400-007 Free Practice Test

Which two statements describe the hierarchical LAN design model? (Choose two)

1. A. It is a well-understood architecture that provides scalability
2. B. It is the best design for modern data centers
3. C. It is the most optimal design but is highly complex
4. D. It provides a simplified design
5. E. Changes, upgrades, and new services can be introduced in a controlled and stagged manner

Correct Answer: AE

Refer to the exhibit.

A customer runs OSPF with Area 5 between its aggregation router and an internal router When a network change occurs in the backbone. Area 5 starts having connectivity issues due to the SPF algorithm recalculating an abnormal number of times in Area 5 You are tasked to redesign this network to increase resiliency on the customer network with the caveat that Router B does not support the stub area How can you accomplish this task*?

1. A. Increase the bandwidth on the connection between Router A and Router B
2. B. Implement LSA filtering ontheAB, allowing summary routes and preventing more specific routes into Area 5
3. C. Create a virtual link to Area 0 from Router B to the ABR
4. D. Turn on LSA throttling on all devices in Area 5
5. E. Set Area 5 to stubby at the ABR anyway

Correct Answer: B

As a network designer you need to support an enterprise with hundreds of remote sites connected over a single WAN network that carries different types of traffic, including VoIP, video, and data applications which of following design considerations will not impact design decision?

1. A. Focus on the solution instead of the problem, which helps to reduce downtime duration
2. B. The location of the data collection
3. C. What direction the data or flows should be metered
4. D. Identify traffic types and top talkers over this link

Correct Answer: A

A product manufacturing organization is integrating cloud services into their IT solution The IT team is working on the preparation phase of the implementation approach, which includes the Define Strategy step. This step defines the scope of IT, the application, and the service What is one topic that should be considered in the Define Strategy step?

1. A. financial and governance models
2. B. innovate and align with business according to volume
3. C. due diligence and financial scenarios
4. D. contingency exit strategy steps

Correct Answer: D

Which two aspects are considered when designing a dual hub dual DMVPN cloud topology? (Choose two )

1. A. will only work with single-tier headend architecture
2. B. hub sites must connect to both DMVPN clouds
3. C. recommended for high availability
4. D. spoke-to-spoke traffic will transit the hub unless spokes exchange dynamic routing directly
5. E. requires all sites to have dual Internet connections

Correct Answer: AC