Your flex cluster has these attributes: 1.Hub nodes host01 and host02 2.Leaf nodes host03 and host04 3.Full Featured GNS is configured and running. You attempt to run this command to add two more…

Question

Options

• AIt fails because no VIP was specified for the hub node host05.
• BIt fails because hub and leaf nodes may not be added by the same execution of addNode.sh.
• CIt fails because GNS doesn't assign VIPs for leaf nodes and no VIP was specified in the
• DIt succeeds because no VIP specification is required for leaf nodes and none need to be specified

• A
  85% (40)
• B
  9% (4)
• C
  4% (2)
• D
  2% (1)

Explanation

Hub Nodes always have VIPs. Incorrect Answers: C: Hub Nodes always have VIPs but Leaf Nodes may not. B: Use the CLUSTER_NEW_NODE_ROLES parameter to indicate, in an Oracle Flex Cluster, whether the node you are adding is a Hub Node or a Leaf Node. You can add multiple nodes, as follows: $ addnode.sh -silent -noCopy ORACLE_HOME=Grid_home "CLUSTER_NEW_NODES={node2,node3,node4}" "CLUSTER_NEW_VIRTUAL_HOSTNAMES={node2-vip,node3-vip,}" "CLUSTER_NEW_NODE_ROLES={HUB,HUB,LEAF}" In the preceding syntax example, Node 4 is designated as a Leaf Node and does not require that a VIP be included. https://docs.oracle.com/database/121/CWADD/clonecluster.htm#CWADD92139

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