300-510 Practice Questions
298 real 300-510 exam questions with expert-verified answers and explanations. Page 5 of 6.
- Question #203Unicast Routing
Refer to the exhibit. An engineering team implemented IS-IS on the network, with several different areas. Recently, router R6 in area 3 has been experiencing excessive CPU usage. T...
IS-ISRoute SummarizationLevel 1/2 RoutersCPU Optimization - Question #204Multicast Routing
Refer to the exhibit. Mid-sized company Z connected two branch offices via a multicast-enabled ISP using the BGP routing protocol. PIM was implemented to support multicast streamin...
PIM Sparse ModeRP DiscoveryBSRMulticast Routing Troubleshooting - Question #205Routing Policy and Manipulation
What is the difference between RPL and route-maps?
Routing Policy Language (RPL)Route-mapsBGP CommunitiesPolicy Manipulation - Question #206Unicast Routing
Refer to the exhibit. An engineer is troubleshooting a network routing issue on this IS-IS network situated at the customer's regional hub. Router 2 that runs Cisco IOS XR Software...
IS-IS configurationInterface activationNamed IS-IS processRoute advertisement - Question #207Core Routing
What is the function of BGP confederations?
BGPBGP ConfederationsiBGP ScalingAutonomous System Design - Question #208MPLS and Segment Routing
Refer to the exhibit. MPLS traffic from the packet core that is connected to router RX (10.10.10.1) to the radio network that is connected to router RB (10.10.10.6) uses the longer...
MPLS Path SelectionOSPF CostLDPRouting Optimization - Question #209Multicast Routing
Refer to the exhibit. The UserA device fails to recede IPTV streaming traffic from the source. While debugging the issue a network engineer finds that routers RB and RC receive the...
Multicast RoutingIGMPPIM SSMTroubleshooting - Question #210Multicast Routing
The ISP_A network is configured with PIMv2 with sparse mode. The engineering team at ISP_A must implement multicast support following RFC 5059 in the network. The RP priority will...
PIM-SMBootstrap RouterRP DiscoveryRFC 5059 - Question #211Unicast Routing
Refer to the exhibit. IS-IS is the routing protocol on the network. After the team noticed excessive CPU usage on all routers, particularly routers R2 and R6, they configured route...
IS-ISRoute SummarizationLevel 1/Level 2 RoutingRouting Table Optimization - Question #212MPLS and Segment Routing
Refer to the exhibit. Unified MPLS is implemented on this network to provide end-to-end services. A network engineer noticed that R3 is failing to receive labels from R1. However,...
MPLS LDPUnified MPLSLabel DistributionTargeted LDP - Question #213MPLS and Segment Routing
Refer to the exhibit. Customer A and customer B are connecting through a service provider network with these requirements: - R1 acts as the mapping server to connect 10.0.0.0/30 an...
Segment RoutingPrefix SIDMapping ServerSR-MPLS - Question #214MPLS and Segment Routing
What is a feature of SR-PCE?
Segment RoutingPCEBGP-LSTopology Discovery - Question #215Core Routing
Drag and Drop Question Drag and drop the characteristics from the left onto the corresponding routing protocols on the right. Answer:
Routing ProtocolsBGPIGPsProtocol Characteristics - Question #216Unicast Routing
Drag and Drop Question Drag and drop the features from the left onto the corresponding routing protocols on the right. Answer:
Routing ProtocolsProtocol FeaturesUnicast Routing Concepts - Question #217High Availability and Security
Level 3 switch SW1 is part of an EIGRP enabled network located at the edge of an area. Cisco Express Forwarding and SSO are enabled on the router. A network engineer must minimize...
EIGRP NSFHigh AvailabilityRoute StabilityStateful Switchover (SSO) - Question #218Core Routing
Which two BGP route reflector attributes should be implemented to prevent routing loops? (Choose two)
BGPRoute ReflectorLoop PreventionBGP Attributes - Question #219MPLS and Segment Routing
What is a feature of SRGB label values?
