300-510 Practice Questions

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...

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...

What is the difference between RPL and route-maps?

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...

What is the function of BGP confederations?

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...

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...

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...

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...

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,...

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...

What is a feature of SR-PCE?

Drag and Drop Question Drag and drop the characteristics from the left onto the corresponding routing protocols on the right. Answer:

Drag and Drop Question Drag and drop the features from the left onto the corresponding routing protocols on the right. Answer:

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...

Which two BGP route reflector attributes should be implemented to prevent routing loops? (Choose two)

What is a feature of SRGB label values?

Refer to the exhibit. Which duplicate configuration causes this message during setup of an MPLS BGP network?

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

What is the difference between RPL and route map actions?

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...

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...

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...

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...

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...

What is one of the purposes of a default Multicast Distribution Tree?

How does the SRv6 IS-IS Flexible Algorithm function on the data plane?

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...

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...

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...