A Company Is Migrating from an On-Premises Apache Hadoop Cluster

question 21

Multiple Choice

A company is migrating from an on-premises Apache Hadoop cluster to an Amazon EMR cluster. The cluster runs only during business hours. Due to a company requirement to avoid intraday cluster failures, the EMR cluster must be highly available. When the cluster is terminated at the end of each business day, the data must persist. Which configurations would enable the EMR cluster to meet these requirements? (Choose three.)

• A) EMR File System (EMRFS) for storage
• B) Hadoop Distributed File System (HDFS) for storage
• C) AWS Glue Data Catalog as the metastore for Apache Hive
• D) MySQL database on the master node as the metastore for Apache Hive
• E) Multiple master nodes in a single Availability Zone
• F) Multiple master nodes in multiple Availability Zones

Differentiate between male and female nutritional needs, specifically regarding vitamins and minerals.

Define and categorize nutrients essential for human health.

Describe the functions of macronutrients and their role in energy provision.

Grasp the importance of diverse food sources, such as fish, in a balanced diet.

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Definitions:

Nucleophilic

Pertaining to a molecule or ion that donates an electron pair to form a chemical bond in reaction.

Substitution Reaction

A chemical reaction where one functional group in a chemical compound is replaced by another.

Mechanism

A mechanism is a description of the step-by-step process by which reactants are transformed into products in a chemical reaction, including the intermediate stages and transition states.

Anionic Nucleophiles

Negatively charged species that donate an electron pair to electrophiles in chemical reactions.