300-420 Exam Questions

Which routes does the overlay management protocol advertise in an SD-WAN overlay?

A network solution is being designed for a company that connects to multiple Internet service providers. Which Cisco proprietary BGP path attribute will influence outbound traffic...

Refer to the exhibit. EIGRP has been configured on all links. The spoke nodes have been configured as EIGRP stubs, and the WAN links to R3 have higher bandwidth and lower delay tha...

A company is using OSPF between its HQ location and a branch office. HQ is assigned area 0 and the branch office is assigned area 1. The company purchases a second branch office, b...

An engineer must design a multicast network for a financial application. Most of the multicast sources also receive multicast traffic (many-to-many deployment model). To better sca...

An engineer is working for a large cable TV provider that requires multiple sources streaming video on different channels using multicast with no rendezvous point. Which multicast...

What are two valid scaling techniques when an EIGRP network is designed that consists of more than 1000 routers? (Choose two.)

A customer with an IPv4 only network topology wants to enable IPv6 connectivity while preserving the IPv4 topology services. The customer plans to migrate IPv4 services to the IPv6...

A company with multiple service providers wants to speed up BGP convergence time in the event a failure occurs with their primary link. Which approach achieves this goal and does n...

When designing interdomain multicast, which two protocols are deployed to achieve communication between multicast sources and receivers? (Choose two.)

A branch office has a primary L3VPN MPLS connection back to the main office and an IPSEC VPN tunnel that serves as backup. Which design ensures that data is sent over the backup co...

Company A recently acquired another company. Users of the newly acquired company must be able to access a server that exists on Company A's network, both companies use overlapping...

In an SD-WAN architecture, which methods are used to bootstrap a vEdge router?

Which two statements about VRRP advertisements are true? (Choose two.)

Which common issue causes intermittent DMVPN tunnel flaps?

Which two statements about VRRP object tracking are true? (Choose two)

Which solution allows overlay VNs to communicate with each other in an SD-WAN Architecture?

An engineer must design a VPN solution for a company that has multiple branches connecting to a main office. What are two advantages of using DMVPN instead of IPsec tunnels to acco...

Which NETCONF operation creates filtering that is specific to the session notifications?

An enterprise customer has these requirements: - end-to-end QoS for the business-critical applications and VoIP services based on CoS marking. - flexibility to offer services such...

What is a benefit of using VRRPv3 as compared to VRRPv2?

A customer is discussing QoS requirements with a network consultant. The customer has specified that endto-end path verification is a requirement. Which QoS solution meets this req...

Which nonproprietary mechanism can be used to automate rendezvous point distribution in a large PIM domain?

Which two best practices must be followed when designing an out-of-band management network? (Choose two.)

Refer to the exhibit. An engineer must optimize the traffic flow of the network. Which change provides a more efficient design between the access and the distribution layer?

When a first hop redundancy solution is designed, which protocol ensures that load balancing occurs over multiple routers using a single virtual IP address and multiple virtual MAC...

Which two routing protocols allow for unequal cost load balancing? (Choose two.)

Which two steps can be taken to improve convergence in an OSPF network? (Choose two.)

A network administrator is troubleshooting a DMVPN setup between the hub and the spoke. Which action should the administrator take before troubleshooting the IPsec configuration?

Which two options can you use to configure an EIGRP stub router? (Choose two)

At which layer does Cisco Express Forwarding use adjacency tables to populate addressing information?

Which design consideration should be observed when EIGRP is configured on Data Center switches?

Which design consideration must be made when using IPv6 overlay tunnels?

When a network is designed using IS-IS protocol, which two circuit types are supported? (Choose two.)

What is an advantage of designing an out-of-band network management solution?

An engineer must propose a QoS architecture model that allows an application to inform the network of its traffic profile and to request a particular type of service to support its...

Drag and Drop Question Drag and drop the properties from the left onto the protocols they describe on the right. Answer:

Drag and Drop Question Drag and drop the characteristics from the left onto the correct telemetry mode on the right. Answer:

Refer to the exhibit. Which solution decreases the EIGRP convergence time?

A router running ISIS is showing high CPU and bandwidth utilization. An engineer discovers that the router is configured as L1/L2 and has L1 and L2 neighbors. Which step optimizes...

A network engineer must connect two sites across a public network using a secure tunneling technology that supports multicast traffic. Which technology must be chosen?

Which control-plane technology allows the same subnet to exist across multiple network locations?

Which two statements describe source trees in a multicast environment? (Choose two.)

Which of the following are valid methods of VRRP authentication? (Choose three.)

Which three basic types of SD-WAN deployments are out on the market? (Choose three.)

Which two statements about VRRP are true? (Choose two.)

What following parameters for the EIGRP authentication need to match in order for EIGRP neighbors to establish a neighbor relationship?

Which feature must be incorporated into the campus LAN design to enable Wake on LAN?

Which function are fabric intermediate nodes responsible for in an SD-Access Architecture?

An engineer is designing a QoS policy that queues excess packets for later transmission. Which mechanism must be included in the design?