SRGBSegment RoutingGlobal SignificanceMPLS Labels - Question #220Service Provider VPN Services
Refer to the exhibit. Which duplicate configuration causes this message during setup of an MPLS BGP network?
BGPRoute ReflectorOriginator IDLoop Prevention - Question #221
Refer to the exhibit. Company X is multihomed to a service provider. With the default settings, the link between PE2 and CE1 is the primary link, but company X has asked for the li...
- Question #222MPLS and Segment Routing
Refer to the exhibit. A network engineer is enabling a segment routing solution with these requirements: - A service provider is using the default and nondefault SID range for inte...
Segment RoutingMPLSSID AllocationInterface SIDs - Question #223Unicast Routing
SIMULATION Guidelines This is a lab item in which tasks will be performed on virtual devices. - Refer to the Tasks tab to view the tasks for this lab item. - Refer to the Topology...
OSPFOSPF Interface ConfigurationOSPF TimersRouting Metrics - Question #224Multicast Routing
An engineer with an employee ID: 4535:15:507 must implement PIM-SSM in the network to support a new multicast messaging service. All the routers in the network run a distance vecto...
PIM-SSMIGMPv3Multicast RoutingHost Signaling - Question #225Routing Policy and Manipulation
Refer to the exhibit. The service provider operations team was alerted that hub site traffic from BGP AS 65101 to AS 65201 uses a non-primary path via the R5-R6 link. IBGP peering...
BGP Local PreferenceBGP Path SelectionRouting PolicyTraffic Engineering - Question #226High Availability and Security
An engineer configured OSPF on all routers in the data center in the same exchange as other routers. Layer 2 connectivity was established. Now, the engineer plans to implement BFD...
BFDOSPFHigh AvailabilityFast Convergence - Question #227MPLS and Segment Routing
Refer to the exhibit. The Cisco router has a single uplink to the upstream network, which is critical to the business. The router is configured for traffic steering with the Autoro...
SR-TE PolicyAutoroute AnnounceIGP IntegrationTraffic Engineering - Question #228Unicast Routing
An engineer is implementing LFA FRR on PE routers to allow unicast traffic to rapidly converge around link or node failures. The engineer configured IS-IS on the newly deployed rou...
LFA FRRIS-ISNetwork TypesFast Reroute - Question #229MPLS and Segment Routing
Refer to the exhibit. R1 is sending data traffic to R6 using the same SRGB range as the other routers in the topology, but it is also using a non-default SRLB range. Which two conf...
Segment RoutingSRGBSRLBAdjacency SID - Question #230Routing Policy and Manipulation
Refer to the exhibit. Excessive routes are flooding from network 150.0.0.0 into AS100. Internet traffic between AS400 and AS300 is working normally. No route controlling mechanism...
BGPRoute FilteringRoute Summarization - Question #231Routing Policy and Manipulation
Refer to the exhibit. The engineering team noticed route disruptions when DSL subscriber 172.16.20.10 goes offline. In this service provider environment: - The OSPF backbone area i...
BGP Route OriginationRoute StabilityStatic RoutesRouting Policy - Question #232Core Routing
Refer to the exhibit. An engineer at a large ISP is troubleshooting suboptimal routing on a customer's IS-IS network with multiple Level 1-2 routers. The network consists of numero...
IS-ISLevel 1-2 RoutingSuboptimal RoutingL2 into L1 Advertisement - Question #233Unicast Routing
Refer to the exhibit. OSPF is an interior routing protocol on the network. Routers R4 and R6 are in area 0, and all tunnels are in area 2. R4 is connected to R6 with a 1 Gbps link...
OSPFMetric CalculationReference BandwidthPath Selection - Question #234Core Routing
Refer to the exhibit. After creating dynamic neighbors for the range specified, the network administrator with an employee ID: 4698:80:283 cannot see all the BGP neighbors establis...
BGP ConfigurationDynamic BGP PeeringAddress Family Activation - Question #236MPLS and Segment Routing
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...
