Cisco 300-510リアル試験問題解答は無料
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Cisco 300-510認定試験は、サービスプロバイダーネットワークで高度なルーティングソリューションを実装するスキルと知識を検証するのに役立つ、やりがいのあるがやりがいのある試験です。サービスプロバイダー業界で始めたばかりの場合でも、キャリアを昇進させようとしている経験豊富な専門家である場合でも、この認定試験は間違いなく検討する価値があります。
質問 # 111
Which command is used to enable BIDIR-PIM under global configuration mode for Cisco IOS XE Sofware?
- A. ip pim bidir
- B. ipv4 pim bidir-enable
- C. ip multicast-routing
- D. ip pim bidir-enable
正解：D
解説：
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-3s/imc-pim-xe-
3sbook/imc_basic_cfg.html
質問 # 112
Refer to the exhibit. A network engineer must enable segment routing between the three autonomous systems with these requirements:
- OSPF link-state data for area 0 routers must be distributed to the
controller via BGP LS.
- EPE must be enabled on the egress node in AS 100.
- Routers must advertise peer node SIDs to the controller R1 via BGP
LS.
Which configuration must the engineer apply?
- A. R1(config)# router ospf 100
R1(config-ospf}# distribute link-state instance-id 100 throttle 10
R1(config)# router bgp 100
R1(config-bgp}# neighbor 10.10.10.1
R1(config-bgp-nbr)# remote-as 200
R1(config-bgp-nbr}# egress-engineering
R1(config-bgp}# neighbor 192.168.30.1
R1(config-bgp-nbr}# remote-as 100
R1(config-bgp-nbr}# address-family link-state link-state - B. R2(config)# router ospf 100
R2(config-ospf}# distribute link-state instance-id 100 throttle 10
R2(config)# router bgp 100
R2(config-bgp}# neighbor 10.10.20.1
R2(config-bgp-nbr)# remote-as 300
R2(config-bgp-nbr}# egress-engineering
R2(config-bgp}# neighbor 192.168.20.1
R2(config-bgp-nbr}# remote-as 100
R2(config-bgp-nbr}# address-family link-state link-state - C. R2(config)# router ospf 100
R2(config-ospf)# redistribute bgp 100
R2(config)# router bgp 100
R2(config-bgp}# neighbor 192.168.20.1
R2(config-bgp-nbr)# remote-as 100
R2(config-bgp-nbr}# egress-engineering
R2(config-bgp}# neighbor 10.10.10.1
R2(config-bgp-nbr}# remote-as 200
R2(config-bgp-nbr}# address-family link-state link-state - D. R1(config)# router ospf 100
R1(config-ospf)# redistribute bgp 100
R1(config)# router bgp 100
R1(config-bgp}# neighbor 192.168.30.1
R1(config-bgp-nbr)# remote-as 100
R1(config-bgp-nbr}# egress-engineering
R1(config-bgp}# neighbor 10.10.10.1
R1(config-bgp-nbr}# remote-as 200
R1(config-bgp-nbr}# address-family link-state link-state
正解：B
質問 # 113
Refer to the exhibit. Routers RA and RB are IS-IS peers configured for NSF but router RC is an IS-IS peer without NSF capability. If RA undergoes processor switchover what is the effect on the network environment?
- A. If RC is operating without the Cisco configuration option all three routers tear down their peering relationships and re-establish peering
- B. If RC is operating without the Cisco configuration option only 2 routers tear down their peering relationships and re-establish peering
- C. All peer relationships remain up and the link-state database is unchanged
- D. All peer relationships remain up, but the link-state database is rebuilt on each device
正解：D
質問 # 114
Refer to the exhibit.
Refer to the exhibit. A service provider has LDP and segment routing running in the network. Mobility traffic is carried through LDP and enterprise traffic is carried through segment routing. Which configuration must be implemented to connect the bank branch with the HUB site on routers?
