[2026年09月09日] 300-515 PDFで最近更新された問題です集試験点数を伸ばそう [Q18-Q35]

18、Which two BGP attributes prevent loops in a route reflector environment? (Choose two.)

19、Refer to the exhibit.

If the two devices are operating normally, which two conclusions can you draw from this configuration?
(Choose two.)

20、Refer to the exhibit. Which effect of this configuration is true?

21、You are troubleshooting ARP connectivity issues for an Ethernet interface on an IOS XR network that runs IS- IS. You verify that the IGP protocol is running, but an ARP entry has not yet been created.
Which action should you take?

22、An engineer noticed that PE3 is failing to accept IPv6 traffic information from PE1.
The engineer confirmed that both PE3 and PE1 routers are configured accurately with IPv6 protocol.
To eliminate IPv6 traffic loss issue, which action must the engineer take to solve the problem?

23、

Refer to the exhibit. Which statement describes the result of this configuration?

24、Which flavor of MPLS Layer 3 VPN has MPLS enabled on PE-CE links?

25、Which feature describes MP-BGP operation in a service provider backbone network?

26、A network architect is troubleshooting the L2TPv3 tunneling security due to the untrusted nature of the underlaying network. Which two L2TPv3 features does the architect deploy to address the ongoing issues?
(Choose two.)

27、Which three functions are performed by the PE router in an MPLS Layer 3 VPN? (Choose three.)

28、Refer to the exhibit.

An engineer is implementing an MPLS P2MP TE solution. Which type of router can serve as the midpoint router and the tailend router in this P2MP TE network implementation?

29、Refer to the exhibit. A customer is experiencing a VPN traffic outage: The VPN connection CustomerLMN between PEA and PEC is down. After debugging, the service provider network engineer found that the VRF RD and RT values are correctly configured on PEA and PEC, and MP-BGP peering is up between the PE routers. Which configuration resolves this issue?

30、The network engineering group of a large ISP needs to harden the management plane of its Cisco 9000 Series ASRs. While addressing IPv6 ICMP issues, they realized they have to limit the rate at which IPv6 ICMP error messages are sent out on the network. Which command do they need to apply?

31、Refer to the exhibit.

The CE router has established a BGP peering with the PE router, and the CE will use the core infrastructure of the PE as a backbone carrier to support CSC. Which additional task can you perform to complete the configuration?

32、What is the role of an EVC?

33、In an Ethernet Virtual Circuit environment, which restriction do bridge domains have when STP is running?

34、Refer to the exhibit.

Which statement describes the result of this configuration?

35、You are writing the requirements for an MPLS L3VPN environment that uses MP-BGP between PE routers. In this environment, route targets and route distinguishers need to be advertised between the PE routers.
Which three operations meet these requirements? (Choose three.)