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Exam Code: 300-420 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Designing Cisco Enterprise Networks (ENSLD)
Certification Provider: Cisco
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NEW QUESTION 1
A company is running BGP on a single router, which has two connections to the same ISP. Which BGP feature ensures traffic is load balanced across the two links to the ISP?

  • A. Multihop
  • B. Multipath Load Sharing
  • C. Next-Hop Address Tracking
  • D. AS-Path Prepending

Answer: B

NEW QUESTION 2
An engineer is looking for a standards-driven YANG model to manage a multivendor network environment. Which model must the engineer choose?

  • A. Native
  • B. OpenConfig
  • C. IETF
  • D. IEEE NETCONF

Answer: C

NEW QUESTION 3
A customer with an IPv4 only network topology wants to enable IPv6 connectivity while preserving the IPv4 topology services. The customer plans to migrate IPv4 services to the IPv6 topology, then decommission the IPv4 topology. Which topology supports these requirements?

  • A. dual stack
  • B. 6VPE
  • C. 6to4
  • D. NAT64

Answer: A

NEW QUESTION 4
A company is using OSPF between its HQ location and a branch office. HQ is assigned area 0 and the branch office is assigned area 1. The company purchases a second branch office, but due to circuit delays to HQ, it decides to connect the new branch office to the creating branch office as a temporary measure. The new branch office is assigned area 2. Which OSPF configuration enables all three locations to exchange routes?

  • A. The existing branch office must be configured as a stub area
  • B. A virtual link must be configured between the new branch office and HQ
  • C. A sham link must be configured between the new branch office and HQ
  • D. The new branch office must be configured as a stub area

Answer: B

NEW QUESTION 5
An enterprise customer has these requirements:
300-420 dumps exhibit end-to-end QoS for the business-critical applications and VoIP services based on CoS marking.
300-420 dumps exhibit flexibility to offer services such as IPv6 and multicast without any reliance on the service provider.
300-420 dumps exhibit support for full-mesh connectivity at Layer 2.
Which WAN connectivity option meets these requirements?

  • A. VPWS
  • B. MPLS VPN
  • C. DMVPN
  • D. VPLS

Answer: D

NEW QUESTION 6
When designing interdomain multicast, which two protocols are deployed to achieve communication between multicast sources and receivers? (Choose two.)

  • A. IGMPv2
  • B. BIDIR-PIM
  • C. MP-BGP
  • D. MSDP
  • E. MLD

Answer: CD

NEW QUESTION 7
A router running ISIS is showing high CPU and bandwidth utilization. An engineer discovers that the router is configured as L1/L2 and has L1 and L2 neighbors. Which step optimizes the design to address the issue?

  • A. Make this router a DIS for each of the interfaces
  • B. Disable the default behavior of advertising the default route on the L1/L2 router
  • C. Configure the router to be either L1 or L2
  • D. Configure each interface as either L1 or L2 circuit type

Answer: D

NEW QUESTION 8
An organization is designing a detailed QoS plan that limits bandwidth to specific rates. Which two parameters are supported be the traffic policing feature? (Choose two.)

  • A. violating
  • B. marking
  • C. shaping
  • D. bursting
  • E. conforming

Answer: BC

NEW QUESTION 9
Refer to the exhibit.
300-420 dumps exhibit
An engineer must optimize the traffic flow of the network. Which change provides a more efficient design between the access and the distribution layer?

  • A. Add a link between access switch A and access switch B
  • B. Reconfigure the distribution switch A to become the HSRP Active
  • C. Change the link between distribution switch A and distribution switch B to be a routed link
  • D. Create an EtherChannel link between distribution switch A and distribution switch B

Answer: B

NEW QUESTION 10
When a first hop redundancy solution is designed, which protocol ensures that load balancing occurs over multiple routers using a single virtual IP address and multiple virtual MAC addresses?

  • A. GLBP
  • B. IRDP
  • C. VRRP
  • D. HSRP

Answer: A

NEW QUESTION 11
Which QoS feature responds to network congestion by dropping lower priority packets?

  • A. CBWFQ
  • B. tail drop
  • C. WRED
  • D. strict priority

Answer: C

NEW QUESTION 12
Which two statements describe source trees in a multicast environment? (Choose two.)

