ITN 257: Cloud Computing Final Exam
Review
What is the function of an EC2 AMI?
A. To define the hardware profile used by an EC2 instance
B. To serve as an instance storage volume for high-volume data processing operations
C. To serve as a source image from which an instance's primary storage volume is built
D. To define the way data streams are managed by EC2 instances - Answer To serve
as a source image from which an instance's primary storage volume is built
Where can you find a wide range of verified AMIs from both AWS and third-party
vendors?
A. AWS Marketplace
B. Quick Start
C. Community AMIs
D. My AMIs - Answer AWS Marketplace
Which of the following could be included in an EC2 AMI? (Select TWO.)
A. A networking configuration
B. A software application stack
C. An operating system
D. An instance type definition - Answer A software application stack/An operating
system
Which of the following are EC2 instance type families? (Select TWO.)
A. c5d.18xlarge
B. Compute optimized
C. t2.micro
D. Accelerated computing - Answer Compute optimized/Accelerated computing
When describing EC2 instance types, what is the role played by the vCPU metric?
A. vCPUs represent an instance's potential resilience against external network
demands.
B. vCPUs represent an instance type's system memory compared to the class of
memory modules on a physical machine.
C. vCPUs represent an AMI's processing power compared to the number of processors
on a physical machine.
D. vCPUs represent an instance type's compute power compared to the number of
processors on a physical machine. - Answer vCPUs represent an instance type's
compute power compared to the number of processors on a physical machine.
Which of the following describes an EC2 dedicated instance?
A. An EC2 instance running on a physical host reserved for the exclusive use of a single
AWS account
,B. An EC2 instance running on a physical host reserved for and controlled by a single
AWS account
C. An EC2 AMI that can be launched only on an instance within a single AWS account
D. An EC2 instance optimized for a particular compute role - Answer An EC2 instance
running on a physical host reserved for the exclusive use of a single AWS account
Which of the following describes an EBS volume?
A. A software stack archive packaged to make it easy to copy and deploy to an EC2
instance
B. A virtualized partition of a physical storage drive that's directly connected to the EC2
instance it's associated with
C. A virtualized partition of a physical storage drive that's not directly connected to the
EC2 instance it's associated with
D. A storage volume that's encrypted for greater security - Answer A virtualized partition
of a physical storage drive that's not directly connected to the EC2 instance it's
associated with
Why might you want to use an instance store volume with your EC2 instance rather
than a
volume from the more common EBS service? (Select TWO.)
A. Instance store volumes can be encrypted.
B. Instance store volumes, data will survive an instance shutdown.
C. Instance store volumes provide faster data read/write performance.
D. Instance store volumes are connected directly to your EC2 instance. - Answer
Instance store volumes provide faster data read/write performance/Instance store
volumes are connected directly to your EC2 instance
Your web application experiences periodic spikes in demand that require the
provisioning of extra instances. Which of the following pricing models would make the
most sense for those extra instances?
A. Spot
B. On-demand
C. Reserved
D. Dedicated - Answer On-demand
Your web application experiences periodic spikes in demand that require the
provisioning of extra instances. Which of the following pricing models would make the
most sense for the "base" instances that will run constantly?
A. Spot
B. On-demand
C. Spot fleet
D. Reserved - Answer Reserved
Which of the following best describes what happens when you purchase an EC2
reserved instance?
, A. Charges for any instances you run matching the reserved instance type will be
covered by the reservation.
B. Capacity matching the reserved definition will be guaranteed to be available
whenever you request it.
C. Your account will immediately and automatically be billed for the full reservation
amount.
D. An EC2 instance matching your reservation will automatically be launched in the
selected AWS Region. - Answer Charges for any instances you run matching the
reserved instance type will be covered by the reservation
Which of the following use cases are good candidates for spot instances? (Select
TWO.)
A. Big data processing workloads
B. Ecommerce websites
C. Continuous integration development environments
D. Long-term, highly available, content-rich websites - Answer Big data processing
workloads/Continuous integration development environments
Which AWS services simplify the process of bringing web applications to deployment?
