Module 7: Cloud Computing

Question 1

Cloud Service Models

Answer 1

Infrastructure as a service (IaaS) - Foundational IT services with core cloud caharacteristics
Platform as a service (PaaS) - Applications to build and run environments. Automatic adjustment to an organization’s demand
Software as a service (SaaS) - Direct access to application capabilities. Resource management that is hidden from users.

Question 2

Cloud Deployment model

Answer 2

Public - Available for general public or a large industry group
Private - Exclusive use by single organisation
Community - Exclusive use by specific community of consumers
Hybrid - Composition of two more more distinct cloud infrastructures

Question 3

Cloud Provider: storage services

Answer 3

AWS, Azure, Google Cloud

Durable, secure, highly available and scalable

Question 4

Storage types

Answer 4

Object (O) - ideal for building new Modern applications that require scale and flexibility.
File (F) - Ideal for applications that require access of shared files and require a file system (NAS)
Block (B) - Ideal for applications that require dedicated, low latency storage for each host (SAN)

AWS - O=Amazon Simple Storage (S3), F=Amazon Elastic File system (EFS), B=Amazon Elastic Block Store (EBS)
Azure - O = Blob storage, F=File storage, B=Disk storage
Google - O = Cloud storage, F=Cloud Filestore, B= Cloud persistent disks

Question 5

Cloud Storage Management

Answer 5

Native storage services provide basic management features.
Software-designed storage in the cloud brings enterprise-class data management for the public cloud

New ways to use the cloud
Tracking of storage
In-depth monitoring
Enhanced cloud storage with snapshot copies, clones and so on
Minimisation of the cloud footprint with efficiency feastures

Question 6

Cloud Storage Tiering

Answer 6

Combines performance and cloud tier into one storage pool that manages data seemlessely

Hot data can be stored on premises, whilst cold data put into long term storage in cloud.

Question 7

Cloud operation types

Answer 7

Cloud burst in - temporary resource boosts to meet the workload demands

Cloud storage Tiering - infrequently accessed data ;that is moved to cloud-based object storage

Workload migration - Left and shift, application refactoring, and replatforming

Backup service - Data that is kept up to date through incremental synchronziation with no extra effort on your part

Cloud storage management - use of cloud storage with advanced management feastures that are consistently with your on-premises data Center