Monday 26 February 2018

HP HPE0-Y53 Question Answer

A switch is configured with four OpenFlow tables: Table 0, Table 50, Table 100, and Table 200. Which table will reject the go-to-table action in its flows?

A. Table 0
B. Table50
C. Table 100
D. Table 200

Answer: D


An HP Comware switch is controlled by a team of HP VAN SDN Controllers. The controllers have these roles within the region that contains the switch.
Controller 1 = Master
Controller 2 Primary slave
Controller 3 =Secondary slave
A failed network connection causes Controller 1 to lose contact with the switch. Controller 2 and Controller 3 can still reach all the controlled devices. Controller 1 is still up and has contact with other controllers and switches. How does the team handle this situation?


A. Controller 1, as master, contacts OpenFlow-enabled devices near the switch and attempts to repair the connection.
B. Controller 2 becomes the master for this switch, although Controller 1 remains master for other switches.
C. Controller 1, as master, removes the switch from any active flows and sends updated flows to Controller 2 andController 3.
D. Controller 2 becomes the master for all switches in the region, and Controller 1 becomes the primary slave for the region.

Answer: B

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