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The following command output was gathered from Router R1, an ABR between areas 0 (backbone) and area 1. In this internetwork, area 0 contains all the subnets of cla ss A network 10.0.0.0. R1‘s OSPF process has a distribute - list prefix question in command configured. Assuming the subnets listed in the answers actually exist in area 0.Which of the following occurs on router R1?（）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 30seq 20 permit 0.0.0.0/0 le 32
A. R1 will not create/flood a type 3 LSA for subnet 10.1.2.0/26 into area 1
B. R1 will not create/flood a Type 3 LSA for subnet 1 0.1.2.0/24 into area 1
C. R1 will not have an OSPF route for subnet 10.1.2.0/26 in its IP routing tablE
D. R1 will not have an OSPF route for subnet 10.1.2.0/24 in its IP routing tablE
参考答案
更多 “ The following command output was gathered from Router R1, an ABR between areas 0 (backbone) and area 1. In this internetwork, area 0 contains all the subnets of cla ss A network 10.0.0.0. R1‘s OSPF process has a distribute - list prefix question in command configured. Assuming the subnets listed in the answers actually exist in area 0.Which of the following occurs on router R1?（）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 30seq 20 permit 0.0.0.0/0 le 32A. R1 will not create/flood a type 3 LSA for subnet 10.1.2.0/26 into area 1B. R1 will not create/flood a Type 3 LSA for subnet 1 0.1.2.0/24 into area 1C. R1 will not have an OSPF route for subnet 10.1.2.0/26 in its IP routing tablED. R1 will not have an OSPF route for subnet 10.1.2.0/24 in its IP routing tablE ” 相关考题
考题
The following output on Router R1 lists details of a BGP route for 190.1.0.0/16. Which of the following is true based on this output?（）R1 show ip bgp 19 0.1.0.0/16BGP routing table entry for 190.1.0.0/16, version 121Paths: (1 available, best 1, table Default - IP - Routing - Table)Advertised to update - groups:11 2 3 41.1.1.1 from 2.2.2.2 (3.3.3.3)Origin IGP, metric 0, localpref 100, valid, internal, bestA. R1 has a neighbor 1.1.1.1 command configured.B. R1 has a neighbor 2.2.2.2 command configured.C. The show ip bgp command lists a line for 190.1.0.0/16 with both an and an i on the left.D. R1 is in ASN 1.
考题
The following output occurs on Router R1. Which of the following cannot be determine d from this output?（）R1 show ip route 180.1.1.0 255.255.255.240Routing entry for 180.1.1.0/28Known via bgp 2, distance 20, metric 0Tag 3, type externalLast update from 192.168.1.2 00:10:27 agoRouting Descriptor Blocks:* 192.168.1.2, from 19 2.168.1.2, 00:10:27 agoRoute metric is 0, traffic share count is 1AS Hops 2Route tag 3A. The type of BGP peer (iBGP or eBGP) that advertised this route to R1B. R1‘s ASNC. The next - hop router‘s ASND. The AS_Path length
考题
The following output, taken from a show ip bgp command on Router R1, lists two neighbors. In what BGP neighbor state is neighbor 1.1.1.1?（）Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/DownState/PfxRcd1.1.1.1 4 1 60 61 26 0 0 00:45:0102.2.2.2 4 3 153 159 26 0 0 00:38:131A. IdleB. OpensentC. ActiveD. Established
考题
The following output exists on Router R1, a router internal to area 1. What can you d etermine as true from the output of the show ip ospf database summary command?()
A. The LSA was created by an ABR due to an area range command.B. The LSA was created by an ASBR due to a summary - address command.C. If cr eated by an area range command, the best metric for a subordinate subnet on that ABR must have been 11.D. None of the other answers is correct.
考题
Based on the show ip route isis output on R1, which statement is true? ()
A. The i su 10.1.0.0/23 route is a suppressed route.B. The i su 10.1. 0.0/23 route is a summary route.C. The i su 10.1.0.0/23 route is an IS - IS external route.D. The R1 IS - IS router is an ASBR.E. The R1 IS - IS router is an ABR that belongs to multiple IS - IS areas.F. The R1 IS - IS router is performing route aggregation and is suppressing the more specific 10.1.0.0/23 prefix.
