Router R1 sits at an Enterprise branch office, using the Internet for its only connectivity back to the rest of the EnterprisE. Which of the following is not a ben efit of using an IPsec tunnel for packets sent through the Internet, between R1 and the rest of the Enterprise?（） Router R1 sits at an Enterprise branch office, using the Internet for its only connectivity back to the rest of the EnterprisE. Which of the following is not a ben efit of using an IPsec tunnel for packets sent through the Internet, between R1 and the rest of the Enterprise?（）

A、A. Privacy

B、B. Authentication

C、C. Allows using an IGP between R1 and the Enterprise

D、D. Secure communications

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更多“Router R1 sits at an Enterprise branch office, using the Internet for its only connectivity back to the rest of the EnterprisE. Which of the following is not a ben efit of using an IPsec tunnel for packets sent through the Internet, between R1 and the rest of the Enterprise?（） Router R1 sits at an Enterprise branch office, using the Internet for its only connectivity back to the rest of the EnterprisE. Which of the following is not a ben efit of using an IPsec tunnel for packets sent through the Internet, between R1 and the rest of the Enterprise?（）”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] Router R1 sits at an Enterprise branch office, using both the Internet and a leased line to another Enterprise router for its two connectivity options back into the rest of the Enterprise network. The engineer planning for this branch decided to use the leased line for all Enterprise traffic, unless it fails, in which case the Internet connection should be used to pass traffic to the Enterprise. Which of the following is most likely to be useful on the branch router?（）

A、IPsec tunnel B、GRE tunnel C、Floating stati c route D、An IGP

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第3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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第4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5题

[单选题] Router R1 currently has no configuration related to IPv6 or IPv4. The following configuration exists in a planning document, intended to be used to copy/paste into Router R1 to enable OSPFv3 on interfaces F0/0 and S0/0/0. No other related configuration exists. Assuming F0/0 and S0/0/0 reach an up/up state, which of the following is true about OSPFv3 on R1 after this configuration has been pasted into R1?（） ipv6 router ospf 1 ipv6 unicast- routing interface f0/0 ipv6 address 2000 ::1/64 ipv6 ospf 1 area 1 interface s0/0/0 ipv6 address 2001::/64 eui - 64 ipv6 ospf 1 area 0

A、OSPF works on F0/0 and S0/0/0 without further configuration B、OSPF works with the addition of one command: a no shutdown command in OSPF router configur ation modE C、OSPF works with the addition of one command: an router - id command in OSPF router configuration modE D、OSPFv3 needs at least two more configuration commands before it works on R1

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第6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7题

[单选题] Router R1 currently has no configuration related to IPv6 or IPv4. The following configuration exis ts in a planning document intended to be used to copy/paste into Router R1 to enable EIGRP for IPv6 on interfaces F0/0 and S0/0/0. No other related configuration exists. Assuming F0/0 and S0/0/0 reach an up/up state, which of the following is true about EIGRP for IPv6 on R1 after this configuration has been pasted into R1?（） ipv6 router eigrp 1 ipv6 unicast- routing interface f0/0 ipv6 address 2000::1/64 ipv6 eigrp 1 interface s0/0/0 ipv6 address 2001::/64 eui - 64 ipv6 eigrp 1

A、EIGRP works on F0/0 and S0/0/0 without further configuration B、EIGRP works with the addition of one command: a no shutdown command in EIGRP router configuration modE C、EIGRP works with the addition of one command: an eigrp router - id command in EIGRP router configurat ion modE D、EIGRP for IPv6 needs at least two more configuration commands before it works on R1