Cloud Computing & Infrastructure Flashcards

Which cloud deployment model keeps all resources exclusively within a single organization's private network?

Answer: Private cloud

A private cloud dedicates all infrastructure to one organization, hosted on-premises or by a third party, with no shared resources.

What term describes the ability of a cloud system to automatically add resources during peak demand and remove them when demand drops?

Answer: Elasticity

Elasticity refers to the dynamic scaling of cloud resources up or down automatically in response to workload changes.

Which cloud storage class is best suited for data that is rarely accessed but must be retrievable within milliseconds?

Answer: S3 Glacier Instant Retrieval

S3 Glacier Instant Retrieval is designed for archive data that needs millisecond access, combining low cost with fast retrieval.

In cloud networking, what does a Virtual Private Cloud (VPC) primarily provide?

Answer: An isolated virtual network within the cloud provider

A VPC is a logically isolated section of the cloud where users can launch resources in a defined virtual network they control.

Which type of cloud service gives developers a platform to build, run, and manage applications without handling the underlying infrastructure?

Answer: PaaS

Platform as a Service (PaaS) provides a managed environment for application development, abstracting OS, middleware, and runtime management.

What is the primary purpose of an Availability Zone in major cloud providers like AWS?

Answer: To provide geographic fault isolation within a region

Availability Zones are physically separate data centers within a region, designed to be isolated from failures in other zones.

Which protocol is most commonly used to securely manage and configure Linux-based cloud virtual machines remotely?

Answer: SSH

SSH (Secure Shell) provides encrypted remote command-line access to Linux systems, making it the standard for cloud VM management.