Fundamentals sections Quiz Flashcards
What permissions options does an AMI have?
Public Access
Owner only
Specific AWS Accounts
What is NOT stored in an AMI?
Instance settings
Network settings
EC2 is an example of which service model?
IaaS
What is true of an AWS Public service?
Located in the AWS Public zone
Anyone can connect, but permissions are required to access the service
What is true of an AWS private service?
Located in a VPC
Accessible from the VPC it is located in
Accessible from other VPCs or on-premises networks as long as private networking is configured
What is true of Simple Storage Service (S3)?
S3 is an AWS public service
S3 is a object service system
Buckets can store an unlimited amount of data
What is a cloud formation logical resource?
A resource defined in a cloud formation template
What is a CloudFormation Physical resource?
A physical resource created by creating a CloudFormation stack
What is a simple and correct definition of high availability?
A system which maximizes uptime
Which of the following is a correct definition of a fault tolerant system?
A system which allows failure, and can continue operating w/out disruption
How many DNS root servers exist?
13
Who manages the DNS root servers?
12 large organisations
Who manages the DNS root zone?
IANA
Which DNS record type converts a host into an IPv4 address?
A record
Which DNS record type is how the root zone delegates control of .org to the .org registry?
NS record