问答题Why does the bgp summary command always carry the as-set keyword?

问答题
Why does the bgp summary command always carry the as-set keyword?

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Which BGP command provides the router ID, local preference, next hop, and BGP path in its output?() A. show ip route bgpB. show ip bgpC. show ip bgp neighborsD. show ip bgp summary

Refer to the above exhibit. Why is the 140.140.0.0 network not used as the gateway of last resort even though it is configured first?() A.The last default - network statement will always be preferred.B.A route to the 140.140.0.0 network does not exist in the routing table.C.Default - network selection will always prefer the statement with the lowest IP address.D.A router will load balance across multiple default - networks; repeatedly issuing the show ip route command would show the gateway of last resort changing between the two networks.

Which command displays the IBGP and EBGP neighbors that are configured?() A. show ip bgp pathsB. show ip bgp peersC. show ip bgpD. show ip bgp summary

Refer to the exhibit diagram and config uration. RTB is summarizing its networks from AS 64100 with the aggregate - address command. However, the show ip route command on RTA reveals the RTB individual networks as well as its summary route.Which option would ensure that only the summary route would appear in the routing table of RTA?()A. Add a static route with a prefix of 192.168.24.0 255.255.252.0 pointing to the null0 interface.B. Create a route map permitting only the summary address.C. Delete the four network statements and leave onl y the aggregate - address statement in the BGP configuration.D. Add the keyword summary - only to the aggregate - address command.

对BGP路由进行手动聚合的命令是() A. aggregateB. summary bgp...C. aggregate X.X.X.X ...D. area ..range

Does it always matter if the “real world” is not being practiced in the classroom? Why or why not?

如图所示:在RTC上完成配置,使RTD上只接收到一条最优的聚合路由,并显示聚合网络的AS_PATH信息。()A、[RTC]bgp300[RTC-bgp]aggregate160.0.0.08detail-suppressed as-setB、[RTC]bgp300[RTC-bgp]summary160.0.0.011detail-suppressed as-setC、[RTC]bgp300[RTC-bgp]aggregate160.0.0.011detail-suppressed as-setD、[RTC]bgp300[RTC-bgp]summary160.0.0.08summary-only as-set

A router has two paths to reach another network in a different autonomous system. Neither route was generated by the local router and both routes have the same default weight an d local preference values. Which statement is true about how BGP would select the best path?()A、To influence one route to be preferred, its default local preference value will be changed via the use of the command bgp default local - preference 50B、Th e router will prefer the shortest autonomous system pathC、If the command bgp always - compare - med has been given, then the router will prefer the route with the highest MEDD、The router will prefer the route with the lower MED

Which of the following conclusions is most appropriate to draw to describe why du shows fewer blocks used than df?()A、 The df command only counts the number of disk blocks and superblocks. B、 The df command ignores space used for inodes, gnodes, and vnodes.C、 The du command does not take into account filesystem metadata. D、 The du command counts indirect blocks and superblocks in its calculations.

Why does the bgp summary command always carry the as-set keyword?

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.

Which command displays the IBGP and EBGP neighbors that are configured?()A、show ip bgp pathsB、show ip bgp peersC、show ip bgpD、show ip bgp summary

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

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单选题The auto-complete feature in the JUNOS CLI is triggered by which method?()Aspace bar for both command and variable completionBspace bar for command completion;tab key for variable completionCspace bar for variable completion;tab key for command completionDtab key for variable and command completion;space bar for command completion

多选题Which two statements about the bgp deterministic-med and bgp always-compare-med commands are true?()AThe bgp deterministic-med command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path lengthBThe bgp always-compare command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path systemCEnabling the bgp deterministic-med command ensures the comparison of the MED variable when choosing routes advertised by different peers in the same autonomous system.DEnabling the bgp always-compare-med command ensures the comparison of the MED variable for paths from neighbors in different autonomous systems.EThe bgp deterministic-med and bgp always-compare-med commands are enabled by defult.

单选题Which BGP command provides the router ID, local preference, next hop, and BGP path in its output?()Ashow ip route bgpBshow ip bgpCshow ip bgp neighborsDshow ip bgp summary

单选题Which description of BGP authentication is true?()AMD5 has been used by BGP to encrypt BGP update packets.BBGP uses a message-digest algorithm to authenticate BGP peersCA plain-text password authentication is an option of BGP authenticationDEBGP peers authentication is faster than IBGP peers authenticationEBGP uses public key and private key to authenticate BGP peers.

单选题A router has two paths to reach another network in a different autonomous system. Neither route was generated by the local router and both routes have the same default weight an d local preference values. Which statement is true about how BGP would select the best path?()ATo influence one route to be preferred, its default local preference value will be changed via the use of the command bgp default local - preference 50BTh e router will prefer the shortest autonomous system pathCIf the command bgp always - compare - med has been given, then the router will prefer the route with the highest MEDDThe router will prefer the route with the lower MED

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单选题Which of the following conclusions is most appropriate to draw to describe why du shows fewer blocks used than df?()A The df command only counts the number of disk blocks and superblocks. B The df command ignores space used for inodes, gnodes, and vnodes.C The du command does not take into account filesystem metadata. D The du command counts indirect blocks and superblocks in its calculations.

问答题Does it always matter if the “real world” is not being practiced in the classroom? Why or why not?

单选题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?()AThe 172.16.1.1 neighbor is down.BThe prefix 10.10.10.0/24 is not a ’connected’ routeCThis route is not a BGP learned routeDThe network command is wrongENone of the other alternatives apply

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