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300-420 Free Exam Questions & Answers | SPOTO Practice Exams

Preparing for the Cisco 300-420 exam can be a daunting task, but using free exam questions and answers can significantly boost your confidence and readiness. Accessing real test questions and answers helps you become familiar with the types of questions you’ll encounter on the actual exam. Practice exams provide a simulated test environment, ensuring you are comfortable with the exam format and timing. Exam practice questions allow you to test your knowledge and identify areas that need more focus. Investing time in certification practice tests and exam preparation materials is essential for success, helping you gain the skills and knowledge necessary to pass the Cisco 300-420 exam. Make use of these free resources to enhance your preparation and improve your chances of passing on the first attempt.
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Question #1
An engineer must connect a new remote site to an existing OSPF network. The new site consists of two low-end routers, one for WAN, and one for LAN. There is no demand for traffic to pass through this area. Which area type does the engineer choose to provide minimal router resource utilization, while still allowing for full connectivity to the rest of the network?
A. ot so stubby
B. otally not so stubby
C. otally stubby area
D. tubby are
View answer
Correct Answer: C
Question #2
An architect must develop a campus network solution that includes:logically segmented and isolated networksability to communicate between network segments when requiredsupport for overlapping IP addresseswidely available technologies to avoid purchasing specialized equipment Which solution must the architect select?
A. PC with HSRP
B. 02
C. RF-Lite with OSPF
D. SS with IG
View answer
Correct Answer: C
Question #3
How is Internet access provided to a WAN Edge router that is connected to a MPLS transport link?
A. MP advertises a default route from a WAN Edge router that is connected to the MPLS and Internet transport networks
B. LOC extensions are used to route traffic to a WAN Edge router that is connected to the Internet transport network
C. n extranet must be provided in the MPLS transport network to allow private traffic to reach the public Internet
D. nternet access must be provided at the WAN Edge router through either a 4G/5G link or local Internet circuit
View answer
Correct Answer: B
Question #4
Which type of rendezvous point deployment is standards-based and supports dynamic RP discovery?
A. tatic RP
B. nycast-RP
C. ootstrap router
D. uto-R
View answer
Correct Answer: C
Question #5
An engineer must design a QoS solution for a customer that is connected to an ISP over a 1Gbps link with a 100Mbps CIR. The ISP aggressively drops all traffic received over the CIR, which is causing numerous TCP retransmissions. The customer is not using any RTP applications but wants to maximize bandwidth usage up to the CIR. Which QoS solution should the engineer choose?
A. olicer with markdown
B. raffic shaping
C. ueuing
D. olicin
View answer
Correct Answer: B
Question #6
A client is moving to Model-Driven Telemetry and requires periodic updates. What must the network architect consider with this design?
A. pdates that contain changes within the data are sent only when changes occur
B. mpty data subscriptions do not generate empty update notifications
C. he primary push update is sent immediately and cannot be delayed
D. eriodic updates include a full copy of the data that is subscribed to
View answer
Correct Answer: D
Question #7
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 unresponsive. However, other applications work smoothly with the current applied QoS policies. Which solution must the company choose to resolve the issue?
A. dentify the port used by each application and apply a minimum bandwidth guarantee
B. dentify the application ports, create groupings, and rate-limit the required bandwidth
C. dentify the applications and reserve the required bandwidth on the perimeter routers
D. dentify the applications with NBAR2 and allocate the required bandwidth accordingly
View answer
Correct Answer: D
Question #8
Which design element should an engineer consider when multicast is included in a Cisco SD-Access architecture?
A. ulticast traffic is transported in the overlay and the EID space for wired and wireless clients
B. endezvous points must be used in a PIM SSM deployment
C. IM SSM must run in the underlay
D. ulticast clients reside in the underlay, and the multicast source is outside the fabric or in the overlay
View answer
Correct Answer: A
Question #9
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 up to 128 hosts, and prefixes must facilitate summarization at aggregation points in the network. The security team requires a simple method for identifying voice prefixes. Which allocation does the engineer recommend from the RFC1918 address space?
A. 24 prefixes for data from 10
B. 24 prefixes for data from 10
C. 25 prefixes for data from 10
D. 24 prefixes for data from 10
View answer
Correct Answer: A
Question #10
An existing network solution is using BFD in echo mode.Several of the network devices are experiencing high CPU utilization, which an engineer has determined is related to the BFD feature. Which solution should the engineer leverage to reduce the CPU load?
A. mplement slow timers between peers with low CPU resources
B. nable BFD multi-hop on the devices with low CPU resources
C. tilize carrier delay on all routers in the network
D. mplement BFD asynchronous mode between peers with low CPU resources
View answer
Correct Answer: A
Question #11
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 across different networks. Which feature must the design include?
A. erminal server
B. anagement Plane Protection
C. edicated management console connection per device
D. edicated management VRF connection per devic
View answer
Correct Answer: B
Question #12
A company's security policy requires that all connections between sites be encrypted in a manner that does not require maintenance of permanent tunnels. The sites are connected through a private MPLS-based service that uses a dynamically changing key and spoke-to-spoke communication. Which type of transport encryption must be used in this environment?
A. ETVPN
B. MVPN
C. tandard IPsec VPN
D. RE VP
View answer
Correct Answer: A
Question #13
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 route reflectors in different clusters for the BGP routes to be propagated appropriately?
A. he route reflectors should be nonclients with regards to each other
B. he route reflectors should not have any kind of BGP peering
C. he route reflectors should have peering through another nonclient router
D. he route reflectors should be made clients of each other
View answer
Correct Answer: A
Question #14
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 have joined locally. Which solution must the engineer choose?
