400-007 Free Practice Test

A network architect must redesign a service provider edge, where multiservice and multitenant PEs are currently present. Which design feature should be minimized in the new design to achieve reliability?

1. A. bridging
2. B. fate sharing
3. C. redundancy
4. D. unicast overlay routing

Correct Answer: B

You have been tasked with designing a data center interconnect as part of business continuity You want to use FCoE over this DCI to support synchronous replication. Which two technologies allow for FCoE via lossless Ethernet or data center bridging? (Choose two.)

1. A. DWDM
2. B. EoMPLS
3. C. SONET/SDH
4. D. Multichassis EtherChannel over Pseudowire
5. E. VPLS

Correct Answer: AC

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

Which DCI technology utilizes a “flood and learn” technique to populate the Layer2 forwarding table?

1. A. LISP
2. B. OTV
3. C. VPLS
4. D. EVPN

Correct Answer: C

What are two descriptions of network optimization? (Choose two.)

1. A. maintain high availability
2. B. proactive network management
3. C. network redesign
4. D. network health maintenance
5. E. identify network requirements

Correct Answer: AD