Cloud concepts Flashcards
“In the cloud computing shared responsibility model, who is always responsible for the tenant information, data, accounts, and identities?”
a) The service provider (SP)
b) The customer”
b) The customer
“Which of the following characteristics relate to the public cloud delivery model?
a) Metered pricing and consumption-based billing
b) Availability, reliability, fault tolerance, redundancy
c) May allow on-premises facilities hosting computing resources to be decommissioned
d) Bursting or extending computing resource capacity to a public cloud”
(a), (b), (c)
Answer (d) is a characteristic of the hybrid cloud delivery model.
“Which of the following characteristics relate to the private cloud delivery model?
a) A dedicated entity (single-tenant) computing model.
b) Resources are only available within the capacity provisioned.
c) Hardware/ physical resources must be supported; failed hardware must be replaced.
d) Provides a choice of location of where on-premises or cloud resources are created.”
(a), (b), (c)
“Which of the following characteristics relate to the platform as a service (PaaS) service model?
a) You have no direct access to the compute layer.
b) You have direct access andcontrol of the compute layer, the operating system, and installed software and runtimes.
c) You have control over your application, code,and business logiclayer;all other layers are provided as a servicethatyou have no access or control over.”
(a)
Answer (b) is a characteristic of the IaaS cloud delivery model; answer (c) is a characteristic of the serverless/function as a service (FaaS) delivery model.
“An Azure virtual machine (VM) is an example of the infrastructure as a service (IaaS) service type.
a) True
b) False”
True
“Which are PaaS versions of Microsoft Structured Query Language (SQL)?
a) Azure SQL Server VM
b) Azure SQL Database
c) Azure SQL Managed Instance”
(b), (c).
Answer (a) is an IaaS service type.
“An app service is an example of a software as a service (SaaS) service type.
a) True
b) False”
False— an app service is a PaaS service type.
“Purchasing on-premises hardware and assets is an example of capital expenditure (CapEx).
a) True
b) False”
True
“Operational expenditure (OpEx) means purchasing on a pay-as-you-go, recurring payment model.
a) True
b) False”
True
“A consumption-based model means paying only for what you use, and a reservation model means committing to resource usage.
a) True
b) False”
True
“CapEx is an upfront commitment to purchasing assets.
a) True
b) False”
True
“Which of the following defines elasticity?”
“a) The ability to shape the resources needed automatically, burst and scale to meet any peak in demand, and then return to a normal operating baseline
b) Deploying resources to operate within the required or mandated SLA for those resources”
(a).
Answer (b) describes HA.
“Which of the following defines scalability?
a) Increasing resources based on demand, usually in an automated way, triggered upon a metric such as a time or resource threshold being reached
b) Deploying and configuring resources effectively and efficiently in a short space of time to meet any change in requirements or operational needs”
(a).
Answer (b) describes agility.
“Which of the following are true or false when comparing disaster recovery (DR), high availability (HA), and backup?
a) HA—When systems fail and are unavailable, you can run a second instance in the same Azure region.
b) DR—When systems fail and are unavailable, you can run a second instance in another Azure region.
c) Backup—When data is corrupted, deleted, lost, or irretrievable (ransomware), you can restore the instance from another copy of the system.”
All are true
“Which of the following protects data from corruption and ransomware?
a) HA
b) DR
c) Backup”
(c)
Answers (a) and (b) protect systems, not data.
