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Free PDF Quiz Cisco - 300-420 - High Pass-Rate Study Designing Cisco Enterprise Networks Plan

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Cisco 300-420 exam covers a wide range of topics, including advanced addressing and routing solutions, network security, virtualization, automation, and network architecture. Candidates are required to demonstrate their understanding of the latest industry trends and best practices in designing enterprise networks. 300-420 Exam consists of multiple-choice questions, and candidates have 90 minutes to complete it. Passing the Cisco 300-420 exam requires a score of at least 750 out of 1000.

Cisco Designing Cisco Enterprise Networks Sample Questions (Q256-Q261):

NEW QUESTION # 256

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-2.
Any link failure must have minimal impact on voice and video traffic.
Which two OSPF solutions must the architect include in the design? (Choose two.)

A. Advertise default routes from the backbone to nonbackone areas.
B. increase hello and how timer.
C. Reduce the frequency of OR and BOR elections.
D. Tune LSA and SPF throttling timers
E. Enable manual route summarization and configure all nonbackbone areas as stub networks.

Answer: D,E

NEW QUESTION # 257
Refer to the exhibit.

An engineer is designing a routing solution for a customer. The design must ensure that a failure of network
10.1.0.0/24, 10.1.2.0/24, 10.2.1.0/24, or 10.2.3.0/24 does not impact the core. It also requires fast convergence time during any link failover in the core or access networks. Which solution must the engineer select?

A. Enable graceful restart on routers A and C.
B. Enable summarization on routers A and C.
C. Add aggregation layer between core and access networks.
D. Enable FRR for the connected networks of routers A and C.

Answer: B

NEW QUESTION # 258
Refer to the exhibit. Where must an architect plan for route summarization for the topology?

A. from the aggregation toward the access and the access toward the aggregation
B. from the core toward the aggregation and the access toward the aggregation
C. from the core toward the aggregation and the aggregation toward the core
D. from the aggregation toward the core and the aggregation toward the access

Answer: D

NEW QUESTION # 259
Which two steps can be taken to improve convergence in an OSPF network? (Choose two.)

A. Span the same IP network across multiple areas.
B. Merge all the areas into one backbone area
C. Make all non-backbone areas stub areas
D. Use Bidirectional Forwarding Detection
E. Tune OSPF parameters

Answer: C,E

NEW QUESTION # 260
Refer to the exhibit.

An engineer must design a WAN solution so that ISP-1 is always preferred over ISP-2. The path via ISP-2 is considered as a backup and must be used only when the path to ISP-1 is down. Which solution must the engineer choose?

A. R1:
- Routes advertised to ISP-1: 5x AS-path prepend
- Routes received from ISP-1: LOW local-preference
- Routes advertised to R2: community NO-ADVERTISE
- Routes received from R2: no action
R2:
- Routes advertised to ISP-2: 0x AS-path prepend
- Routes received from ISP-2: HIGH local-preference
- Routes advertised to R1: community NO-EXPORT
- Routes received from R1: no action
B. R1:
- Routes advertised to ISP-1: 0x AS-path prepend
- Routes received from ISP-1: HIGH local-preference
- Routes advertised to R2: community NO-EXPORT
- Routes received from R2: no action
R2:
- Routes advertised to ISP-2: 5x AS-path prepend
- Routes received from ISP-2: LOW local-preference
- Routes advertised to R1: no action
- Routes received from R1: no action
C. R1:
- Routes advertised to ISP-1: 0x AS-path prepend
- Routes received from ISP-1: HIGH local-preference
- Routes advertised to R2: no action
- Routes received from R2: community NO-EXPORT
R2:
- Routes advertised to ISP-2:5x AS-path prepend
- Routes received from ISP-2: LOW local-preference
- Routes advertised to R1: community NO-ADVERTISE
- Routes received from R1: no action
D. R1:
- Routes advertised to ISP-1: 0x AS-path prepend
- Routes received from ISP-1: LOW local-preference
- Routes advertised to R2: community NO-ADVERTISE
- Routes received from R2: no action
R2:
- Routes advertised to ISP-2: 5x AS-path prepend
- Routes received from ISP-2: HIGH local-preference
- Routes advertised to R1: no action
- Routes received from R1: community NO-ADVERTISE

Answer: B

NEW QUESTION # 261
......

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