Segment RoutingEgress Peer EngineeringBGP Link-StateOSPF IGP - Question #237High Availability and Security
Refer to the exhibit. A network engineer must optimize link failures on the OSPF routing domain. The solution must follow RFC 5286, and downtime must be no more than 50 ms. All kno...
OSPF Fast RerouteLoop-Free Alternate (LFA)Network ResilienceSub-50ms Convergence - Question #238MPLS and Segment Routing
Refer to the exhibit. Router 1 resides in a different data center than Router 2 and Router 3. Router 1 is running the IS-IS routing protocol, and it is preconfigured with LDP and s...
Segment RoutingTI-LFAIS-ISFast Reroute - Question #239Core Routing
Refer to the exhibit. A service provider is running IS-IS in the core, and all routers use the default IS-IS configuration and reside in the same area. All routers maintain a diffe...
IS-ISCore RoutingNetwork PerformanceLink-State Protocols - Question #240
Refer to the exhibit. BGP is running on the network, and CE1 currently prefers routes to the internet via PE1. A network engineer must manipulate the BGP routes that CE1 receives f...
- Question #241Core Routing
Refer to the exhibit. OSPF is running in the core of a company. Router RA is running EIGRP. After the company acquired an additional office, an engineering team connected the two n...
OSPFRedistributionStub AreasRoute Propagation - Question #242Unicast Routing
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...
OSPFVirtual LinksInter-area RoutingOSPF Area Design - Question #243Routing Policy and Manipulation
What is the difference between RPL and route map actions?
RPLRoute MapsRouting PolicyPolicy Actions - Question #244High Availability and Security
A network administrator is planning an upgrade for a PE router that has BGP peering sessions with several CE routers. The SLA has stringent uptime requirements, so the administrato...
BGP NSRGraceful RestartHigh AvailabilitySSO - Question #245Routing Policy and Manipulation
Refer to the exhibit. The four routers in this network have formed adjacencies. Router R2 is an IS- IS level 1-2 router that connects to other areas, and the attach bit is set in t...
IS-ISAttach BitRoute LeakingRouting Policy - Question #246
Refer to the exhibit. IS-IS is the IGP for the network, where routers R1, R2, R3, and R4 are Level 1 routers in Area 12 and routers R5 and R6 are Level 2 routers in area 16. Accord...
- Question #247Routing Policy and Manipulation
Refer to the exhibit. A network engineer must correct the security policy on the EDGE_R router, which is connected to two Tier 1 ISPs. After another engineer added ip as-path acces...
BGPRouting PolicyAS-Path Access-ListRegular Expressions - Question #248Unicast Routing
Refer to the exhibit. A network engineer commissioned Router 1, which connects to Router 2 and Router 5. Router 1 participates in IS-1S routing with other routers, but it is not us...
IS-ISOverload BitPath SelectionUnicast Routing - Question #249Multicast Routing
What is one of the purposes of a default Multicast Distribution Tree?
Multicast VPN (MVPN)Default MDT (D-MDT)Data MDT (S-MDT)Multicast Traffic Management - Question #250MPLS and Segment Routing
How does the SRv6 IS-IS Flexible Algorithm function on the data plane?
SRv6Flexible AlgorithmData PlaneIS-IS - Question #251Routing Policy and Manipulation
Refer to the exhibit. ISP_A in AS 635 has four BGP neighbors connected one-by-one, starting from AS 12. R1 has been configured with bgp deterministic-med and bgp additional-paths i...
BGP Path SelectionBGP Tie-breakersBGP Router IDBGP Configuration - Question #252Routing Policy and Manipulation
Refer to the exhibit. Company_A hosts multiple online VoD platforms. R3 is connected to MAN with a 100 Mbps link. R2 has only a 10 Mbps connection, but it has the lowest number of...
IS-IS RoutingRoute SummarizationIS-IS LevelsPath Selection - Question #253Routing Policy and Manipulation
Refer to the exhibit. All routers in the network are in area 12, with IS-IS running in the default configuration as the IGP. To avoid congestion on the link from R1 to R2, the netw...
IS-ISMetric ManipulationTraffic EngineeringNarrow Metrics