300-420 Exam Questions

An engineer must design a management network that enables SSH, NTP, FTP, and SNMP over the production network. The design requires the management of routers and switches that exist...

A network engineer must design a multicast solution to prevent the spoofing of multicast streams and ensure efficient bandwidth utilization. The network will be merged with another...

Refer to the exhibit. An engineer is designing a Layer 2 campus network. The design must support fast convergence and leverage as much bandwidth as possible between layers. Distrib...

Which queuing structure is used on SD-WAN Edge routers?

Since installing a cisco TelePresence system, the company is experiencing other application having response issues when the system in use. As a result, the company asked an archite...

A company plans to transition to IPv6. They will link their IPv4 addresses to the lowest significant bits of the new Ipv6 addresses. A network administrator with an employee id: 42...

An engineer must peer with an ISP for internet connectivity using BGP, initially, the engineer wants to receive only specific prefixes from the ISP and a default route. However, th...

Drag and Drop Question Drag and drop the steps WAN Edge performs when on-boarded into the Cisco SD-WAN overlay from the left into the order they are completed on the right. Answer:

Refer to the exhibit. A customer experienced an unexpected network outage when the link between R1 and R2 went down. An architect must design a solution to ensure network continuit...

Refer to the exhibit. An architect is developing a solution to consolidate networks while retaining device redundancy. The routing protocol for the WAN routers must be open standar...

Refer to the exhibit. An architect is designing a network for a customer supporting a Wake-on- LAN application. Which solution must the architect choose?

Refer to the exhibit. An architect must design an IPv6 migration solution for an enterprise customer to support these requirements: - Clients will transition to the new IPv6 networ...

An engineer is designing an IPv4 addressing plan for an enterprise with 1000 branches. Each branch requires a prefix for data and a prefix for voice. Each prefix must accommodate u...

An engineer is designing a PIM Anycast RP solution between two data centers. The design must ensure that RP1 in DC1 and RP2 in DC2 inform each other about specific sources that hav...

An engineer is designing a BGP network for a large customer. To permit efficient scaling, the BGP domain is split into clusters. Which peering solution should be used between the r...

A customer reports that each time a networking component fails, OSPF recalculates the backup path, with causes a short outage. Which solution must the customer implement to improve...

A network engineer must design an MSDP multicast solution to provide RP resilience in a network with two separate domains. Also, multicast sources and receivers must register with...

Refer to the exhibit. The failover time of ISP-2 is significantly shorter than ISP-1 when an interface on the ISP router toward the campus network fails. Which solution minimizes t...

Refer to the exhibit. An architect is designing an EIGRP solution based on these requirements: - Traffic forwarding should use the best two paths while all links are available - Si...

Which two overlay network design considerations must be made for a Cisco SD-Access network? (Choose two.)

Refer to the exhibit. An architect is designing a routing solution for a company. The new design will add a circuit routers C and D to protect against loss of connectivity to 10.0....

Drag and Drop Question Drag and drop the elements from the left onto the protocols where they are used on the right. Answer:

An architect must design an IPv6 migration solution for a corporation with remote offices to support: - The customer has IPv4 peering with their service provider. - IPv6 users need...

A company uses cloud-based applications for voice and video calls, file sharing, content sharing, and messaging. During business hours, these applications randomly become slow and...

Drag and Drop Question Drag and drop the model-driven telemetry considerations from the left onto the modes they apply to on the right. Answer:

Which design achieves SD-WAN control plane redundancy?

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

A company needs to increase access port capacity on one floor of a building. They want to leverage the existing catalyst access switch. There is no problem with uplink bandwidth ca...

In a cisco SD-Access brownfield deployment scenario, which configuration deployment must be taken with Cisco DNA center?

Refer to the exhibit. A network engineer must design a multicast solution based on: - Many-to-many communications between the users and sources - Support of up to 50 multicast sour...

Refer to the exhibit. An architect is designing a hierarchical ISIS solution for a customer with these requirements: - Routers will double in all areas within the next 24 months. -...

An engineer must design a routing solution for a company that is single-homed to an ISP. The company's goal is to run BGP between the CE and the PE devices. To support running BGP,...

Refer to the exhibit. An engineer is designing a multicampus Layer 3 infrastructure using EIGRP as the routing protocol. The design must provide quick replies to queries in the eve...

Refer to the exhibit. An engineer is planning an IPv4 to IPv6 migration solution for a customer. The routers in the network can support IPv4 and IPv6, except for the DWDM routers....

Refer to the exhibit. An architect must design a solution to connect bank site A with bank site B and support: - network operation center monitoring end-to-end L3VPN and L2VPN traf...

Refer to the exhibit. An engineer must design an address translation solution to provide internet connectivity for the corporate network. The design is restricted to the 172.16.168...

Refer to the exhibit. A network engineer must design a BGP solution based on: - The route reflector must have one or more direct physical connections to the core routers (R3 and R4...

Refer to the exhibit. An engineer is designing a redistribution solution for a customer. The customer recently acquired another company and decided to Integrate the new network run...

Refer to the exhibit. A network engineer with an employee ID: 4433:77:420 must design a BGP solution based on these conditions: - Traffic sessions occur between the branches and th...

Which function does the Cisco SD-Access intermediate node perform?

In a Cisco SD-Access fabric, which node facilitates connectivity between the fabric and networks external to the fabric?

Which information update is earned by OMP and enables the Cisco SD-WAN to build a secure overlay fabric on top of any public or private transport without regard for the actual link...

Which WAN connectivity technology is optimal for edge computing compared to others and why?

What is the purpose of a TLOC extension in a Cisco SD-WAN network fabric?

An engineer must design a management network for a customer's enterprise network. The design must: - provide the ability to grant and revoke access privileges - allow only protocol...

Which function do reverse path forwarding mechanisms perform in a multicast deployment?

How does a model-driven telemetry dial-out approach function?

Drag and Drop Question Drag and drop the types of WAN connectivity from the left onto the connectivity use cases on the right. Answer:

Refer to the exhibit. Which method must an architect use to provide connectivity between the mail servers?

A network engineer must optimize a campus OSPF deployment. Currently, each time a type 1 or type 2 LSA is generated within an area, the OSPF process must recompute the entire SPT....