300-420 Exam Questions

Which component of the SD-Access fabric is responsible for communicating with networks that are external to the fabric?

What are two characteristics of a migration from an IP-VPN service to a Cisco SD-WAN architecture? (Choose two.)

What does the fabric data plane leverage in SD-Access Architecture?

Refer to the exhibit. A network engineer must design a highly available OSPF solution based on these requirements: - Traffic disruptions caused by link or node failures in Area-1 m...

Refer to the exhibit. An engineer is designing a hierarchical ISIS solution for an enterprise customer with these requirements: - Users in areas 25 and 55 send and receive traffic...

Refer to the exhibit. An architect is designing a Layer 3 campus network. The design must hide network instability, reduce network overhead, and conserve critical device memory. Wh...

Refer to the exhibit. Which two points in the network must an engineer configure the ports for explicit trust when using a DiffServ model?

What are two advantages of the Cisco SD-WAN technology? (Choose two.)

Refer to the exhibit. Which process does the Ethernet LMI protocol follow that is defined by the MEF 16 Technical Specification?

A company has many spoke sites with two data centers. The company wants to exchange the routing information between the data centers and the spoke sites using EIGRP. All locations...

What is a feature of the SaaS subscription model?

Refer to the exhibit. An engineer is designing an OSPF solution with these requirements: - NMS server will manage R5 and R6. - Upon failure of R1, all NMS traffic should be routed...

What is the purpose of the RPF check in multicast routing?

An engineer is designing a networking solution to allow two hosts to communicate-one host located within the company A network and the other within the company B network. The two c...

An architect is designing a connectivity solution for a customer's two small branch offices. The customer wants a cost-effective design, no routing overhead, and some down time dur...

A company wants to switch from static to dynamic routing. The branches use DMVPN back to the hub using two internet connections. One internet connection speed is 10 Mbps, and the o...

Which feature of Cisco SD-WAN Secure Direct Cloud Access divides user traffic into different zones and VPNs or VRFs?

A company wants to deploy IPv6 within its existing network infrastructure. All current infrastructure equipment supports IPv6, and the company wants a migration strategy that must...

An engineer is designing a QoS solution for a customer. The customer's internet connection has a bandwidth of 10 Mbps. The design must ensure that traffic bursts of data do not exc...

An architect is designing a network for an enterprise site. The design must use an active/backup design for the WAN. It must guarantee the SLA for several applications regardless o...

Which security functionality does gRPC provide?

An engineer working for a service provider with an employee ID: 4604:68:004 prepared several designs for a traditional campus network. The design must allow the deployment of the s...

When differentiating between IETF, OpenConfig, and Cisco native YANG models, how does the use of containers differ?

Refer to the exhibit. A Cisco Catalyst switch is configured to allow only one MAC address to be learned manually on interface gig0/2. Which command must be run to dynamically learn...

Refer to the exhibit. A customer is planning to deploy a new branch in New York. The new office will not exceed 1024 users. Which subnet must be used to provide maximum number of h...

Refer to the exhibit. An architect is designing an ISIS network for a customer migrating from IPv4 to IPv6. The current network uses narrow metrics, and the IPv6 areas will increas...

Refer to the exhibit. Currently the network uses a single-homed solution for connecting to the internet. An engineer must design a more resilient WAN using the internet circuits at...

A company's branch location uses redundant routers and links for connectivity to the headquarters. Also, to use the entire available bandwidth, the branch uses a dynamic routing pr...

Refer to the exhibit. An architect is designing a network that requires route redistribution. The design must prevent route feedback and the creation of routing loops. The OSPF dom...

Refer to the exhibit. A network engineer working for a private service provider with an employee ID: 1234:56:789 must design a BGP solution based on: - All traffic originating from...

Refer to the exhibit. An architect designs a BGP policy for a customer that requires load sharing of the links that connect with the upstream service provider. The customer has the...

A network engineer prepares a script to configure a loopback interface with IP address 172.16.15.12/32. To comply with the company security policies, 'Content-type': 'application/y...

Refer to the exhibit. An architect must design an OSPF solution for an enterprise customer. The design must meet these requirements: - Limit the link flap impact to Area-1 and Area...

Which two LISP components are required in the Cisco SD-Access fabric control plane node? (Choose two.)

Which AES mode should be used in a Cisco SD-WAN environment that includes multicast applications?

Refer to the exhibit. An engineer must connect the IPv6 island to the IPv4-only network to provide IPv6 hosts access to file servers and DNS services in the IPv4 network. Which NAT...

An engineer is designing a QoS solution for a campus. The design must guarantee real-time traffic delivery during congestion, minimize the bandwidth consumption for possible virus...

Refer to the exhibit. An engineer proposed this solution for a company that requires a loop-free, Layer 2 network design. The network will run 802.1w, and all links will be 1 Gbps....

What are two purposes of the RPF check in multicast routing? (Choose two.)

A customer requires QoS to support multimedia conferencing over MPLS. The network architect chooses to use per-hop behavior. Which solution must the architect use to classify and m...

Which two functions is the Cisco SD-Access Border Node responsible for? (Choose two.)

An engineer must establish a direct connection between two remote offices. The new connection must be established using a logical path, share a common broadcast domain, connect ove...

A customer plans to deploy WoL in the enterprise with these high-level design requirements: - DHCP services must be available - Clients BIOS settings must be set for WoL - Clients...

Drag and Drop Question Drag and drop the Cisco SD-WAN components from the left onto their definitions on the right. Answer:

Refer to the exhibit. Due to budget constraints, a customer decided to purchase WAN routers with one LAN and one WAN interface per device. There is a requirement to connect the thr...

In Cisco SD-Access, virtual networks create segmentation that allows for separation of users and resources. How is this type of segmentation described?

What is the purpose of service routes in OMP updates?

Refer to the exhibit. A company specializing in VoD content creation has two offices in a separate multicast domain connected by a WAN link. BGP communication has been established...

A network architect is enabling TV services in the LAN. The source will be streaming to the 239.1.1.1 group IP address. Dense mode is not allowed in the network. Multicast has alre...

Refer to the exhibit. An architect is designing an ISIS solution with these requirements: - The backbone area will grow to 50 routers in the next 12 months. - Routers A1 and A2 mus...