- A. Configure segment-routing Sr-prefer prefix-list on AGI and AG2 router for 10.10.10.10/24.
- B. Enable segment-routing Mpls Sr-prefer on AGI and AG2 routers for 10.0.0.0/8.
- C. Enable segment-routing Mpls Sr-prefer on CRI and CR2 routers for 10.0.0.0/8.
- D. Configure segment-routing sr-prefer prefix-list on CRI and CR2 routers for 10.20.20.10/24.
正解：D
質問 # 115
Refer to the exhibit. A network operator must inject a Level 1 route from XR2 (10.16.16.0/24) into the ISIS topology.
Which configuration allows the injection in a way that XR3 and XR1 have a valid and working route for 10.16.16.0/24?
- A.
- B.
- C.
- D.
正解：C
解説：
L1 route injected by XR2 won't be advertised to XR1, since L2 routes are NOT leaked to L1 by default. An [L2-L1] route leak policy should be configured on L1/L2 router (XR3).
質問 # 116
Refer to the exhibit. When implementing SRv6, which SID does R2 propagate into area 0 for the prefix 2001:DB8:1:1/128?
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
質問 # 117
Refer to the exhibit. A network engineer configured the redistribute connected subnets route-map filtering command on R1 to redistribute connected interfaces to the OSPF process. The engineer also wants to filter out IP address 10.0.1.0/24, but the prefix still appears in the routing tables of the other routers on the network- Which action corrects the problem?
- A. Remove route-map sequence 30.
- B. Add a set statement to route-map sequence 20.
- C. Remove the subnets keyword from the redistribute connected subnets route-map filtering command.
- D. Change the deny statement in access list 2 to permit
正解：D
質問 # 118
What is one of the purposes of a default Multicast Distribution Tree?
- A. to define the RP for PIM sparse mode and the different leafs
- B. to offload traffic from data MDT
- C. to support control traffic between different VRFs
- D. to handle high-bandwidth source streams
正解：B
質問 # 119
Refer to the exhibit.
Refer to the exhibit. An engineer working for a private telecommunication company with an employee id 4115 46 881 is enabling a segment routing solution with these requirements.
A service provider is using the default range for prefix SID.
PE1 must allocate the first SID from the default range for the loopback address PE1 and PE2 loopback SID allocation should have a minimum difference of 500.
Which configuration must be implemented to meet the requirements?
- A. Option C
- B. Option B
- C. Option A
- D. Option D
正解：B
質問 # 120
Refer to the exhibit.
A network operators configuring BGP PIC on CE1 on already established neighborships with PE1ana PE2 inside the fully converged MPLS network Which element needs to be implemented to make this feature function effectively?
- A. The operator must ensure that all prefixes have the same next-hop from PE1 and PE2 for BGP PICA reserved BGP
- B. BGP import export policies must be applied on all devices for the routes needing BGP for PIC
- C. Bidirectional Forwarding Detection must be applied to the upstream facing BGP interfaces.
- D. community of 1 10 must be used to denote the PIC feature set to the routing protocol
正解：C
質問 # 121
Drag and drop the attributes for the BGP route selection on the left into the correct order on the right. Not all options are used.
正解：
解説：
質問 # 122
Refer to the exhibit. OSPF is running in the network, which spans multiple areas as shown, and all OSPF neighbors are established. Hosts that reside on the LAN on R1 are trying to reach a server connected to R5, but R1 cannot reach the R5 routes. The server must maintain a TCP connection with the hosts. Which action must the engineer take to resolve the issue?
- A. Configure a static route on R1 pointing to R3 so that traffic reaches routes connected to R5.
- B. Configure a static route on R1 and R3 that uses R5 as the next hop for traffic destined to routes connected to R5.
- C. Configure a virtual link between R1 and R3 to allow area 1 to communicate to area 3.
- D. Configure a virtual link between R1 and R2 to connect area 1 to area 0.
