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为 300-410 考试做好准备：2026年更新的历年真题。Cisco企业版300-410考试，ENARSI | 思博网络。

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问题 #1

Refer to the exhibit. Refer to the exhibit. Which configuration resolves the issue? A) B) C) D)

A. Option A.

B. Option B.

C. Option C.

D. Option D.

正确答案：D

问题 #2

Topic 1Refer to the exhibit. An engineer configures a static route on a router, but when the engineer checks the route to thedestination, a different next hop is chosen.What is the reason for this?

A. Dynamic routing protocols always have priority over static routes.

B. The metric of the OSPF route is lower than the metric of the static route.

C. The configured AD for the static route is higher than the AD of OSPF.

D. The syntax of the static route is not valid, so the route is not considered.

正确答案：C

问题 #3

Network operations cannot read or write any configuration on the device with this configuration from the operations subnet. Which two configurations fix the issue? (Choose two.)

A. Configure SNMP rw permission in addition to community ciscotest.

B. Modify access list 1 and allow operations subnet in the access list.

C. Modify access list 1 and allow SNMP in the access list.

D. Configure SNMP rw permission in addition to version 1.

E. Configure SNMP rw permission in addition to community ciscotest 1.

正确答案：B

问题 #4

Which method changes the forwarding decision that a router makes without first changing the routing table or influencing the IP data plane?

A. nonbroadcast multiaccess

B. packet switching

C. policy-based routing

D. forwarding information base

正确答案：C

问题 #5

Refer to the exhibit. Refer to the exhibit A network administrator is troubleshooting to reduce the routing table of R4 and R5 to learn only the default route to communicate from Inter-Area and Intra-Area networks Which configuration resolves the issue? A) B) C) D)

A. Option A.

B. Option B.

C. Option C.

D. Option D.

正确答案：D

问题 #6

Topic 1Refer to the exhibits. The output of the trace route from R5 shows a loop in the network.Which configuration prevents this loop?

A. Option A

B. Option B

C. Option C

D. Option D

正确答案：B

问题 #7

Which Layer 3 VPN attribute installs customer routes in the VRF?

A. extended-community.

B. MPLS label.

C. RD.

D. RT.

正确答案：C

问题 #8

Topic 1Refer to the exhibit. An engineer is trying to generate a summary route in OSPF for network 10.0.0.0/8, but the summaryroute does not show up in the routing table.Why is the summary route missing?

A. The summary-address command is used only for summarizing prefixes between areas.

B. The summary route is visible only in the OSPF database, not in the routing table.

C. There is no route for a subnet inside 10.0.0.0/8, so the summary route is not generated.

D. The summary route is not visible on this router, but it is visible on other OSPF routers in the same area.

正确答案：C

问题 #9

Refer to the exhibit. Which action adds the 10 1 7.6-32 route to the BGP table?

A. Add a static roue for the 10 1 7 &32 network.

B. Add the network 10.1.7.6 mask 255.255.255.255 backdoor command.

C. Add summaty-address10.1.7.6.255.255.2550.

D. Add the network 10.1.7.6 mask 255.255.255.255 command.

正确答案：D

问题 #10

Topic 1Which method changes the forwarding decision that a router makes without first changing the routing table or influencing theIP data plane?

A. nonbroadcast multiaccess

B. packet switching

C. policy-based routing

D. forwarding information base

正确答案：C

问题 #11

Topic 1R2 has a locally originated prefix 192.168.130.0/24 and has these configurations:What is the result when the route-map OUT command is applied toward an eBGP neighbor R1 (1.1.1.1) by using theneighbor 1.1.1.1 route-map OUT out command?

A. R1 sees 192.168.130.0/24 as two AS hops away instead of one AS hop away.

B. R1 does not accept any routes other than 192.168.130.0/24

C. R1 does not forward traffic that is destined for 192.168.30.0/24

D. Network 192.168.130.0/24 is not allowed in the R1 table

正确答案：A

问题 #12

Topic 1Refer to the exhibit. An engineer is trying to redistribute OSPF to BGP, but not all of the routes are redistributed.What is the reason for this issue?

A. By default, only internal routes and external type 1 routes are redistributed into BGP

B. Only classful networks are redistributed from OSPF to BGP

C. BGP convergence is slow, so the route will eventually be present in the BGP table

D. By default, only internal OSPF routes are redistributed into BGP

正确答案：D

问题 #13

An engineer configures a static route on a router, but when the engineer checks the route to the destination, a different next hop is chosen. What is the reason for this?

