300-515 Exam Questions

While troubleshooting an AToM L2VPN service, a network consultant notices that the AC Layer 2 encapsulations are different. Which action should the consultant take in order to make...

Which mechanism reduces the network flooding caused by host ARP learning behavior?

What do EVPN single-active and all-active have in common?

Refer to the exhibit. An engineer is trying to configure an EVPN VWPS. What is the issue with this configuration?

Refer to the exhibit. Which result occurs when PE1 learns a new MAC address and all three PEs are enabled with EVPN native?

While troubleshooting EoMPLS configuration problems, which three parameters should an engineer match between the two ends of the pseudowire configurations? (Choose three.)

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...

What must match in the EVPN and L2VPN configuration mode when configuring EVPN native in a router?

A customer has two sites over an MPLS cloud with Ethernet connections and requires one STP domain to be transparent over the MPLS provider. Which label-switching technology can the...

Which method can be used to discover targeted LDP neighbors dynamically when configuring VPLS between PE routers?

An engineer is troubleshooting AToM on an IOS XE router and receives an error when creating the xconnect. Which command does he need to complete to create the xconnect in AToM?

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

An engineer is troubleshooting an EoMPLS circuit on a Cisco IOS XR router interface that removes a VLAN from the distribution layer. Which configuration should the engineer apply i...

A network engineer is implementing Layer 3 MPLS VPNs on Cisco IOS/IOS XE PE routers. Which PE-to- CE routing protocol requires a separate routing process to be created for each VRF...

Which option is the primary purpose of central service MPLS VPNs?

Which VPN technology is an example of a full-mesh VPN?

Which condition must be met before an environment can support CSC?

In Layer 3 MPLS VPN implementations, if some of the VPNv4 routes on one PE router do not appear on another PE router, what could be the problem?

With Layer 3 MPLS VPN implementations on Cisco IOS XR PE routers, an interface is assigned to a VRF using the vrf command in which configuration mode?

While implementing Layer 3 MPLS VPN, which feature should an engineer use at the PEs to transform the customer IPv4 prefixes into a unique 96-bit prefix?

Which kind of traffic is supported in an MVPN Extranet?

Refer to the exhibit. Which statement about this configuration is true?

How does Layer 3 VPN traffic traverse an ISP network?

How do Ethernet virtual circuits provide a way for service providers to maximize the use of VLAN tags?

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 protoc...

Refer to the exhibit. An organization is running H-VPLS on a network comprising four routers in a hub-and-spoke topology with R1 as the hub. An engineer added a new spoke with mult...

What is a requirement to share VRF reachability information to all members of a VPN when using IPv6?

Refer to the exhibit. What is shown in this output?

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...

Refer to the exhibit. Router 1 is a route reflector client within a service provider core. PE1 cannot see VPNv4 routes received from the ASBR. PE1 only has an iBGP relationship wit...

Refer to the exhibit. Router 1 is a P router in the ISP MPLS core. A connected P router cannot generate an MPLS label for the router 1 loopback0 interface. Which action resolves th...

What do routers on the network use to avoid routing loops when OSPF is running as the PE-CE routing protocol on a service provider network?

Refer to the exhibit. An engineer has configured router 1 to provide shared services to clients behind router 2. To complete the implementation so that routes from router 1 are acc...

Refer to the exhibit. A network engineer is implementing an OSPF configuration. Based on the output, which statement is true?

How do PE routers exchange CE routes between remote sites?

Which two differences must an engineer consider when choosing between Layer 2 and Layer 3 VPNs? (Choose two.)

Refer to the exhibit. Edge router R1 is installed at a Tier 1 ISP using OSPF with TE extensions in area 0 as an underlayer routing protocol. The tunnel is configured with explicit...

Refer to the exhibit. IPv4 traffic between location A and location B has previously experienced no congestion or packet drops. The hub R3 router was recently added to the network a...

What is a benefit of Inter-AS L3VPN Option AB?

A network architect is planning an inter-AS and intra-AS infrastructure for an organization with multiple locations that requires internet access for all sites and for data to be a...

Refer to the exhibit. R2 is connected to a server that is used heavily by numerous hosts that reside on R1. The company's network monitoring software flagged the Ethernet link betw...

What happens when Option AB is configured in an Inter-AS MPLS VPN?

How does the BGP Additional Paths feature modify the traditional behavior of BGP?

What is the primary benefit provided by Unified MPLS?

Which action must an engineer take when configuring SR-TE using OSPF?

Which two functions describe CsC architecture on the network? (Choose two.)

Refer to the exhibit. An enterprise customer reported packet drops to 192.168.1.1 from the hub site. The network operation team found that the link between RC and RA is down in OSP...

Refer to the exhibit. OSPF is used as an underlayer routing protocol in the backbone network of this ISP. A network engineer recently configured R1 with ip cef and mpls label range...

What is the role of an EVC?

Refer to the exhibit. At the request of the customer, an engineer from the service provider configures monitoring on the customer Ethernet links. The engineer implements Ethernet O...