正解：D
質問 # 123
Which two statements about route reflectors are true? (Choose two.)
- A. If a route reflector receives a route with a cluster-list attribute containing a different cluster ID, the route is discarded.
- B. Routes received from a route reflector client is reflected to other clients and nonclient peers.
- C. Routes received from nonclient peers are reflected to route reflector cluster as well as OSPF peers.
- D. Routes received from nonclient peers are reflected to route reflector clients as well as nonclient peers.
- E. If a router received an iBGP route with the originator-ID attribute set to its own router ID, the route is discarded.
正解：B、E
質問 # 124
Refer to the exhibit.
Router 1 is a core ABR in a Cisco Unified MPLS environment. All of the router 1 BGP peers are established, but traffic between customers is failing. Which BGP configuration must be added to the configuration?
- A. It must be configured for graceful restart
- B. It must be configured with a route reflector
- C. It must be configured with send labels
- D. It must be configured with PIC edge
正解：C
質問 # 125
Refer to the exhibit. R3 is:
- failing to accept multicast RP information from Domain-A
- advertising MSDP SA messages to R1 and R4
- receiving SA messages only from R4
Which command must the engineer implement to resolve the issue?
- A. R3# no ip msap sa-filter in 192.168.1.1
- B. R3# ip msdp sa-filter in 192.168.3.1
- C. R3# ip msdp sa-filter out 192.168.1.1
- D. R3# no ip msdp peer 192.168.1.1
正解：B
解説：
https://allthingsnetworking.wordpress.com/2014/06/27/pim-msdp-sa-filter/
質問 # 126
Refer to the exhibit. An engineer is troubleshooting connectivity issues on the MPLS core network. A customer connected through R4 cannot reach the OSPF domain on R5. While checking the routing table of R1, the engineer cannot see all the routes from R3 and R5. Which task must the engineer perform so that R4 is able to reach R5?
- A. Enable route filtering between routers R1 and R3.
- B. Enable MP-BGP peering on routers R1, R3, R4, and R5.
- C. Enable OSPF peering and configure route redistribution between routers R4 and R1.
- D. Enable OSPF on the Area-0 routers and configure MP-BGP between routers R1 and R3.
正解：C
質問 # 127
In a PIM-SM environment, which mechanism determines the traffic that a receiver receives?
- A. The receiver explicitly requests its desired traffic from the RP on the shared tree.
- B. The receiver explicitly requests traffic from each desired source, which responds by sending all traffic.
- C. The receiver explicitly requests traffic from a single source, which responds by forwarding all traffic.
- D. The RP on the shared tree floods traffic out of all PIM configured interfaces.
正解：A
解説：
A shared tree is built first between receiver and the RP. The receiver is then able to switch to a Source tree as needed.
質問 # 128
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Cisco 300-510認定試験は、BGP、OSPF、IS-IS、MPLS、セグメントルーティング、EVPN、VRFなど、サービスプロバイダーネットワークの高度なルーティングソリューションに関連する幅広いトピックをカバーしています。この試験は、サービスプロバイダー環境でこれらのルーティングプロトコルとテクノロジーを設計、構成、およびトラブルシューティングする候補者の能力をテストするように設計されています。
Cisco 300-510の認定試験は、サービスプロバイダーネットワークの高度なルーティングソリューションに関する専門知識を習得したいネットワークエンジニアを対象としています。この試験は、ネットワークインフラストラクチャ、VPNサービス、BGP、ルートポリシーなど、Ciscoサービスプロバイダーの高度なルーティングソリューションの実装に関する様々なトピックをカバーしています。試験は、複雑なサービスプロバイダーのルーティングソリューションを設計、実装、トラブルシューティングする能力をテストするために用意されています。
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300-510試験問題、リアル300-510練習問題集：https://drive.google.com/open?id=1Lk-qnV0nfltN-VDMkgLy3SfZMe8ClJpr