考题
To make OSPF area 4 totally stubby, the following command was issued on the ABR in router configuration mode: area 4 stub.Which two things need to be done to finish making area 4 a totally stubby area?（）A. Apply the area 4 stub command to all routers in the areaB. On the ABR, use the area 4 stub command with the no - summary keywordC. On the ABR, specify a default cost for the area with the area default - cost commandD. On the ABR, use the default - information originate command to inject a default route into area 4E. Use the auto - cost command on each router in the area to automatically determine the cost to other OSPF areas
考题
Based on the exhibited output, which three statements are true?()
A. The route to 10.2.0.0/16 was redistributed into EIGRP.B. A default route has been redistributed into the EIGRP autonomous system.C. R1 is configured with the ip summary - address command.D. R1 is sourcing a n external EIGRP route from Null0.E. The router at 10.1.1.2 is configured with the ip default - network 0.0.0.0 command.F. R1 is configured with the variance command.
考题
R1, an ABR between backbone area 0 and area 1, has intra - area routes in area 0 for 10.1.1.0/24,10.1.2.0/24, and 10.1.3.0/24. These routes have metrics of 21, 22, and 23, respectively. An engineer then adds the area 0 r ange 10.1.0.0 255.255.0.0 command under the OSPF process of R1. Which of the following is true?（）A、R1 loses and then re - establishes neighborships with all neighbors.B、R1 no longer advertises 10.1.1.0/24 to neighbors into area 1.C、R1 advertises a 1 0.1.0.0/16 route into area 1 with a metric of 23 (largest metric).D、R1 advertises a 10.1.0.0/16 route into area 1 with metric of 21 (lowest metric).
考题
Examine the following excerpt from the show ip ospf database asbr -summary command on router R1 (RID 1.1.1.1). Which answer can be verified as definitely true based on this output?（） LS Type: Summary Links (AS Boundary Router) Link State ID: 9.9.9.9 (AS Boundary Router address) Advertising Router: 3.3.3.3 LS Seq Number: 8000000D Checksum: 0xE43A Length: 28 Network Mask: /0 TOS: 0 Metric: 100A、The output describes the contents of a Type 5 LSAB、3.3.3.3 identifies a ro uter as being the router performing redistributionC、R1's metric for its best route to reach the router with RID 9.9.9.9 is 100D、The router with RID 3.3.3.3's metric for its best route to reach the router with RID 9.9.9.9 is 100
考题
The following output was taken from Router R3. A scan of R3's configuration shows that no bandwidth commands have been configured in this router. Which of the following answers lists configuration settings could be a part of a configuration tha t results in the following output?（） R3#show ip ospf interface brief Interface PID Area IP Address/Mask Cost State Nbrs F/C Se0/0/0.2 3 34 10.10.23.3/29 647 P2P 1/1 Se0/0/0.1 3 34 10.10.13.3/29 1000 P2P 1/1 Fa0/0 3 34 10.10.34.3/24 20 BDR 1/1A、An a uto - cost reference - bandwidth 1000 command in router ospf modeB、An auto - cost reference - bandwidth 2000 command in router ospf modeC、An ip ospf cost 1000 interface S0/0/0.1 command in router ospf modeD、An auto - cost reference - bandwidth 64700 command i n router ospf mode
考题
Router R1, an ASBR connected to the Internet and to backbone area 0, has been configured with a default - information originate command. Which of the following is true about the effects of this configuration command?（）A、R1 will always create and flood a default route into the OSPF domain.B、R1 will create and flood an LSA for prefix/length 0.0. 0.0/0 into the OSPF domain if R1's IP routing table has a route to 0.0.0.0/0.C、R1 will set a flag on the LSA for the subnet between itself and one of the ISPs, noting this subnet as a default network, regardless of whether R1 has a default route.D、R1 w ill set a flag on the LSA for the subnet between itself and one of the ISPs, noting this subnet as a default network, but only if R1 has a route to 0.0.0.0/0.
考题
Which of the following answers can be verified as true based on the following command output from Router R1?（） R1#show ip ospf virtual - links Virtual Link OSPF_VL0 to router 4.4.4.4 is up Run as demand circuit DoNotAge LSA alloweD. Transit area 1, via interface FastEthernet0/1, Cost of using 3A、R1 is configured with an area 0 virtual - link 4.4.4.4 cost 3 command.B、The ping 4.4.4.4 command on R1 must currently be successful.C、R1's Fa0/0 OSPF cost is 3.D、4.4.4.4 is known to R1 based on a Type 1 LSA in area 1.
