Which of these cloud terminologies represents the benefit of the cloud to grow and shrink infrastructure based on demand?
A - Elasticity
B - High Availab
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C - Fault-Tolerant
D - Scalability
A - Elasticity is the ability to grow and shrink infrastructure based on demand. Elasticity is a benefit of AWS.
What are the characteristics of the AWS Cloud?
A - Highly available
B - Cost-efficient, flexible, fault-tolerant, and highly available
C - Cost-efficient and flexible
D - Flexible and fault-tolerant
E - Fault-tolerant
F - On-site infrastructure is publically accessible for modification.
B - The AWS cloud is cost-efficient, flexible, fault-tolerant, and highly available. There are many characteristics to the AWS cloud and all are beneficial.
Which of the following were datacenter challenges before the cloud?
A - Server sprawl(space), cooling, and power
B - Server sprawl(space)
C - Cooling and power
D - Server sprawl(space) and power
A - Before the cloud, datacenters faced challenges with server sprawl(space), cooling, and power.
Which of the following is an example of a SaaS?
A - All of or most of an infrastructure platform being provided by a third party.
B - All of the infrastructure, operating system and software are provided by a third party.
C - All of the infrastructure and operating system is provided by a third party.
D - Being responsible for infrastructure, operating systems, and software without help from a third party.
B - This is an example of SaaS. With SaaS, the entire infrastructure, operating system, and software are being provided by a third party
Which of these is descriptive of an Availability Zone?
A - An Availability Zone is an Edge location
B - An Availability Zone is a Point of Presence.
C - An Availability Zone is an area containing datacenters in which AWS resources are available.
D - The physical building containing the physical hardware of AWS infrastructure
C - An Availability Zone is an area containing datacenters in which AWS resources are available.
Which of these is an example of the hierarchy in the AWS global infrastructure from largest to smallest?
A - AWS Regions, Data Center, AWS Global Infrastructure, and Availability Zones
B - Data Center, Availability Zones, AWS Regions, and AWS Global Infrastructure
C - Availability Zones, AWS Regions, Data Center, and AWS Global Infrastructure
D - AWS Global Infrastructure, AWS Regions, Availability Zones, and Data Center
D - The hierarchy of the AWS Global Infrastructure from top to bottom is AWS Global Infrastructure, AWS Regions, Availability Zones, and Data Center.
What is scalability?
A - The ability to maintain operation during and/or after failure.
B - The ability to not only scale-out when required, but also reduce in size when required.
C - The ability to always be available and easily accessible.
D - The ability to easily scale up in size, capacity, and/or scope when required.
D - Scalability is the ability to easily grow in size, capacity, and/or scope when required. In the cloud, this is typically done to meet demand. [Show Less]
