300-420 Exam Questions
421 real 300-420 exam questions with expert-verified answers and explanations. Page 7 of 9.
- Question #303Advanced Enterprise Campus Networks
Which component of the SD-Access fabric is responsible for communicating with networks that are external to the fabric?
SD-AccessBorder NodeFabric ArchitectureExternal Connectivity - Question #304WAN for Enterprise Networks
What are two characteristics of a migration from an IP-VPN service to a Cisco SD-WAN architecture? (Choose two.)
SD-WANNetwork MigrationPolicy ManagementScalability - Question #305Advanced Enterprise Campus Networks
What does the fabric data plane leverage in SD-Access Architecture?
SD-AccessFabric Data PlaneVXLANMAC-in-IP Encapsulation - Question #306Advanced Addressing and Routing Solutions
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...
BFDOSPFFast ConvergenceHigh Availability - Question #307Advanced Addressing and Routing Solutions
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...
IS-ISHierarchical RoutingNetwork DesignLink-state Routing - Question #308Advanced Enterprise Campus Networks
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...
Route SummarizationDefault RoutingHierarchical Network DesignCampus Network Design - Question #309Advanced Enterprise Campus Networks
Refer to the exhibit. Which two points in the network must an engineer configure the ports for explicit trust when using a DiffServ model?
QoSDiffServTrust BoundaryDSCP - Question #310WAN for Enterprise Networks
What are two advantages of the Cisco SD-WAN technology? (Choose two.)
Cisco SD-WANSD-WAN advantagesApplication experienceCloud connectivity optimization - Question #311WAN for Enterprise Networks
Refer to the exhibit. Which process does the Ethernet LMI protocol follow that is defined by the MEF 16 Technical Specification?
Ethernet LMIMEF 16EVCWAN services - Question #312Advanced Addressing and Routing Solutions
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...
EIGRPRoute SummarizationHub-and-SpokeEIGRP Stub - Question #313Network Services
What is a feature of the SaaS subscription model?
SaaSCloud ComputingSubscription ModelCost Savings - Question #314Advanced Addressing and Routing Solutions
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...
OSPFRoute RedistributionNetwork RedundancyHigh Availability - Question #315Advanced Addressing and Routing Solutions
What is the purpose of the RPF check in multicast routing?
Multicast RoutingRPFPacket ForwardingLoop Prevention - Question #316WAN for Enterprise Networks
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...
IPsec VPNStatic RoutingWAN ConnectivityNetwork Design - Question #317WAN for Enterprise Networks
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...
WAN connectivityBranch office designNetwork design principlesRedundancy levels - Question #318WAN for Enterprise Networks
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...
EIGRPDMVPNStub RoutingUnequal Cost Load Balancing - Question #319WAN for Enterprise Networks
Which feature of Cisco SD-WAN Secure Direct Cloud Access divides user traffic into different zones and VPNs or VRFs?
SD-WANSecure Direct Cloud AccessSegmentationVRF - Question #320Advanced Addressing and Routing Solutions
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...
IPv6 migrationDual-stackNetwork designIPv6 transition mechanisms - Question #321WAN for Enterprise Networks
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...
QoSTraffic ShapingTraffic PolicingWAN Edge - Question #322WAN for Enterprise Networks
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...
WAN DesignMPLS VPNSLAActive/Backup - Question #323Automation
Which security functionality does gRPC provide?
gRPCTLSNetwork SecurityAutomation API - Question #324Advanced Enterprise Campus Networks
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...
Campus Network DesignHigh AvailabilityResilienceLayer 2 Technologies - Question #325Automation
When differentiating between IETF, OpenConfig, and Cisco native YANG models, how does the use of containers differ?
YANG ModelsOpenConfigIETF ModelsCisco Native Models - Question #326Advanced Enterprise Campus Networks
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...
Port SecurityMAC Address LearningSwitch SecuritySticky MAC - Question #327Advanced Addressing and Routing Solutions
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...
SubnettingIP AddressingCIDRNetwork Design - Question #328Advanced Addressing and Routing Solutions
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...
ISISIPv6 MigrationMulti-TopologyMetric Style - Question #329WAN for Enterprise Networks
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...
SD-WANWAN DesignNetwork ResilienceTraffic Load Balancing - Question #330Advanced Addressing and Routing Solutions
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...
Multicast RoutingPIMRPF CheckNetwork Design - Question #331Advanced Addressing and Routing Solutions
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...
Route RedistributionRouting Loop PreventionOSPFIS-IS - Question #332Advanced Addressing and Routing Solutions
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...
BGP Path AttributesAS-PATH PrependingBGP Traffic EngineeringNetwork Redundancy - Question #333WAN for Enterprise Networks
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...
BGPAS-Path PrependTraffic EngineeringWAN Routing - Question #334Automation
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...
Network AutomationYANG Data ModelsRESTCONFSecure Communication - Question #335Advanced Addressing and Routing Solutions
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...
OSPF DesignRoute SummarizationStub NetworksOSPF Throttling - Question #336Advanced Addressing and Routing Solutions
Which two LISP components are required in the Cisco SD-Access fabric control plane node? (Choose two.)
LISPSD-AccessControl PlaneNetwork Virtualization - Question #337WAN for Enterprise Networks
Which AES mode should be used in a Cisco SD-WAN environment that includes multicast applications?
SD-WAN SecurityAES ModesMulticastEncryption Protocols - Question #338Advanced Addressing and Routing Solutions
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...
IPv6-IPv4 TranslationNAT-PTDynamic NATNetwork Interoperability - Question #339Advanced Enterprise Campus Networks
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...
QoSCampus Network DesignQueuing PoliciesTraffic Management - Question #340Advanced Enterprise Campus Networks
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....
RSTPSpanning Tree ProtocolLayer 2 DesignNetwork Redundancy - Question #341Advanced Addressing and Routing Solutions
What are two purposes of the RPF check in multicast routing? (Choose two.)
Multicast RoutingRPF CheckPacket ForwardingLoop Prevention - Question #342WAN for Enterprise Networks
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...
QoS MarkingDSCP AF4WREDMultimedia QoS - Question #343Advanced Enterprise Campus Networks
Which two functions is the Cisco SD-Access Border Node responsible for? (Choose two.)
SD-AccessBorder NodeLISPEID - Question #344WAN for Enterprise Networks
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...
L2VPNWAN ConnectivityBroadcast DomainVPN Technologies - Question #345Network Services
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...
WoLDHCPIP HelperDirected Broadcast - Question #346WAN for Enterprise Networks
Drag and Drop Question Drag and drop the Cisco SD-WAN components from the left onto their definitions on the right. Answer:
Cisco SD-WANSD-WAN ArchitectureSD-WAN ComponentsWAN Technologies - Question #347WAN for Enterprise Networks
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...
WAN designHub-and-spokeNetwork topologyHigh availability - Question #348Advanced Enterprise Campus Networks
In Cisco SD-Access, virtual networks create segmentation that allows for separation of users and resources. How is this type of segmentation described?
SD-AccessVirtual NetworksSegmentationMacro-segmentation - Question #349Network Services
What is the purpose of service routes in OMP updates?
SD-WANOMPService RoutesService Insertion - Question #350Advanced Addressing and Routing Solutions
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...
Multicast RoutingMSDPInter-domain MulticastRouting Protocols - Question #351Advanced Addressing and Routing Solutions
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...
Multicast RoutingPIM SSMNetwork DesignPIM Modes - Question #352Advanced Addressing and Routing Solutions
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...
ISIS routingArea designL1/L2 routingRoute leaking