EC2 Flashcards

1
Q

What is instance is the cheapest and is suitable for non-critical and infrequent jobs that can be interrupted or process again?

A

Spot Instances

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2
Q

What instance type is the highest cost and you would use for workloads that require uninterrupted processing or short term workloads that cannon be interrupted?

A

On-Demand Instances

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3
Q

What instance type has the following:

  • For mission critical applications
  • Uninterruptible
  • Cheaper than on demand and slightly more than spot
  • Commitment time of minimum of 1 year to 3 years
A

Reserved instances

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4
Q

What uses a single, physical rack-mounted server or also know as a host?

A

Dedicated host

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5
Q

Regulat virtual machines that run in a virtual private cloud (VPC) on hardware that’s dedicates to a single customer

A

Dedicated instance

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6
Q

A flexible pricing model in AWS that helps you save on the usage of your:

EC2
Forgave
Lambda

Provides discount in exchange for a commitment to a consistent usage amount that is measured in dollars per hour for a one or three year term

A

Savings Plan

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7
Q

Allows you to reserve capacity for your EC2 instances in a specific AZ

Independent of the billing discounts offered by Savings Plans or regional Reserved Instances

Works like a Zonal Reserved Instance

No 1 year or 3 year commitment

You can reserve a particular AZ only (Zonal), no Regional reservations in scope

Can be applied to On Demand EC2 Instances

A

Capacity Reservation

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8
Q

Provide low-latency network performance and high throughput

A

Cluster

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9
Q

Commonly used on large distributed and replicated workloads, such as Hadoop,Cassandra, and Kafka

A

Partition

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10
Q

Reduces correlated failures and improves availability

A

Spread

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