A. Dynamic routing protocols always have priority over static routes.

B. The metric of the OSPF route is lower than the metric of the static route.

C. The configured AD for the static route is higher than the AD of OSPF.

D. The syntax of the static route is not valid, so the route is not considered.

正确答案：C

问题 #14

configuration on the hub router meets this requirement?

A. interface Tunnel0

tunnel mode gre multipoint.

B. interface Tunnel0 tunnel mode dvmrp.

C. interface Tunnel0 tunnel mode ipsec ipv4.

D. interface Tunnel0 tunnel mode ip.

正确答案：A

问题 #15

An engineer is trying to block the route to 192.168.2.2 from the routing table by using the configuration that is shown. The route is still present in the routing table as an OSPF route. Which action blocks the route?

A. Use an extended access list instead of a standard access list.

B. Change sequence 10 in the route-map command from permit to deny.

C. Use a prefix list instead of an access list in the route map.

D. Add this statement to the route map: route-map RM-OSPF-DL deny 20.

正确答案：C

问题 #16

Topic 1Refer to the exhibit. Which configuration configures a policy on R1 to forward any traffic that is sourced from the192.168.130.0/24 network to R2?

A. Option A

B. Option B

C. Option C

D. Option D

正确答案：D

问题 #17

Topic 1Which attribute eliminates LFAs that belong to protected paths in situations where links in a network are connected through acommon fiber?

A. shared risk link group-disjoint

B. linecard-disjoint

C. lowest-repair-path-metric

D. interface-disjoint

正确答案：B

问题 #18

Topic 1Refer to the exhibit. R2 is a route reflector, and R1 and R3 are route reflector clients. The route reflector learns the route to172.16.25.0/24 from R1, but it does not advertise to R3.What is the reason the route is not advertised?

A. R2 does not have a route to the next hop, so R2 does not advertise the prefix to other clients.

B. Route reflector setup requires full IBGP mesh between the routers.

C. In route reflector setup, only classful prefixes are advertised to other clients.

D. In route reflector setups, prefixes are not advertised from one client to another.

正确答案：A

问题 #19

Topic 1Refer to the exhibit. An engineer is troubleshooting BGP on a device but discovers that the clock on the device does notcorrespond to the time stamp of the log entries.Which action ensures consistency between the two times?

A. Configure the service timestamps log uptime command in global configuration mode.

B. Configure the logging clock synchronize command in global configuration mode.

C. Configure the service timestamps log datetime localtime command in global configuration mode.

D. Make sure that the clock on the device is synchronized with an NTP server.

正确答案：D

问题 #20

Topic 1Refer to the exhibit. Users in the branch network of 2001:db8:0:4::/64 report that they cannot access the Internet.Which command is issued in IPv6 router EIGRP 100 configuration mode to solve this issue?

A. Issue the eigrp stub command on R1.

B. Issue the no eigrp stub command on R1.

C. Issue the eigrp stub command on R2.

D. Issue the no eigrp stub command on R2.

正确答案：B

问题 #21

Topic 1Refer to the exhibit. In which circumstance does the BGP neighbor remain in the idle condition?

A. if prefixes are not received from the BGP peer

B. if prefixes reach the maximum limit

C. if a prefix list is applied on the inbound direction

D. if prefixes exceed the maximum limit

正确答案：D

问题 #22

Topic 1What is a prerequisite for configuring BFD?

A. Jumbo frame support must be configured on the router that is using BFD.

B. All routers in the path between two BFD endpoints must have BFD enabled.

C. Cisco Express Forwarding must be enabled on all participating BFD endpoints.

D. To use BFD with BGP, the timers 3 9 command must first be configured in the BGP routing process.

正确答案：C

问题 #23

Topic 1Refer to the exhibit. An engineer is trying to block the route to 192.168.2.2 from the routing table by using the configurationthat is shown. The route is still present in the routing table as an OSPF route.Which action blocks the route?

A. Use an extended access list instead of a standard access list.

B. Change sequence 10 in the route-map command from permit to deny.

C. Use a prefix list instead of an access list in the route map.

D. Add this statement to the route map: route-map RM-OSPF-DL deny 20.

正确答案：C

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