考题
Examine the following excerpt from the show ip eigrp topology 10.2.2.0/24 command on router R1.Which answer can be verified as definitely true based on this output?（） External data: Originating router is 10.1.1.1 AS number of route is 1 External protocol is OSPF, external metric is 64 Administrator tag is 0 (0x00000000)A、R1 is the router that redistributed the routeB、R1's metric to reach subnet 10.2.2.0/24 is 64C、The route was redistributed on a router that has a router ospf 1 command configuredD、R1 is redistributing a route to prefix 1 0.2.2.0/24 into OSPF
考题
A verification plan shows a network diagram with branch office Routers B1 through B100, plus two ABRs, ABR1, and ABR2, all in area 100. The branches connect to the ABRs using Frame Relay point - to - point subinterfaces. The verification plan lists the output of the show i p ospf database summary 10.100.0.0 command on a router B1, one of the branches. Which of the following is true regarding the output that could be listed for this command?（）A、The output lists nothing unless 10.100.0.0 has been configured as a summary rou te using the area range command.B、If 10.100.0.0 is a subnet in area 0, the output lists one Type 3 LSA, specifically the LSA with the lower metric when comparing ABR1's and ABR2's LSA for 10.100.0.0.C、If 10.100.0.0 is a subnet in area 0, the output lists two Type 3 LSAs, one each created by BR1 and ABR2.D、None, because the Type 3 LSAs would exist only in the ABR's LSDBs.
考题
Area Border Router （ABR） is a router located on the border of one or more OSPF areas that connect those areas to the backbone network. An ABR will inject a default route into which two types of areas？（）A、Area 0B、NSSAC、Totally stubbyD、Stub
考题
The following command output was gathered from Router R1, an ABR between areas 0 (backbone) and area 1. In this internetwork, area 0 contains all the subnets of cla ss A network 10.0.0.0. R1's OSPF process has a distribute - list prefix question in command configured. Assuming the subnets listed in the answers actually exist in area 0. Which of the following occurs on router R1?（） R1#sh ip prefix - list ip prefix - list question: 4 entries seq 5 deny 10.1.2.0/24 ge 25 le 27 seq 15 deny 10.2.0.0/16 ge 30 le 30 seq 20 permit 0.0.0.0/0 le 32A、R1 will not create/flood a type 3 LSA for subnet 10.1.2.0/26 into area 1B、R1 will not create/flood a Type 3 LSA for subnet 1 0.1.2.0/24 into area 1C、R1 will not have an OSPF route for subnet 10.1.2.0/26 in its IP routing tablED、R1 will not have an OSPF route for subnet 10.1.2.0/24 in its IP routing tablE
考题
The following output on Router R1 lists details of a BGP route for 190.1.0.0/16. Which of the following is true based on this output?（） R1# show ip bgp 190.1.0.0/16 BGP routing table entry for 190.1.0.0/16, version 121 Paths: (1 available, best #1, table Default - IP - Routing - Table) Advertised to update - groups: 1 1 2 3 4 1.1.1.1 from 2.2.2.2 (3.3.3.3) Origin IGP, metric 0, localpref 100, valid, internal, bestA、R1 has a neighbor 1.1.1.1 command configured.B、R1 has a neighbor 2.2.2.2 command configured.C、The show ip bgp command lists a line for 190.1.0.0/16 with both a n and an i on the left.D、R1 is in ASN 1.
考题
Which of the following is true about an OSPF area border router (ABR)?（）A、The ABR must have multiple interfaces connected to the backbone areAB、An ABR is a router with two interfaces, each connected to a different nonbackbone areAC、The only requirement to be considered an ABR is at least one interface connected to the backbone areAD、An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA
考题
Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: "Gateway of last resort is 1.1.1.1 to network 2.0.0.0". Whic h of the following is most likely to have caused this output to occur on R1?（）A、R1 has been configured with an ip default- network 2.0.0.0 command.B、R1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.C、R1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.D、Another router has been configured with an ip default - network 2.0.0.0 command.E、Another router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
考题
单选题Router R1, an ASBR connected to the Internet and to backbone area 0, has been configured with a default - information originate command. Which of the following is true about the effects of this configuration command?（）A
R1 will always create and flood a default route into the OSPF domain.B
R1 will create and flood an LSA for prefix/length 0.0. 0.0/0 into the OSPF domain if R1's IP routing table has a route to 0.0.0.0/0.C
R1 will set a flag on the LSA for the subnet between itself and one of the ISPs, noting this subnet as a default network, regardless of whether R1 has a default route.D
R1 w ill set a flag on the LSA for the subnet between itself and one of the ISPs, noting this subnet as a default network, but only if R1 has a route to 0.0.0.0/0.
