Free 400-007 Exam Braindumps

Which SDN architecture component is used by the application layer to communicate with the control plane layer to provide instructions about the resources required by applications?

1. A. southbound APIs
2. B. northbound APIs
3. C. orchestration layer
4. D. SDN controller

Correct Answer: B

Company ABC uses IPv4-only. Recently they started deploying new endpoint devices. For operational reasons, IPv6 cannot be disabled on these new endpoint devices. Which security measure prevents the new endpoint from learning an IPv6 prefix from an attacker?

1. A. Source Guard and Prefix Guard
2. B. Router Advertisement Guard
3. C. Prefix Guard
4. D. Secure Neighbor Discovery

Correct Answer: B

Which two conditions must be met for EIGRP to maintain an alternate loop-free path to a remote network? (Choose two.)

1. A. The Reported Distance from a successor is lower than the local Feasible Distance.
2. B. The Reported Distance from a successor is higher than the local Feasible Distance.
3. C. The feasibility condition does not need to be met.
4. D. The Feasible Distance from a successor is lower than the local Reported Distance.
5. E. A feasible successor must be present.

Correct Answer: AE

Which technology supports antispoofing and does not have any impact on encryption performance regardless of packet size?

1. A. MACsec
2. B. IP source guard
3. C. DHCP snooping with DAI
4. D. IPsec

Correct Answer: A

The administrator of a small branch office wants to implement the Layer 2 network without running STP The office has some redundant paths Which mechanism can the administrator use to allow redundancy without creating Layer 2 loops?

1. A. Use double-sided VPC on both switches
2. B. Use two port channels as Flex links
3. C. Use fabric path with ECMP
4. D. Use 802.3ad link bundling.

Correct Answer: B