1z0-468 Free Practice Test

You notice the following message in one of your cache server logs:
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1. A. Member 102 received a MemberLeft message from the senior member (member 1) that member 74 has left the cluster.
2. B. Member 1 received a MemberLeft message from the senior member (member 74) that member 102 has left the cluster.
3. C. Member 1 received a MemberLeft message from the senior member (member 102) that member 74 has left the cluster.
4. D. Member 74 received a MemberLeft message from the senior member (member 1) that member 102 has left the cluster.

Correct Answer: A

You are doing capacity planning for a Coherence application with one distributed cache (dcache), and one replicated cache (rcache). You have one index on dcache, and dcache has backup_count=1. Your requirement is that you must be able to tolerate one machine failure with no loss of data. You have three machines, each with 4 JVMs of 8 GB.
What three factors do you take into consideration in case of machine failure? (Choose three.)

1. A. Each cache server will be responsible for more primary and backup data from dcache.
2. B. The size of index data in each cache server is likely to grow.
3. C. The size of rcache on each node will grow.
4. D. Updates to rcache will result in more network traffic per machine.
5. E. Updates to dcache will result in more network traffic per machine.

Correct Answer: ABE

Which three generational spaces make up the HotStop heap? (Choose three.)

1. A. Young Generation
2. B. Internal Generation
3. C. Old Generation
4. D. Permanent Generation
5. E. Persistent Generation

Correct Answer: ACD

Identify three situations where Coherence is used (Choose three.)

1. A. to scale the amount of data accessed on the application or middleware tier
2. B. to offload shared services or databases on repeated reads
3. C. to accelerate complex RDBMS joins by storing data in memory
4. D. to reduce database load by batching and coalescing writes
5. E. to perform map-reduce aggregations of unstructured data

Correct Answer: BDE

Which change cannot be made in an assembly at deployment time?

1. A. setting the appliance’s memory and CPU requirements
2. B. changing the listening port of the product
3. C. not deploying an appliance by setting its target count to zero
4. D. not deploying an appliance by removing it from the assembly

Correct Answer: A