A. nable MSDP between RPs using the configured Anycast RP address
B. o action is required because PIM registers from the source will, by default, reach each RP
C. nable MSDP between RPs using separate unique loopback interfaces
D. rovision the RPs on the same IP subnet and extend the subnet at Layer 2 between data centers
View answer
Correct Answer: C
Question #15
An engineer must design a QoS solution for a customer. The network currently supports data only, but the customer will roll out VoIP and IP video in conjunction with the new QoS solution. The engineer plans to use DiffServ. To ensure priority for voice services, which model must the design include?
A. -class model
B. -class model
C. -class model
D. 2-class mode
View answer
Correct Answer: C
Question #16
Which PIM mode uses a shared tree only?
A. idirectional
B. parse
C. ource-specific
D. ens
View answer
Correct Answer: A
Question #17
Which feature is used to optimize WAN bandwidth of IGMP network traffic among WAN Edge routers in the same VPN?
A. ulticast service routes
B. ulticast RP
C. GMPv2
D. ulticast-replicato
View answer
Correct Answer: D
Question #18
An engineer is designing a network for a customer running a wireless network with a common VLAN for all APs. The customer is experiencing unicast flooding in the Layer 2 network between the aggregation and access layers. The customer wants to reduce the flooding and improve convergence time. Which solution meets these requirements?
A. igrate all APs to a common Layer 2 access layer switch and run Layer 3 from the aggregation layer to all remaining access layer switches
B. lign HSRP primary and STP root bridges if the APs cannot run on separate VLANs
C. igrate to a Layer 3 access campus design if the APs can run on separate VLANs
D. lign HSRP primary and STP root bridges and reduce ARP timers to match CAM timers on the aggregation layer switches
View answer
Correct Answer: D
Question #19
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 access to IPv4 and IPv6 resources.Existing content providers will migrate to IPv6 in the next two years.Users will be migrated in a phase-by-phase approach.Which migration solution must the architect choose?
A. ual-stack
B. AT46
C. unneling
D. AT6
View answer
Correct Answer: A
Question #20
Which node performs the LISP Map-Server and Map-Resolver functions in the Cisco SD-Access network architecture?
A. ontrol plane node
B. abric edge node
C. order node
D. ntermediate nod
View answer
Correct Answer: A
Question #21
An engineer must connect a new remote site to an existing OSPF network. The new site consists of two low-end routers, one for WAN, and one for LAN. There is no demand for traffic to pass through this area. Which area type does the engineer choose to provide minimal router resource utilization, while still allowing for full connectivity to the rest of the network?
A. ot so stubby
B. otally not so stubby
C. otally stubby area
D. tubby are
View answer
Correct Answer: C
Question #22
An architect must develop a campus network solution that includes:logically segmented and isolated networksability to communicate between network segments when requiredsupport for overlapping IP addresseswidely available technologies to avoid purchasing specialized equipment Which solution must the architect select?
A. PC with HSRP
B. 02
C. RF-Lite with OSPF
D. SS with IG
View answer
Correct Answer: C
Question #23
How is Internet access provided to a WAN Edge router that is connected to a MPLS transport link?
A. MP advertises a default route from a WAN Edge router that is connected to the MPLS and Internet transport networks
B. LOC extensions are used to route traffic to a WAN Edge router that is connected to the Internet transport network
C. n extranet must be provided in the MPLS transport network to allow private traffic to reach the public Internet
D. nternet access must be provided at the WAN Edge router through either a 4G/5G link or local Internet circuit
View answer
Correct Answer: B
Question #24
Which type of rendezvous point deployment is standards-based and supports dynamic RP discovery?
A. tatic RP
B. nycast-RP
C. ootstrap router
D. uto-R
View answer
Correct Answer: C
Question #25
An engineer must design a QoS solution for a customer that is connected to an ISP over a 1Gbps link with a 100Mbps CIR. The ISP aggressively drops all traffic received over the CIR, which is causing numerous TCP retransmissions. The customer is not using any RTP applications but wants to maximize bandwidth usage up to the CIR. Which QoS solution should the engineer choose?
A. olicer with markdown
B. raffic shaping
C. ueuing
D. olicin
View answer
Correct Answer: B
Question #26
A client is moving to Model-Driven Telemetry and requires periodic updates. What must the network architect consider with this design?
A. pdates that contain changes within the data are sent only when changes occur
B. mpty data subscriptions do not generate empty update notifications
C. he primary push update is sent immediately and cannot be delayed
D. eriodic updates include a full copy of the data that is subscribed to
View answer
Correct Answer: D
Question #27
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 unresponsive. However, other applications work smoothly with the current applied QoS policies. Which solution must the company choose to resolve the issue?
A. dentify the port used by each application and apply a minimum bandwidth guarantee
B. dentify the application ports, create groupings, and rate-limit the required bandwidth
C. dentify the applications and reserve the required bandwidth on the perimeter routers
D. dentify the applications with NBAR2 and allocate the required bandwidth accordingly
View answer
Correct Answer: D
Question #28
Which design element should an engineer consider when multicast is included in a Cisco SD-Access architecture?
A. ulticast traffic is transported in the overlay and the EID space for wired and wireless clients
B. endezvous points must be used in a PIM SSM deployment
C. IM SSM must run in the underlay
D. ulticast clients reside in the underlay, and the multicast source is outside the fabric or in the overlay
View answer
Correct Answer: A
Question #29
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 up to 128 hosts, and prefixes must facilitate summarization at aggregation points in the network. The security team requires a simple method for identifying voice prefixes. Which allocation does the engineer recommend from the RFC1918 address space?
A. 24 prefixes for data from 10
B. 24 prefixes for data from 10
C. 25 prefixes for data from 10
D. 24 prefixes for data from 10
View answer
Correct Answer: A

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