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【单选题】

R1 is internal to area 1, and R2 is internal to area 2. Subnet 10.1.1.0/24 exists in area 2 as a connected subnet off R2. ABR ABR1 connects area 1 to backbone area 0, and ABR2 c onnects area 0 to area 2.<br /> Which of the following LSAs must R1 use when calculating R1&#39;s best route for 10.1.1.0/24?（）

A、R2's Type 1 LSA

B、Subnet 10.1.1.0/24's Type 2 LSA

C、ABR1's Type 1 LSA in area 0

D、Subnet 10.1.1.0/24's Type 3 LSA in Area 0

E、  Subnet 10.1.1.0/24's Type 3 LSA in Area 1

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更多“ R1 is internal to area 1, and R2 is internal to area 2. Subnet 10.1.1.0/24 exists in area 2 as a connected subnet off R2. ABR ABR1 connects area 1 to backbone area 0, and ABR2 c onnects area 0 to area 2.<br /> Which of the following LSAs must R1 use when calculating R1&#39;s best route for 10.1.1.0/24?（）”相关的问题
第1题
[单选题] Router R1 sits inside OSPF area 1. Router R2 redistributes an E1 route into OSPF for prefix 2.2.2.0/24, with external metric 20. Router R22 redistributes an E2 route for the same prefix/length, external metric 10. Under what conditions will R1 choose as it s best route the route through R22?（）

A、R1 will always choose the route through R22.  B、As long as R1's best internal OSPF cost to reach R22 is less than 10.  C、As long as R1's best internal OSPF cost to reach R22 is less than 20.  D、R1 will never choo se the route through R22 if the E1 route through R2 is available.  

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第2题
[多选题] Routers R1 and R2 are EIGRP neighbors. R1 has been configured with the eigrp stub connected command. Which of the following is true as a result？（）

A、R1 can learn EIGRP routes from R2, but R2 cannot learn EIGRP routes from R1  B、R1 can send IP packets to R2, but R2 cannot send IP packets to R1  C、R2 no longer learns EIGRP routes from R1 for routes not connected to R1  D、R1 no longer replies to R2's Query messages  E、R2n o longer sends to R1 Query messages  

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第3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, best 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, best

A、A. R1 has a neighbor 1.1.1.1 command configured.  B、B. R1 has a neighbor 2.2.2.2 command configured.  C、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、D. R1 is in ASN 1.  

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第4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 0.1.0.0/16 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, best 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 0.1.0.0/16 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, best

A、A. R1 has a neighbor 1.1.1.1 command configured.  B、B. R1 has a neighbor 2.2.2.2 command configured.  C、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、D. R1 is in ASN 1.  

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第5题
[] Refer to the e xhibit. It is desired to set up a BGP neighbor relationship between routers R1 and R4. BGP packets between them could travel through R2 or R3. What is the simplest configuration that will allow for failover?（） Refer to the e xhibit. It is desired to set up a BGP neighbor relationship between routers R1 and R4. BGP packets between them could travel through R2 or R3. What is the simplest configuration that will allow for failover?（）

A、A. Configure BGP n eighbor relationships between all interfaces on R1 and R4.  B、B. Install a direct connection between R1 and R4.  C、C. Configure loopback interfaces on R1 and R4 to provide the update source address for BGP packets.  D、D. Configure only one neighbor relationship between R1's 192.168.1.2 interface and R4's 172.16.10.2 interface.  

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第6题
[单选题] 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 route  B、R1's metric to reach subnet 10.2.2.0/24 is 64  C、The route was redistributed on a router that has a router ospf 1 command configured  D、R1 is redistributing a route to prefix 1 0.2.2.0/24 into OSPF  

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第7题
[单选题] 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.  

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第8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 3

A、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.  

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第9题
[单选题] Refer to the exhibit. Router R1 is connected to networks 172.1 6.1.0 /26 and 172.16.1.64 /27. On the basis of the partial output in the exhibit, which statement is true? （）

A、Router R1 will deny the 172.16.1.0/26 route while permitting the 172.16.1.64/27 route to be advertised.  B、Router R1 will advertise both rou tes.  C、Router R1 should be reconfigured with an ACL instead of an ip prefix - list command.  D、Router R1 will deny the 172.16.1.0/27 route while permitting the 172.16.1.0/26 route to be advertised.  

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