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SDN

1. What does a northbound API accomplish?
A. programmatic control of abstracted network resources through a centralized controller B. access to controlled network resources from a centralized node
C. communication between SDN controllers and physical switches
D.controlled access to switches from automated security applications
Answer:A

2. Which solution do laaS service providers use to extend a Layer 2 segment across a Layer 3 network? A. VXLAN
B. VTEP
C. VRF

D.VLAN Answer:A

3. In a Cisco VXLAN based network, which of the following best describes the main function of a VXLAN Tunnel Endpoint (VTEP)?
A. A device that performs VXLAN encapsulation and decapsulation.
B. It is a 24 bit segment ID that defines the broadcast domain.

C. It is the Logical interface where the encapsulation and de-encapsulation occurs. D. It is a device that performs tunneling using GRE.
Answer:A

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