HP HP2-Z31 Exam Questions & Answers

Correct Answer: D

Per-flow meters OpenFlow 1.3 brings support for per-flow meters. These can be attached to flow entries and can measure and control the rate of packets. One of the main applications of perflow meters is to rate limit packets sent to the controller.

Reference: Production-ready SDN with OpenFlow 1.3

http://h17007.www1.hp.com/docs/interop/2013/37958_HPN_SDN_Openflow_Brief_042913_lo.pdf (page 2)

Correct Answer: D

Node Manager

Operation:

Learns and maintains end-host locations in the network. Uses information received from network devices

to maintain the ARP table and end host data.

Uses the Topology Service to determine if a port receiving a packet is an edge port or not.

Learns and maintains end nodes in the controller domain, and associates end nodes with edge ports.

Builds an ARP cache with MAC-IP translations of end hosts.

Maintains ARPs on a per-VID basis.

Provides the edge port details for end hosts.

Reference: HP VAN SDN Controller Administrator Guide

Correct Answer: A

Net Optimizer - Lync uses OpenFlow to dynamically provision the end-to-end network path and QoS policy for that Lync call.

Reference: HP Network Optimizer SDN Application -Microsoft Lync 1.1 Administrator Guide