单选题Router R1 has eBGP connections to I1 and I 2, routers at the same ISP. The company that owns R1 can use public address range 130.1.16.0/20. The following output lists all the IP routes in R1's routing table within this rangE. Which of the following ans
题目
Configure R1 with the network 130.1.16.0 mask 255.255.240.0 command.
Configure R1 with the network 130.1.16 .0 mask 255.255.240.0 summaryonly command.
Redistribute from OSPF into BGP, filtering so that only routes in the 130.1.16.0/20 range are redistributed.
Redistribute from OSPF into BGP, filtering so that only routes in the 130.1.16.0/20 range are redistributed, and create a BGP summary for 130.1.16.0/20.
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更多“单选题Router R1 has eBGP connections to I1 and I 2, routers at the same ISP. The company that owns R1 can use public address range 130.1.16.0/20. The following output lists all the IP routes in R1's routing table within this rangE. Which of the following ans”相关问题
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第1题：
Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. The single serial link b etween the two routers uses IP addresses 10.1.1.1 and 10.1.1.2, respectively. Both routers use their S0/0 interfaces for this link.Which of the following commands would be needed on R1 to configure eBGP?（）
A. router bgp 2
B. router bgp 1
C. neighbor 10.1 .1.2 remote - as 2
D. neighbor 10.1.1.2 Update - source 10.1.1.1
E. neighbor 10.1.1.2 Update- source S0/0
参考答案：B, C
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第2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.
参考答案：D
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第3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
参考答案：C, E
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第4题：
Refer to the exhibit. EIGRP has been configured on routers R1 and R2. However, R1 does not show R2 as a neighbor and does not accept routing updates from R2.What could be the cause of the problem?()
A. The no auto - summary command has not been issued under the EIGRP process on both routers.
B. Interface E0 on router R1 has not been configured with a secondary IP address of 10.1.2.1/24.
C. EIGRP cannot exchange routing updates with a neighbor‘s router interface that is configured with tw o IP addresses.
D. EIGRP cannot form neighbor relationship and exchange routing updates with a secondary address.
参考答案：D
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第5题：
Router R1 has eBGP connections to I1 and I 2, routers at the same ISP. The company that owns R1 can use public address range 130.1.16.0/20. The following output lists all the IP routes in R1's routing table within this rangE. Which of the following answers would cause R1 to advertise the 130.1.1 6.0/20 prefix to its eBGP peers?（） R1# show ip route 130.1.16.0 255.255.240.0 longer - prefixes ! lines omitteD... O 130.1.16.0/24 [110/3] via 10.5.1.1, 00:14:36, FastE thernet0/1 O 130.1.17.0/24 [110/3] via 10.5.1.1, 00:14:36, FastEthernet0/1 O 130.1.18.0/24 [110/3] via 10.5.1.1, 00:14:36, FastEthernet0/1
- A、Configure R1 with the network 130.1.16.0 mask 255.255.240.0 command.
- B、Configure R1 with the network 130.1.16 .0 mask 255.255.240.0 summaryonly command.
- C、Redistribute from OSPF into BGP, filtering so that only routes in the 130.1.16.0/20 range are redistributed.
- D、Redistribute from OSPF into BGP, filtering so that only routes in the 130.1.16.0/20 range are redistributed, and create a BGP summary for 130.1.16.0/20.
正确答案:D -
第6题：
Router R1 has been configured with the redistribute ospf 1 route - map fred command under router eigrp 1. The route map named fred needs to be configured to match routes to d etermine which routes are redistributed into EIGRP. Which of the following answers lists an item that cannot be matched by route map fred?（）
- A、Subnet number
- B、Next - hop router IP address of the route
- C、Whether the route is an E1 or E2 route
- D、The ro ute's tag
- E、The number of router hops between the router and the subnet
正确答案:E -
第7题：
Router R1 lists 4 routes for subnet 10.1.1.0/24 in the output of the show ip eigrp topology all - links command. The variance 200 command is configured, but no other related commands are configured. Which of the following rules are true regarding R1's decision of what r outes to add to the IP routing table? Note that RD refers to reported distance and FD to feasible distanc E.（）
- A、Adds all routes for which the metric is <= 200 * the best metric among all routes
- B、Adds all routes because of the ridiculously high variance setting
- C、Adds all successor and feasible successor routes
- D、Adds all successor and feasible successor routes for which the metric is<=200 * the best metric among all routes
正确答案:D -
第8题：
Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a longer AS_Path Length, bigger MED, bigger Weight, and smaller Loca l PreferencE. Which of the following is true about Router R1's choice of best path for this prefix?（）
- A、Route 1 is the best route.
- B、Route 2 is the best route.
- C、The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers.
- D、Neither route is considered best.
正确答案:A -
第9题：
单选题Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a shorter AS_Path Length, smaller MED, the same Weight, and smaller Local PreferencE. Which of the following is true about Router R1's choice of best path for this prefix?（）ARoute 1 is the best route.
BRoute 2 is the best route.
CThe routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers .
DNeither route is considered best.
正确答案： B解析： 暂无解析 -
第10题：
多选题Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. The single serial link b etween the two routers uses IP addresses 10.1.1.1 and 10.1.1.2, respectively. Both routers use their S0/0 interfaces for this link. Which of the following commands would be needed on R1 to configure eBGP?（）Arouter bgp 2
Brouter bgp 1
Cneighbor 10.1 .1.2 remote - as 2
Dneighbor 10.1.1.2 Update - source 10.1.1.1
Eneighbor 10.1.1.2 Update- source S0/0
正确答案： A,C解析： 暂无解析 -
第11题：
多选题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, bestAR1 has a neighbor 1.1.1.1 command configured.
