搜题

【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?<br /> 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

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更多“ 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?<br /> Note that RD refers to reported distance and FD to feasible distanc E.（）”相关的问题

第1题

[] Refer to the exhibit. Routers R1 and R2 have established a neighbor relationship and are exchanging routing information. The network design requires that R1 r eceive routing updates from R2, but not advertise any routes to R2. Which configuration command sequence will successfully accomplish this task? （） Refer to the exhibit. Routers R1 and R2 have established a neighbor relationship and are exchanging routing information. The network design requires that R1 r eceive routing updates from R2, but not advertise any routes to R2. Which configuration command sequence will successfully accomplish this task? （）

A、A. R1(config)# router eigrp 1 R1(config - router)# passive - interface serial 0 B、B. R1(config)# access - list 2 0 deny any R1(config)# router eigrp 1 R1(config - router)# distribute - list 20 out serial 0 C、C. R2(config)# access - list 20 permit any R2(config)# router eigrp 1 R2(config - router)# distribute - list 20 in serial 0 D、D. R1(config)# access - list 20 permit any R 1(config)# router eigrp 1 R1(config - router)# distribute - list 20 in serial 0 E、E. R2(config)# access - list 20 deny any R2(config)# router eigrp 1 R2(config - router)# distribute - list 20 out serial 0 F、F. R2(config)# router eigrp 1 R2(config - router)# passive - interface serial 0

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第2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 32 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

A、A. R1 will not create/flood a type 3 LSA for subnet 10.1.2.0/26 into area 1 B、B. R1 will not create/flood a Type 3 LSA for subnet 1 0.1.2.0/24 into area 1 C、C. R1 will not have an OSPF route for subnet 10.1.2.0/26 in its IP routing tablE D、D. R1 will not have an OSPF route for subnet 10.1.2.0/24 in its IP routing tablE

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第3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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第4题

[] Router R1 lists the following output from a show command. Which of the following is true about R1?（） R1# show ip v6 interface f0/0 FastEthernet0/0 is up, line protocol is up IPv6 is enabled, link - local address is FE80::213:19FF:FE12:3456 No Virtual link - local address(es): Global unicast address(es): 2000::4:213:19FF:FE12:3456, subnet is 2000:0:0:4::/64 [EUI] Jo ined group address(es): FF02::1 FF02::2 FF02::1:FF:12:3456 Router R1 lists the following output from a show command. Which of the following is true about R1?（） R1# show ip v6 interface f0/0 FastEthernet0/0 is up, line protocol is up IPv6 is enabled, link - local address is FE80::213:19FF:FE12:3456 No Virtual link - local address(es): Global unicast address(es): 2000::4:213:19FF:FE12:3456, subnet is 2000:0:0:4::/64 [EUI] Jo ined group address(es): FF02::1 FF02::2 FF02::1:FF:12:3456

A、A. R1's solicited node multicast address is FF02::1:FF:12:3456. B、B. R1's 2000::4:213:19FF:FE12:3456 address is a global unicast with all 128 bits statically configured. C、C. Address FF02::2 is R1's solicited node multicast. D、D. R1's solicited node multicast, not listed in this output, would be FF02::213:19FF:FE12:3456.

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第5题

[多选题] Which̳4;series̳4;of̳4;commands will̳4;configure̳4;router̳4;R1̳4;for̳4;LAN-to-LAN̳4;communication̳4;with̳4;router̳4;R2？̳4;The̳4;enterprise̳4;network̳4;address̳4;is̳4;192.1.1.0/24̳4;and̳4;the̳4;routing̳4;protocol̳4;in̳4;use̳4;is̳4;RIP.（）

A、R1（config）# interface ethernet 0；R1（config-if）# ip address 192.1.1.129 255.255.255.192；R1（config-if）# no shutdown B、R1（config）# interface ethernet 0；R1（config-if）# ip address 192.1.1.97 255.255.255.192；R1（config-if）# no shutdown C、R1（config）# interface serial 0；R1（config-if）# ip address 192.1.1.4 255.255.255.252；R1（config-if）# clock rate 56000 D、R1（config）# interface serial 0；R1（config-if）# ip address 192.1.1.6 255.255.255.252；R1（config-if）# no shutdown E、R1（config）# router rip；R1（config-router）# network 192.1.1.4；R1（config-router）# network 192.1.1.128 F、R1（config）# router rip；R1（config-router）# version 2；R1（config-router）# network 192.1.1.0

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第6题

[单选题] Which of the following access list statements would deny traffic from a specifichost?（）

A、Router(config)# access-list 1 deny 172.31.212.74 any B、Router(config)# access-list 1 deny 10.6.111.48 host C、Router(config)# access-list 1 deny 172.16.4.13 0.0.0.0 D、Router(config)# access-list 1 deny 192.168.14.132 255.255.255.0 E、Router(config)# access-list 1 deny 192.168.166.127 255.255.255.255

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第7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8题

[单选题] Use the same scenario as the previous question, w ith one changE.Instead of the distribute-list prefix question in command configured on R1,R1's OSPF process has an area 1 filter-list prefix question in commandconfigured. Again assuming that 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 32

A、R1 will not create/flood a type 3 LSA for su bnet 10.1.2.0/26 into area 1 B、R1 will not create/flood a Type 3 LSA for subnet 10.1.2.0/24 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

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第9题

[简答题] 有一同轴电缆，其尺寸如图（ａ）所示．两导体中的电流均为I，但电流的流向相反，导体的磁性可不考虑．试计算以下各处的磁感强度：（1）r＜R1；（2）R1＜r＜R2；（3）R2＜r＜R3；（4）r＞R3．画出B－r图线．

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第10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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