1 and ISP2, which reside inside two different ISPs. The goal is to prefer all routes learned from ISP1 over ISP2 using Weight.Which of the following answers lists a configuration step that would not be usefu l for achieving these goals?（）A. Configuring the neighbor weight command on Ent1.B. Having the ISPs configure the neighbor route - map out command on ISP1 and ISP2, with the route map setting weight.C. Configuring the set weight command inside a route map on Router Ent1.D. Configuring a prefix list to match all class C networks.
考题
Which of the following three BGP filtering methods enabled with the neighbor command will filter BGP prefixes based on the prefix and prefix length?()
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
考题
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?（）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.
考题
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
考题
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/DownState/PfxRcd1.1.1.1 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
考题
The command output that follows was gathered from router R1. If correctly referenced by an EIGRP distribution list that filters outbound Updates, which of the following statements is true about the filtering of various prefixes by this Prefix list?（）R1sh ip prefix - listip prefix - list question: 4 entriesseq 5 deny 10.1.2.0/24 ge 25 le 27seq 15 deny 10.2.0.0/16 ge 30 le 30se q 20 permit 0.0.0.0/0A. Prefix 10.1.2.0/24 will be filtered due to clause 5B. Prefix 10.1.2.224/26 will be filtered due to clause 5C. Prefix 10.2.2.4/30 will be filtered due to clause 15D. Prefix 10.0.0.0/8 will be permitteDE. Prefix 0.0.0.0/ 0 will be permitteD
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
Examine the above configuration. What does the route map named test accomplish?()
A. permits only the 10.0.0.0/8 prefix to be advertised to the 10.1.1.1 neighborB. marks all prefixes received fro m the 10.1.1.1 neighbor with a MED of 200C. marks the 10.0.0.0/8 prefix advertised to the 10.1.1.1 neighbor with a MED of 200D. permits only the 10.0.0.0/8 prefix to be received from the 10.1.1.1 neighborE. marks all prefixes advertised to the 10.1.1 .1 neighbor with a MED of 200F. marks the 10.0.0.0/8 prefix received from the 10.1.1.1 neighbor with a MED of 200
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
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.
考题
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（）A.The 172.16.1.1 neighbor is down.B.The prefix 10.10.10.0/24is not a’connected’route.C.This route is not a BGP learned route.D.The network command is wrong.E.None of the other alternatives apply
考题
WhatistheorderofpreferenceforthesecommandswhenallofthemareappliedtooneneighborintheBGPinboundfilterdirection?()
A.prefix-list，route-map，filter-list，distributelistB.route-map，filter-list，prefix-list，distribute-listC.route-map，distribute-list，prefix-list，filter-listD.filter-list，prefixlist，route-map，distributelistE.distributelist，prefix-list，route-map，fitterlist
考题
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
考题
What is the order of preference for these commands when all of them are applied to one neighbor in theBGP inbound filter direction？（）A、prefix-list， route-map， filter-list， distribute listB、route-map， filter-list， prefix-list， distribute-listC、route-map， distribute-list， prefix-list， filter-listD、filter-list， prefix list， route-map， distribute listE、distribute list， prefix-list， route-map， fitter list
考题
Which of the following three BGP filtering methods enabled with the neighbor command will filter BGP prefixes based on the prefix and prefix length？（）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
考题
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?（）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
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 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
考题
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
考题
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?（）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.
考题
单选题What is the order of preference for these commands when all of them are applied to one neighbor in theBGP inbound filter direction？（）A
prefix-list， route-map， filter-list， distribute listB
route-map， filter-list， prefix-list， distribute-listC
route-map， distribute-list， prefix-list， filter-listD
filter-list， prefix list， route-map， distribute listE
distribute list， prefix-list， route-map， fitter list
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An engineer has been told to create an implementation plan to influence the choice of best BGP route on a single router using the Weight featurE. The sole Enterprise Internet - connected router, Ent 1, has neighbor relationships with Routers ISP1 and ISP2, which reside inside two different ISPs. The goal is to prefer all routes learned from ISP1 over ISP2 using Weight. Which of the following answers lists a configuration step that would not be usefu l for achieving these goals?（）AConfiguring the neighbor weight command on Ent1.BHaving the ISPs configure the neighbor route - map out command on ISP1 and ISP2, with the route map setting weight.CConfiguring the set weight command inside a route map on Router Ent1.DConfiguring a prefix list to match all class C networks.
考题
单选题What is a route filter?（）A
a list of prefixes that can be configured in a poilcyB
a single prefix that is configured separately and be referenced in a policyC
a list of prefixes that is configured separately and can be referenced in a policyD
a single prefix that can be configured within a policy
考题
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
考题
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
考题
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
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.
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