BR1 has a neighbor 2.2.2.2 command configured.
CThe show ip bgp command lists a line for 190.1.0.0/16 with both an > and an i on the left.
DR1 is in ASN 1.
正确答案： D,C解析： 暂无解析 -
第12题：
单选题Router R1 has been configured with the redistribute ospf 1 route - map fred command under router eigrp 1. The route map named fred needs to be configured to match routes to d etermine which routes are redistributed into EIGRP. Which of the following answers lists an item that cannot be matched by route map fred?（）ASubnet number
BNext - hop router IP address of the route
CWhether the route is an E1 or E2 route
DThe ro ute's tag
EThe number of router hops between the router and the subnet
正确答案： B解析： 暂无解析 -
第13题：
Routers R1 and R2 are OSPF neighbors using their Fa0/0 interfaces, respectively, using default settings for all timers. An engineer ad ds the ip ospf hello - interval 6 command to R1‘s Fa0/0 configuration.Which of the following is true regarding the results from this change?（）
A. The show ip ospf neighbor command on R1 lists the revised Hello timer
B. The show ip ospf interfac e brief command on R1 lists the revised Hello timer
C. The R1 - R2 neighborship fails due to Hello timer mismatcH
D. The show ip ospf interface command on R1 lists the revised Hello timer
参考答案：C, D
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第14题：
Router R1 lists 4 routes for subnet 10.1.1.0/24 in the output of the show ip eigrp topology all - links command. The variance 200 command is configured, but no other related commands are configured. Which of the following rules are true regarding R1‘s decision of what r outes to add to the IP routing table?Note that RD refers to reported distance and FD to feasible distanc E.（）
A. Adds all routes for which the metric is <= 200 * the best metric among all routes
B. Adds all routes because of the ridiculously high variance setting
C. Adds all successor and feasible successor routes
D. Adds all successor and feasible successor routes for which the metric is<=200 * the best metric among all routes
参考答案：D
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第15题：
The output of s how ip eigrp topology on Router R1 shows the following output, which is all the output related to subnet 10.11.1.0/24. How many feasible successor routes does R1 have for 10.11.1.0/24?（）P 10.11.1.0/24, 2 successors, FD is 2172419via 10.1.1.2 (2172423/2 8167), Serial0/0/0.1via 10.1.1.6 (2172423/28167), Serial0/0/0.2
A.0
B.1
C.2
D.3
参考答案：A
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第16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
正确答案:C,E -
第17题：
Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a shorter AS_Path Length, smaller MED, the same Weight, and smaller Local PreferencE. Which of the following is true about Router R1's choice of best path for this prefix?（）
- A、Route 1 is the best route.
- B、Route 2 is the best route.
- C、The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers .
- D、Neither route is considered best.
正确答案:B -
第18题：
A company uses Routers R1 and R2 to connect to ISP1 and ISP2, respectively, with Routers I1 and I2 used at the ISPs. R1 peers with I1 and R2; R2 peers with I2 and R1. Assuming as many default s ettings as possible are used on all four routers, which of the following is true about the next - hop IP address for routes R1 learns over its iBGP connection to R2?（）
- A、The next hop is I2's BGP RID
- B、The next hop is I2's IP address used on the R2 - I2 neigh bor relationship
- C、The next hop is R2's BGP RID
- D、The next hop is R2's IP address used on the R1 - R2 neighbor relationship
正确答案:B -
第19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
- A、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.
正确答案:B,C -
第20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?（）AR1 has been configured with an ip default- network 2.0.0.0 command.
BR1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.
CR1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
DAnother router has been configured with an ip default - network 2.0.0.0 command.
EAnother router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
正确答案： E解析： 暂无解析 -
第21题：
单选题Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a longer AS_Path Length, bigger MED, bigger Weight, and smaller Loca l PreferencE. Which of the following is true about Router R1's choice of best path for this prefix?（）ARoute 1 is the best route.
BRoute 2 is the best route.
CThe routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers.
DNeither route is considered best.
正确答案： B解析： 暂无解析 -
第22题：
单选题A company uses Routers R1 and R2 to connect to ISP1 and ISP2, respectively, with Routers I1 and I2 used at the ISPs. R1 peers with I1 and R2; R2 peers with I2 and R1. Assuming as many default s ettings as possible are used on all four routers, which of the following is true about the next - hop IP address for routes R1 learns over its iBGP connection to R2?（）AThe next hop is I2's BGP RID
BThe next hop is I2's IP address used on the R2 - I2 neigh bor relationship
CThe next hop is R2's BGP RID
DThe next hop is R2's IP address used on the R1 - R2 neighbor relationship
正确答案： B解析： 暂无解析 -
第23题：
单选题Router R1 lists 4 routes for subnet 10.1.1.0/24 in the output of the show ip eigrp topology all - links command. The variance 200 command is configured, but no other related commands are configured. Which of the following rules are true regarding R1's decision of what r outes to add to the IP routing table? Note that RD refers to reported distance and FD to feasible distanc E.（）AAdds all routes for which the metric is <= 200 * the best metric among all routes
BAdds all routes because of the ridiculously high variance setting
CAdds all successor and feasible successor routes
DAdds all successor and feasible successor routes for which the metric is<=200 * the best metric among all routes
正确答案： B解析： 暂无解析