A Company Uses Amazon Elasticsearch Service (Amazon ES) to Store

question 23

Multiple Choice

A company uses Amazon Elasticsearch Service (Amazon ES) to store and analyze its website clickstream data. The company ingests 1 TB of data daily using Amazon Kinesis Data Firehose and stores one day's worth of data in an Amazon ES cluster. The company has very slow query performance on the Amazon ES index and occasionally sees errors from Kinesis Data Firehose when attempting to write to the index. The Amazon ES cluster has 10 nodes running a single index and 3 dedicated master nodes. Each data node has 1.5 TB of Amazon EBS storage attached and the cluster is configured with 1,000 shards. Occasionally, JVMMemoryPressure errors are found in the cluster logs. Which solution will improve the performance of Amazon ES?

• A) Increase the memory of the Amazon ES master nodes.
• B) Decrease the number of Amazon ES data nodes.
• C) Decrease the number of Amazon ES shards for the index.
• D) Increase the number of Amazon ES shards for the index.

Evaluate the reliability of eyewitness testimony, especially under conditions like hypnosis.

Identify factors leading to false memories and memory intrusions.

Differentiate between true memories and false memories including factors that influence memory accuracy.

Explain the conceptual foundation of flashbulb memories and their characteristics compared to other types of memories.

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Definitions:

Recall

The act of retrieving information or events from the past while lacking a specific cue to help in retrieving the information.

Information

Data that is processed, interpreted, or organized in a way that gives it meaning for the recipient.

Classroom

describes a physical or virtual space where instruction, learning, or teaching activities take place.

Context-dependent Memory

The phenomenon where people are able to recall information better if they are in the same context or environment as they were when they learned the information.