300-420 COST EFFECTIVE DUMPS, 300-420 VALID EXAM PDF

300-420 Cost Effective Dumps, 300-420 Valid Exam Pdf

300-420 Cost Effective Dumps, 300-420 Valid Exam Pdf

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Tags: 300-420 Cost Effective Dumps, 300-420 Valid Exam Pdf, 300-420 Valid Exam Registration, Valid 300-420 Exam Discount, 300-420 Simulations Pdf

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Cisco 300-420 Valid Exam Pdf - 300-420 Valid Exam Registration

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Cisco Designing Cisco Enterprise Networks Sample Questions (Q152-Q157):

NEW QUESTION # 152
How is sub-second failure of a transport link detected in a Cisco SD-WAN network?

  • A. BGP is used between WAN Edge routers and the vSmart controller.
  • B. Hellos are sent between the WAN Edge routers and the vSmart controller.
  • C. Link state change messages are sent between vSmart controllers.
  • D. BFD runs on the IPsec tunnels between WAN Edge routers.

Answer: D


NEW QUESTION # 153
Which consideration must be taken into account when using the DHCP relay feature in a Cisco SD-Access Architecture?

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

Answer: A

Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/cloud-systems-management/network-automation-and-management/dna-c


NEW QUESTION # 154
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 ensuring optimal network performance. Which two solutions should the architect use to improver network performance. (Choose two)

  • A. Utilize random early detection to manage queues
  • B. Configure selective packet discard to drop noncritical network traffic.
  • C. Bundle additional uplinks into logical EtherChannels
  • D. Implement higher-speed uplink interfaces
  • E. Reconfigure QoS based on the IntServ model

Answer: A,B


NEW QUESTION # 155
Refer to the exhibit.

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 link between routers C and E fails?

  • A. Create an OSPF virtual link between routers E and F.
  • B. Move the link between routers C and D to area 10.
  • C. Make area 10 a not-so-stubby area.
  • D. Create a tunnel between routers E and F in area 10.

Answer: B


NEW QUESTION # 156
Refer to the exhibit. A customer is planning to onboard three new VPN partner connections in the data center. The new subnets must not overlap with the existing data center network, and the subnet size must not be bigger than necessary. The customer dedicated 10.1.8.0/21 for this design. How must the subnets be divided to meet these requirements?

  • A. Partner-A: 10.1.12.0/25
    Partner-B: 10.1.13.0/22
    Partner-C: 10.1.12.128/26
  • B. Partner-A: 10.1.11.0/24
    Partner-B: 10.1.13.0/23
    Partner-C: 10.1.12.128/26
  • C. Partner-A: 10.1.11.0/25
    Partner-B: 10.1.13.0/23
    Partner-C: 10.1.11.128/27
  • D. Partner-A: 10.1.11.0/25
    Partner-B: 10.1.12.0/22
    Partner-C: 10.1.11.128/27

Answer: D


NEW QUESTION # 157
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