搜题

【单选题】

Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, destined for an Enterprise network.<br /> Which of the following answers best describes the router's logic that tells the router, for a given packet, to apply GRE encapsulation to the packet?（）

A、When the packet received on the LAN interface is permitted by the ACL listed on the tunnel greacl command under the incoming interface

B、When routing the packet, matching a route whose outgoing interface is the GRE tunnel interface

C、When routing the packet, matching a route whose outgoing interface is the IPsec tunnel interface

D、When permitted by an ACL that was referenced in the associated crypto map

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更多“ Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, destined for an Enterprise network.<br /> Which of the following answers best describes the router's logic that tells the router, for a given packet, to apply GRE encapsulation to the packet?（）”相关的问题

第1题

[单选题] 正确地为路由器命名为R1的命令是（）。

A、hostname R1 B、name R1 C、router name R1 D、name router R1

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第2题

[] 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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第3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4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5题

[多选题] Which series of commands will configure router R1 for LAN-to-LAN communication with router R2？ The enterprise network address is 192.1.1.0/24 and the routing protocol in use is 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] 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7题

[单选题] What is the most likely reason for the dispartly between the actual network numbers at the branches and the routes in the routing table on Gateway-Router?（）

A、Branch-Router2 is configured to send both RIPv1 and RIPv2 updates. B、Gateway-Router is configured to only receive RIPv2 updates. C、Gateway-router is configured to receive only RIPv1 updates. D、Branch-Router1 is configured to only send RIPv1 updates

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第8题

[单选题] What is the most likely reason for the dispartly between the actual network numbers at the branches and the routes in the routing table on Gateway-Router?（）

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第9题

[单选题] Refer to the exhibit. OSPF has been configured on all routers in the network. However, router R1 does not receive a default route to router R2 as in tended. Which configuration change would ensure that R1 would receive a default route from R2? （）

A、Add the area 1 stub command on routers R1. B、Add the always keyword to the default - information originate configuration command on router R2. C、Remov e the default information originate configuration command from router R2 and place it on router R1. D、Add the ip route 5.0.0.0 255.255.255.0 0.0.0.0 command to router R2.

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第10题

[单选题] Refer to the exhibit. During the process of configuring a virtual link to connect area 2 with the backbone area, the network administrator received this console message on R3: *Mar 1 00:2 5:01.084: %OSPF -4- ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual link but not found from 20.20.20.1, Serial 0 .How should the virtual link be configured on the OSPF routers to establish full connectivity between the areas?（）

A、R1(config - router)# area 0 virtual - link 1.1.1.1R3(config - router)# area 2 virtual - link 3.3.3.3 B、R1(config - router)# area 1 virtual - link 2.2.2.2 R3(config - router)# area 1 virtual - link 2.2.2.2 C、R1(config - router)# area 1 virtual - link 20.20 .20.2 R3(config - router)# area 1 virtual - link 30.30.30.2 D、R1(config - router)# area 1 virtual - link 30.30.30.3 R3(config - router)# area 1 virtual - link 20.20.20.1 E、R1(config - router)# area 1 virtual - link 3.3.3.3 R3(config - router)# area 1 virtual - link 1.1 .1.1

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