Cisco 350-501 Practice Test - Questions Answers, Page 23
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The network-engineering team of a service provider is integrating several recently acquired networks into a more scalable common Unified MPLS architecture. The new network architecture will support end-to-end VPNv4 and VPNv6 services with these requirements:
• The IGP of the core layer is IS-IS In Area 0.
• The IGP of the aggregation layers is OSPF in Area 0.
• The LDP protocol Is used to distribute label bindings within each IGP domain.
Which task must the network engineer perform when implementing this new architecture?
Configure BGP-LU between ABR routers of each IGP domain to carry MPLS label information in NLRI.
Configure a BGP session between the ABR routers of each IGP domain to exchange VPNv4 or VPNv6 prefixes
Configure the ABR in each IGP domain to preserve next-hop information on all VPNv4 and VPNv6 prefixes advertised by the PE.
Configure mutual redistribution of each IGP domain's loopback prefix to provide end-to-end LDP LSP
Refer to the exhibit.
If RC is a stub router, which entry must be injected so that it will send traffic outside the OSPF domain?
virtual link between RB and RC
sham link
more specific route
default route
Refer to the exhibit. Router BRDR-1 is configured to receive the 0.0.0.0/0 and 172.17.1.0/24 network via BGP and advertise then into OSPF area 0. An engineer has noticed that the OSPF domain is receiving only the 172.17.1.0/24 route and default router 0.0.0.0/0 is still missing. Which configuration must an engineer apply to resolve this problem?
router ospf 1
redistribute bgp 65001 metric 100 route-policy BGP-TO-OSPF
end
router
ospf 1 default-information originate
end
router
ospf 1 default-metric 100
end
router
ospf 1 default-information originate always
end
An engineer is implementing a router redistribution within BGP. The route map must be configured to permit all unmatched routes. Which action must the engineer perform to complete this task?
Option A
Option B
Option C
Option D
Refer to the exhibit. A network operator is attempting to configure an IS-IS adjacency between two routers, but the adjacency cannot be established. To troubleshoot the problem, the operator collects this debugging output. Which interface are misconfigured on these routers?
The R2 interface is configured as point-to-point, and the peer router interface is configured as multipoint.
The R2 interface is configured as Level 1 only, and the peer router interface is configured as Level 2 only.
The peer router interface is configured as Level 1 only, and the R2 interface is configured as Level 2 only.
The peer router interface is configured as point-to-point, and the R2 interface is configured as multipoint.
An engineer is implementing MPLS to monitor within the MPLS domain. Which must the engineer perform to prevent packets from being forwarded beyond the service provider domain when the LSP is down?
Option A
Option B
Option C
Option D
An engineer a cisco MPLS tunnel to improve the streaming experience for the clients of a video -ondemand server. Which action must the engineer perform to configure extended discovery to support the MPLS LDP session between the headend and tailend routers?
Option A
Option B
Option C
Option D
What occurs when a high bandwidth multicast stream is sent over an MVPN using Cisco hardware?
Option A
Option B
Option C
Option D
How do intent APIs make it easier for network engineers to deploy and manage networks?
Option A
Option B
Option C
Option D
Which CLI mode must be used to configure the BGP keychain in Cisco IOS XR software?
global configuration mode
routing configuration mode
BGP neighbor configuration
mode BGP address-family configuration mode
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