考题
单选题Examine the following excerpt from the show ip ospf database asbr -summary command on router R1 (RID 1.1.1.1). Which answer can be verified as definitely true based on this output?（） LS Type: Summary Links (AS Boundary Router) Link State ID: 9.9.9.9 (AS Boundary Router address) Advertising Router: 3.3.3.3 LS Seq Number: 8000000D Checksum: 0xE43A Length: 28 Network Mask: /0 TOS: 0 Metric: 100A
The output describes the contents of a Type 5 LSAB
3.3.3.3 identifies a ro uter as being the router performing redistributionC
R1's metric for its best route to reach the router with RID 9.9.9.9 is 100D
The router with RID 3.3.3.3's metric for its best route to reach the router with RID 9.9.9.9 is 100
考题
多选题To make OSPF area 4 totally stubby, the following command was issued on the ABR in router configuration mode: area 4 stub.Which two things need to be done to finish making area 4 a totally stubby area?（）AApply the area 4 stub command to all routers in the areaBOn the ABR, use the area 4 stub command with the no - summary keywordCOn the ABR, specify a default cost for the area with the area default - cost commandDOn the ABR, use the default - information originate command to inject a default route into area 4EUse the auto - cost command on each router in the area to automatically determine the cost to other OSPF areas
考题
单选题Which of the following answers can be verified as true based on the following command output from Router R1?（） R1#show ip ospf virtual - links Virtual Link OSPF_VL0 to router 4.4.4.4 is up Run as demand circuit DoNotAge LSA alloweD. Transit area 1, via interface FastEthernet0/1, Cost of using 3A
R1 is configured with an area 0 virtual - link 4.4.4.4 cost 3 command.B
The ping 4.4.4.4 command on R1 must currently be successful.C
R1's Fa0/0 OSPF cost is 3.D
4.4.4.4 is known to R1 based on a Type 1 LSA in area 1.
考题
单选题The following output, taken from a show ip bgp command on Router R1, lists two neighbors. In what BGP neighbor state is neighbor 1.1.1.1?（） Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 1.1.1.1 4 1 60 61 26 0 0 00:45:01 0 2.2.2.2 4 3 153 159 26 0 0 00:38:13 1A
IdleB
OpensentC
ActiveD
Established
考题
单选题The fol lowing line of output was extracted from the output of the show ip bgp command on Router R1. Which of the following can be determined from this output?（） Network Next Hop Metric LocPrf Weight Path * 130.1.1.0/28 1.1.1.1 0 1 2 3 4 iA
The route is learne d from an eBGP peerB
The route has no more than three ASNs in the AS_PatHC
The route is the best route for this prefixD
None of these facts can be positively determined by this output
考题
单选题Which of the following is true about an OSPF area border router (ABR)?（）A
The ABR must have multiple interfaces connected to the backbone areAB
An ABR is a router with two interfaces, each connected to a different nonbackbone areAC
The only requirement to be considered an ABR is at least one interface connected to the backbone areAD
An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA
考题
单选题The following command output was gathered from Router R1, an ABR between areas 0 (backbone) and area 1. In this internetwork, area 0 contains all the subnets of cla ss A network 10.0.0.0. R1's OSPF process has a distribute - list prefix question in command configured. Assuming the subnets listed in the answers actually exist in area 0. Which of the following occurs on router R1?（） R1#sh ip prefix - list ip prefix - list question: 4 entries seq 5 deny 10.1.2.0/24 ge 25 le 27 seq 15 deny 10.2.0.0/16 ge 30 le 30 seq 20 permit 0.0.0.0/0 le 32A
R1 will not create/flood a type 3 LSA for subnet 10.1.2.0/26 into area 1B
R1 will not create/flood a Type 3 LSA for subnet 1 0.1.2.0/24 into area 1C
R1 will not have an OSPF route for subnet 10.1.2.0/26 in its IP routing tablED
R1 will not have an OSPF route for subnet 10.1.2.0/24 in its IP routing tablE
考题
单选题Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: "Gateway of last resort is 1.1.1.1 to network 2.0.0.0". Whic h of the following is most likely to have caused this output to occur on R1?（）A
R1 has been configured with an ip default- network 2.0.0.0 command.B
R1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.C
R1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.D
Another router has been configured with an ip default - network 2.0.0.0 command.E
Another router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
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