BUY NOW AND GET FREE CISCO 300-420 EXAM QUESTIONS UPDATES

Buy Now and Get Free Cisco 300-420 Exam Questions Updates

Buy Now and Get Free Cisco 300-420 Exam Questions Updates

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Cisco 300-420 exam, also known as Designing Cisco Enterprise Networks (ENSLD), is a certification exam that validates the knowledge and skills required for designing enterprise networks. 300-420 exam is designed for network professionals who want to demonstrate their expertise in designing scalable, secure, and robust enterprise networks using Cisco technologies. The 300-420 Exam is one of the core exams required for the Cisco Certified Network Professional (CCNP) Enterprise certification.

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Cisco Designing Cisco Enterprise Networks Sample Questions (Q169-Q174):

NEW QUESTION # 169
An engineer is designing a Layer 3 campus network running EIGRP between the core, aggregation, and access layers. The access layer switches will be connected to the aggregation layer using Layer 3 copper connections.
The engineer wants to improve convergence time for access layer switch failures. Which technique must the design include?

  • A. EIGRP summarization from access to aggregation layer
  • B. reducing the EIGRP Hello / Hold timer values
  • C. EIGRP summarization from core to aggregation layer
  • D. enabling BFD for EIGRP on the access layer uplinks

Answer: D


NEW QUESTION # 170
Which design consideration must be made when dual vEdge routers are deployed at a branch site?

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

Answer: A

Explanation:
For the localized application visibility features (DPI and NBAR2) to be able to classify most application traffic, it is important that the WAN Edge router sees network traffic in both directions.
In dual-WAN Edge sites without any policy enabled, equal cost paths exist over each transport and to each WAN Edge router, and network traffic is hashed depending on fields in the IP header.
Traffic is unlikely to always be forwarded to the same WAN Edge router in both the LAN-to-WAN direction and the WAN-to-LAN direction. To maintain symmetric traffic, it is recommended to set up routing so that traffic prefers one WAN Edge over another at dual-WAN Edge router sites.


NEW QUESTION # 171
An infrastructure team is concerned about the shared memory utilization of a device, and for this reason, they need to monitor the device state. Which solution limits impact on the device and provides the required data?

  • A. IPFIX
  • B. static telemetry
  • C. periodic subscription
  • D. on-change subscription

Answer: D

Explanation:
Explanation
There are two types of subscriptions: periodic and on-change. With periodic subscription, data is streamed out to the destination at the configured interval. It continuously sends data for the lifetime of that subscription.
With on-change, data is published only when a change in the data occurs such as when an interface or OSPF neighbor goes down.https://developer.cisco.com/docs/ios-xe/#!streaming-telemetry-quick-start-guide/streaming-telemetry


NEW QUESTION # 172

Refer to the exhibit. A network engineer working for a private service provider with an employee ID: 4670:71:
451 must design a BGP solution based on:
* All traffic originating from AS100 must pass through AS200 to reach the NTP and DHCP server
* When a link failure occurs between R3 and R4, traffic must follow the R2-R9 link to reach the NTP and DHCP server.
Which solution must the design include?

  • A. Routers R3 and R10 advertise a lower local preference for outgoing traffic and a higher AS-PATH value for incoming traffic.
  • B. Router R6 influences the paths of R9 and R11 to the DC with a higher AS-PATH value.
  • C. Router R3 applies a local preference of 200 for R1. R2. R9. and R11 routers to reach the data center.
  • D. Routers R3 and R10 advertise an IGP metric into BGP during redistribution in both directions.

Answer: C


NEW QUESTION # 173
Refer to the exhibit. An architect reviews the low-level design of a company's enterprise network and advises optimizing the STP convergence time. Which functionality must be to Gi1/0/1-10 to follow the architect's recommendation?

  • A. PortFast
  • B. root guard
  • C. UplinkFast

Answer: A


NEW QUESTION # 174
......

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