  • A. Source trees guarantee the minimum amount of network latency for forwarding multicast traffic
  • B. Source trees create an optimal path between the source and the receivers
  • C. Source trees use a single common root placed at some chosen point in the network
  • D. Source trees can introduce latency in packet delivery
  • E. Source trees can create suboptimal paths between the source and the receivers

Answer: AB

NEW QUESTION 13
A network solution is being designed for a company that connects to multiple Internet service providers. Which Cisco proprietary BGP path attribute will influence outbound traffic flow?

  • A. Local Preference
  • B. MED
  • C. Weight
  • D. AS Path
  • E. Community

Answer: C

NEW QUESTION 14
Which consideration must be taken into account when using the DHCP relay feature in a Cisco SD-Access Architecture?

  • A. DHCP-relay must be enabled on fabric edge nodes to provide the correct mapping of DHCP scope to the local anycast gateway.
  • B. A DHCP server must be enabled on the border nodes to allow subnets to span multiple fabric edges.
  • C. DHCP servers must support Cisco SD-Access extensions to correctly assign IPs to endpoints in an SDAccess fabric with anycast gateway.
  • D. DHCP Option-82 must be enabled to map the circuit IP option to the access fabric node where the DHCP discover originated.

Answer: A

NEW QUESTION 15
Which two best practices must be followed when designing an out-of-band management network? (Choose two.)

  • A. Enforce access control
  • B. Facilitate network integration
  • C. Back up data using the management network
  • D. Ensure that the management network is a backup to the data network
  • E. Ensure network isolation

Answer: AE

NEW QUESTION 16
Drag and drop the properties from the left onto the protocols they describe on the right.
300-420 dumps exhibit

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
300-420 dumps exhibit

NEW QUESTION 17
When vEdge router redundancy is designed, which FHRP is supported?

  • A. HSRP
  • B. OMP
  • C. GLBP
  • D. VRRP

Answer: D

NEW QUESTION 18
An engineer is working with NETCONF and Cisco NX-OS based devices. The engineer needs a YANG model that supports a specific feature relevant only to Cisco NX-OS. Which model must the engineer choose?

  • A. Native
  • B. IEEE
  • C. OpenConfig
  • D. IETF

Answer: D

NEW QUESTION 19
Which routes does the overlay management protocol advertise in an SD-WAN overlay?

  • A. underlay, MPLS, and overlay
  • B. primary, backup, and load-balanced
  • C. prefix, TLOC, and service
  • D. Internet, MPLS, and backup

Answer: C

NEW QUESTION 20
Drag and drop the characteristics from the left onto the correct telemetry mode on the right.
300-420 dumps exhibit

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
In a dial-in mode, the destination initiates a session to the router and subscribes to data to be streamed. Dialin mode is supported over gRPC in only 64-bit platforms
In a dial-out mode, the router initiates a session to the destinations based on the subscription. All 64-bit IOS XR platforms (except for NCS 6000 series routers) support gRPC and TCP protocols. All 32-bit IOS XR platforms support only TCP.

NEW QUESTION 21
Which design consideration must be made when dual vEdge routers are deployed at a branch site?

  • A. Use BGP AS-path prepending to influence egress traffic and use MED to influence ingress traffic from the branch.
  • B. HSRP priorities must match the OMP routing policy to prefer one vEdge over the other.
  • C. Traffic must be symmetrical as it egresses the vEdges and returns from remote sites for DPI to function properly.
  • D. Configure BFD between vEdge routers to detect sub-second link failures.

Answer: A

NEW QUESTION 22
How do endpoints inside an SD-Access network reach resources outside the fabric?

  • A. a VRF fusion router is used to map resources in one VN to another VN
  • B. Fabric borders use VRFs to map VNs to VRFs
  • C. SD-Access transit links are used to transport encapsulated traffic from one fabric to another
  • D. A fabric edge is used to de-encapsulate VXLAN traffic to normal IP traffic then transported over the outside network

Answer: D

NEW QUESTION 23
In an SD-WAN architecture, which methods are used to bootstrap a vEdge router?

  • A. DHCP options or manual configuration
  • B. vManage or DNS records
  • C. ZTP or manual configuration
  • D. DNS records or DHCP options

Answer: C

NEW QUESTION 24
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