Examine the following configuration on Router R1. R1‘s show ip route 172.16.4.1 command list s a route with outgoing interface S0/1/1. Host 172.16.3.3 uses telnet to connect to host 172.16.4.1.What will Router R1 do with the packets generated by host 172.

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第2题：

Examine the following excerpt from the show ip ospf database asbr -summary command on router R1 (RID 1.1.1.1). Which answer can be verified as definitely true based on this output?（） LS Type: Summary Links (AS Boundary Router) Link State ID: 9.9.9.9 (AS Boundary Router address) Advertising Router: 3.3.3.3 LS Seq Number: 8000000D Checksum: 0xE43A Length: 28 Network Mask: /0 TOS: 0 Metric: 100

• A、The output describes the contents of a Type 5 LSA
• B、3.3.3.3 identifies a ro uter as being the router performing redistribution
• C、R1's metric for its best route to reach the router with RID 9.9.9.9 is 100
• D、The router with RID 3.3.3.3's metric for its best route to reach the router with RID 9.9.9.9 is 100

第3题：

On Router R1, process EIGRP 1 is redistributing routes from process OSPF 2, calling route - map fred with the redistribute ospf 2 command. R1 has learned intra - area routes for 10.1.1.0/24 and 10.1.2.0/24 in part due to the Type 2 LSAs known for each subnet. The route map filters route 10.1.1.0/24 and allows 10.1.2.0/24 througH. Which of the following co mmands on router R1 list subnet 10.1.1.0/24?（）

• A、show ip route
• B、show ip eigrp topology
• C、show ip ospf topology
• D、show ip eigrp topology 10.1.1.0/24

第4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

第5题：

Routers R1 and R2 are EIGRP neighbors using their Fa0/0 interfaces, respectively. An engineer adds the ip hello - interval eigrp 9 6 command to R1's Fa0/0 configuration. Which of the following is true regarding the results from this c hange？（）

• A、The show ip eigrp neighbors command on R1 lists the revised Hello timer
• B、The show ip eigrp interfaces command on R1 lists the revised Hello timer
• C、The R1 - R2 neighborship fails due to Hello timer mismatcH
• D、The show ip eigrp interfaces detail command on R1 lists the revised Hello timer

第6题：

The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?（）

• A、The default administrative distance is used.
• B、The command is used to establish a static route.
• C、The command is used to configure the router interfaces.
• D、The command is used to establish a stub network.
• E、The subnet mask for the source address is 255.255.255.0

第7题：

A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table ona Company router named R1. The following information is available from this router：  R1 Configuration：  router bgp 65001 network 10.0.0.0 neighbor 172.16.1.1 remote-as 65002 no auto-summary  Routing table information：  show ip route | include 10 O 10.10.10.0/24 [110/11] via 192.168.1.1， 2d00h， Ethernet0/0  Why is this prefix not in the local BGP table of the R1？（）

• A、The 172.16.1.1 neighbor is down.
• B、The prefix 10.10.10.0/24 is not a ’connected’ route
• C、This route is not a BGP learned route
• D、The network command is wrong
• E、None of the other alternatives apply

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第14题：

The following output occurs on Router R1. Which of the following cannot be determine d from this output?（） R1# show ip route 180.1.1.0 255.255.255.240 Routing entry for 180.1.1.0/28 Known via "bgp 2", distance 20, metric 0 Tag 3, type external Last update from 192.168.1.2 00:10:27 ago Routing Descriptor Blocks: * 192.168.1.2, from 19 2.168.1.2, 00:10:27 ago Route metric is 0, traffic share count is 1 AS Hops 2 Route tag 3

• A、The type of BGP peer (iBGP or eBGP) that advertised this route to R1
• B、R1's ASN
• C、The next - hop router's ASN
• D、The AS_Path length

第15题：

Enterprise Router R1 connects an Enterprise to the Internet. R1 needs to create and advertise a default route into the Enterprise using EIGRP. The engineer creating the implementation plan has chosen to base this default route on the ip route command, rather than using i p default - network. Which of the following is not a useful step with this style of default route configuration?（）

• A、Create the default route on R1 using the ip route 0.0.0.0 0.0.0.0 outgoinginterface command.
• B、Redistribute the statically configured defa ult route.
• C、Disable auto - summary.
• D、Configure the network 0.0.0.0 command.
• E、Ensure R1 has no manually configured summary routes using the ip summary- address eigrp command.

第16题：

An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?（）

• A、Issue the show ip route command on Router A
• B、Issue the show ip route command on Router B
• C、Issue the show cdp neighbors command on Router B
• D、Issue the show cdp neighbors detail command on Router C
• E、Issue the show arp command on Router A
• F、Issue the show arp command on Router B

第17题：

The following line of output was gathered on Enterprise Router Ent1 using the command show ip route. Which of the following answers is most likely to be true, based on thi s output？（） B 128.107.0.0 [20/10] via 11.11.11.11, 00:02:18

• A、This router has set the Weight of this route to 10.
• B、This router's BGP table lists this route as an iBGP route.
• C、This router's MED has been set to 10.
• D、This router's BGP table lists an AS_Path length of 10 for this route.

第18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.

第19题：

Examine the following configuration on Router R1. R1's show ip route 172.16.4.1 command list s a route with outgoing interface S0/1/1. Host 172.16.3.3 uses telnet to connect to host 172.16.4.1.What will Router R1 do with the packets generated by host 172.16.3.3 because of the telnet,assuming the packets enter R1's F0/0 interface?（） interface Fastethernet 0/0 ip address 172.16.1.1 255.255.255.0 ip policy route - map Q2 ! route - map Q2 permit match ip address 101 set interface s0/0/1 ! access - list 101 permit tcp host 172.16.3.3 172.16.4.0 0.0.0.255

• A、The packet will be forwarded out S0/0 /1, or not at all.
• B、The packet will be forwarded out S0/0/1 if it is up.
• C、The packet will be forwarded out S0/1/1 if it is up.
• D、The packet will be forwarded out S0/1/1 if it is up, or if it is not up, out s0/0/1.
• E、The packet will be forwarded o ut S0/0/1 if it is up, or if it is not up, out s0/1/1.

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