300-420 Exam Questions

Refer to the exhibit. Area 10 is a regular OSPF area and networks 10.1.1.0/24 and 172.16.1.0/24 are internal. Which design provides optimal routing between both networks when the l...

An architect is creating a migration strategy for a large organization in which the choice made by the application between IPv6 and IPv4 is based on the DNS request. Which migratio...

Refer to the exhibit. An engineer is designing an OSPF network for a client. Requirements dictate that the routers in Area 1 should receive all routes belonging to the network, inc...

An engineer must propose a solution for a campus network that includes the capability to create multiple Layer 3 virtual networks. Each network must have its own addressing structu...

Refer to the exhibit. Which two solutions maximize the use of the links between the core and distribution layers? (Choose two.)

An engineer is tasked with designing a dual BGP peering solution with a service provider. The design must meet these conditions: - The routers will not learn any prefix with a subn...

An engineer is designing an EIGRP network for a small branch site where there is only one Layer 3 router. The engineer wants the router to advertise the local LAN network to remote...

A network engineer is redesigning a company's QoS solution. The company is currently using IP Precedence, but the engineer plans to move to DiffServ. It is important that the new s...

A customer's current Layer 2 infrastructure is running Spanning Tree 802.1d, and all configuration changes are manually implemented on each switch. An architect must redesign the L...

How is sub-second failure of a transport link detected in a Cisco SD-WAN network?

Refer to the exhibit. An architect must design a solution to connect the network behind R3 with the EIGRP network. Which mechanism should be included to avoid routing loops?

Drag and Drop Question An engineer must design an addressing plan for a small business using a single /24 network. Each department must have its own subnet. Drag and drop the subne...

Drag and Drop Question Drag and drop the characteristics from the left onto the Yang model they describe on the right. Answer:

Drag and Drop Question Drag and drop the model driven telemetry characteristics from the left onto the mode they belong to on the right. Answer:

A customer has several remote sites connected with their headquarters through microwave links. An engineer must propose a backup WAN solution based on these conditions: Which backu...

How is internet access provided to a WAN edge router that is connected to a MPLS transport link?

A network engineer must segregate three interconnected campus networks using IS-IS routing. A two-layer hierarchy must be used to support large routing domains and to avoid more sp...

Refer to the exhibit. All routers currently reside in OSPF area 0. The network manager recently used R1 and R2 as aggregation routers for remote branch locations and R3 and R4 for...

Which component of Cisco SD-Access integrates with Cisco DNA Center to perform policy segmentation and enforcement through the use of security group access control lists and securi...

What is the role of a control-plane node in a Cisco SD-Access architecture?

How is end-to-end microsegmentation enforced in a Cisco SD-Access architecture?

Which two border nodes are available in the Cisco SD-Access architecture? (Choose two.)

An engineer is upgrading a company's main site to include a connection to a second ISP. The company will receive full Internet routing tables from both ISPs via BGP. The engineer m...

Which two functions are provided by the Cisco SD-WAN orchestration plane? (Choose two.)

A large chain of stores currently uses MPLS-based T1 lines to connect their stores to their data center. An architect must design a new solution to improve availability and reduce...

Which two techniques improve the application experience in a Cisco SD-WAN design? (Choose two.)

How is redundancy achieved among Cisco vBond Orchestrators in a Cisco SD-WAN deployment?

Which PIM mode uses a shared tree only?

Which design element should an engineer consider when multicast is included in a Cisco SD- Access architecture?

What is the function of the multicast Reverse Path Forwarding check?

A customer's environment includes hosts that support IPv6-only. Several of these hosts must communicate with a public web server that has only IPv4 domain name resolution. Which so...

Refer to the exhibit. An engineer must design an automatic failover solution. The solution should allow HSRP to detect a WAN 1 failure and initiate an automatic failover, making ro...

An architect must address sustained congestion on the access and distribution uplink of network. QoS has already been implemented and optimized, but it is no longer effective in en...

Refer to the exhibit. The connection between SW2 and SW3 is fiber and occasionally experiences unidirectional link failure. An architect must optimize the network to reduce the cha...

Refer to the exhibit. The distribution switches serve as the layer 3 boundary. HSRP preemption is enabled. When the primary switch comes back after a failure, traffic is initially...

Refer to the exhibit. A customer needs to apply QoS to the network management traffic passing through the GigabitEthernet0/2 interface. All eight queuing classes are in use, so the...

A customer requests a VPN solution to connect multiple sites with the company headquarters. All the sites use the same IP subnet. The engineer plans to use VPLS. Which solutions mu...

What is the purpose of a Cisco SD-Access underlay network?

Refer to the exhibit. An architect is designing a BGP solution to connect a remote branch to a service provider. There are several prefixes within the branch that the company does...

An engineer must design an in-band management solution for a customer with branch sites. The solution must allow remote management of the branch sites using management protocols ov...

How are wireless endpoints registered in the HTDB in a Cisco SD-Access architecture?

Which type of rendezvous point deployment is standards-based and support dynamic RP discovery?

What is the purpose of a control plane node in a Cisco SD-Access network fabric?

A company must automate a set of complex changes aligned with DR testing in the network. These changes are specific, and the DR playbook will be adjusted in the future. The playboo...

An engineer uses Postman and YANG to configure a router with: - OSPF process ID 100 - network 10.10.10.0/28 enabled for Area 0 Which get-config replay verifies that the model set w...

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

Drag and Drop Question Drag and drop the properties from the left onto the Cisco SD-WAN components that perform them on the right. Answer:

Drag and Drop Question Drag and drop the descriptions from the left onto the Cisco SD-WAN component they describe on the right. Answer:

Drag and Drop Question Drag and drop the description from the left onto the corresponding WAN connectivity types and categories on the right. Answer:

Drag and Drop Question Drag and drop the characteristics from the left onto the YANG modules they describe on the right. Not all options are used. Answer: