Oracle 11g: RAC and Grid Infrastructure Administration Accelerated Release 2 Quiz Questions and Answers

What is Crash recovery?

Answer :
  • When an instance crashes in a single node database on startup a crash recovery takes place

What components of the Grid should I back up?

Answer :
  • All of above

What are the uses of RAC?

Answer :
  • Recoverability

What is Instance recovery?

Answer :
  • In a RAC environment the same recovery for an instance is performed by the surviving nodes called Instance recovery

What is the interconnect used for?

Answer :
  • A private N/W which is used to ship data blocks from one instance to another for cache fusion

What methods are available to keep the time synchronized on all nodes in the cluster?

Answer :
  • Both A and B

If your OCR is corrupted, what options do have to resolve this?

Answer :
  • Both

What is OCLUMON used for in a cluster environment?

Answer :
  • The Cluster Health Monitor (CHM) stores operating system metrics in the CHM repository for all nodes in a RAC cluster

What it the ASM POWER_LIMIT?

Answer :
  • This is the parameter which controls the number of Allocation units the ASM instance will try to rebalance at any given time

What is a split brain?

Answer :
  • When database nodes in a cluster are unable to communicate with each other, they may continue to process and modify the data blocks independently