400-007 Free Practice Test

How many fully established neighbour relationships exist on an Ethernet with five routers running OSPF as network type broadcast?

1. A. 5
2. B. 6
3. C. 7
4. D. 10
5. E. 20

Correct Answer: C
Assuming routers R1-R5, R1 is elected DR, R2 BDR. Fully established neighborships only occur to DR and BDR, all other neighbors are in 2Way DR other state. DR|BDRFull relationships:
R2-R1 R3-R1 R3-R2 R4-R1 R4-R2 R5-R1 R5-R2

You have been asked to design a high-density wireless network for a university campus. Which two principles would you apply in order to maximize the wireless network capacity? (Choose two.)

1. A. Implement a four-channel design on 2.4 GHz to increase the number of available channels
2. B. Choose a high minimum data rate to reduce the duty cycle.
3. C. increases the number of SSlDs to load-balance the client traffic.
4. D. Make use of the 5-GHz band to reduce the spectrum utilization on 2.4 GHz when dual-band clients are used.
5. E. Enable 802.11n channel bonding on both 2.4 GHz and 5 GHz to increase the maximum aggregated cell throughput.

Correct Answer: BD

Which three Cisco products are used in conjunction with Red Hat to provide an NFVi solution? (Choose three.)

1. A. Cisco Prime Service Catalog
2. B. Cisco Open Virtual Switch
3. C. Cisco Nexus switches
4. D. Cisco UCS
5. E. Cisco Open Container Platform
6. F. Cisco Virtual Network Function

Correct Answer: CDF

Which solution component helps to achieve rapid migration to the cloud for SaaS and public cloud leveraging SD-WAN capabilities?

1. A. service-oriented cloud architecture
2. B. Cloud onramp
3. C. cloud registry
4. D. microservices in the cloud

Correct Answer: B

Which two protocols are used bv SDN controllers to communicate with switches and routers? (Choose two )

1. A. OpenFlash
2. B. OpenFlow
3. C. NetFlash
4. D. Open vSwitch Database
5. E. NetFlow

Correct Answer: BD