Cloud Concepts: 26%

Question 1

What is an Availability Zone?

Answer 1

One or more discrete data centers within a region that are engineered to be independent failure zones

Question 2

What are the four characteristics of cloud computing?

Answer 2

a) on-demand delivery
b) compute, database storage, applications and other IT resources
c) cloud services platform via the internet
d) pay-as-you-go pricing

Question 3

What are the features of Consolidated Billing?

Answer 3

One bill for multiple accounts, which can then share volume discounts
where accounts can still be tracked individually, at no additional cost

Question 4

Name the four EC2 pricing models

Answer 4

a) on-demand
b) reserved
c) spot
d) dedicated host

Question 5

What are the two use cases for on-demand EC2 instances?

Answer 5

a) applications with short term, spiky or unpredictable workloads that cannot be interrupted
b) applications begin developed or tested on EC2 for the first time

Question 6

What are the two use cases for reserved EC2 instances?

Answer 6

a) applications with long-term steady or predictable usage

b) applications that require reserved capacity

Question 7

What are the two use cases for spot EC2 instances?

Answer 7

a) applications that are only feasible at very low compute prices
b) applications with urgent large scale computing needs

Question 8

What are the two use cases for dedicated EC2 hosts?

Answer 8

a) to allow the use of existing server-bound software licences
b) to fulfill regulatory requirements that may not support multi-tenant virtualisation

Question 9

What are the four AWS support plans?

Answer 9

a) basic
b) developer
c) business
d) enterprise

Question 10

What are the seven Route 53 routing policies?

Answer 10

a) simple
b) failover
c) geolocation
d) geoproximity
e) latency
f) multivalue answer
g) weighted