(Select TWO.)
A. Elastic Block Store
B. Elastic Compute Cloud
C. Elastic Beanstalk
D. Lightsail - Answer Elastic Beanstalk/Lightsail
Which of the following services bills at a flat rate regardless of how it's consumed?
A. Lightsail
B. Elastic Beanstalk
C. Elastic Compute Cloud
D. Relational Database Service - Answer Lightsail
Which of these stacks are available from Lightsail blueprints? (Select TWO.)
A. Ubuntu
B. Gitlab
C. WordPress
D. LAMP - Answer Gitlab/LAMP
Which of these AWS services use primarily EC2 resources under the hood? (Select
TWO.)
A. Elastic Block Store
B. Lightsail
C. Elastic Beanstalk
D. Relational Database Service - Answer Lightsail/Elastic Beanstalk
Which of the following AWS services are designed to let you deploy Docker containers?
(Select TWO.)
Review
What is the function of an EC2 AMI?
A. To define the hardware profile used by an EC2 instance
B. To serve as an instance storage volume for high-volume data processing operations
C. To serve as a source image from which an instance's primary storage volume is built
D. To define the way data streams are managed by EC2 instances - Answer To serve
as a source image from which an instance's primary storage volume is built
Where can you find a wide range of verified AMIs from both AWS and third-party
vendors?
A. AWS Marketplace
B. Quick Start
C. Community AMIs
D. My AMIs - Answer AWS Marketplace
Which of the following could be included in an EC2 AMI? (Select TWO.)
A. A networking configuration
B. A software application stack
C. An operating system
D. An instance type definition - Answer A software application stack/An operating
system
Which of the following are EC2 instance type families? (Select TWO.)
A. c5d.18xlarge
B. Compute optimized
C. t2.micro
D. Accelerated computing - Answer Compute optimized/Accelerated computing
When describing EC2 instance types, what is the role played by the vCPU metric?
A. vCPUs represent an instance's potential resilience against external network
demands.
B. vCPUs represent an instance type's system memory compared to the class of
memory modules on a physical machine.
C. vCPUs represent an AMI's processing power compared to the number of processors
on a physical machine.
D. vCPUs represent an instance type's compute power compared to the number of
processors on a physical machine. - Answer vCPUs represent an instance type's
compute power compared to the number of processors on a physical machine.
Which of the following describes an EC2 dedicated instance?
A. An EC2 instance running on a physical host reserved for the exclusive use of a single
AWS account
,B. An EC2 instance running on a physical host reserved for and controlled by a single
AWS account
C. An EC2 AMI that can be launched only on an instance within a single AWS account
D. An EC2 instance optimized for a particular compute role - Answer An EC2 instance
running on a physical host reserved for the exclusive use of a single AWS account
Which of the following describes an EBS volume?
A. A software stack archive packaged to make it easy to copy and deploy to an EC2
instance
B. A virtualized partition of a physical storage drive that's directly connected to the EC2
instance it's associated with
C. A virtualized partition of a physical storage drive that's not directly connected to the
EC2 instance it's associated with
D. A storage volume that's encrypted for greater security - Answer A virtualized partition
of a physical storage drive that's not directly connected to the EC2 instance it's
associated with
Why might you want to use an instance store volume with your EC2 instance rather
than a
volume from the more common EBS service? (Select TWO.)
A. Instance store volumes can be encrypted.
B. Instance store volumes, data will survive an instance shutdown.
C. Instance store volumes provide faster data read/write performance.
D. Instance store volumes are connected directly to your EC2 instance. - Answer
Instance store volumes provide faster data read/write performance/Instance store
volumes are connected directly to your EC2 instance
Your web application experiences periodic spikes in demand that require the
provisioning of extra instances. Which of the following pricing models would make the
most sense for those extra instances?
A. Spot
B. On-demand
C. Reserved
D. Dedicated - Answer On-demand
Your web application experiences periodic spikes in demand that require the
provisioning of extra instances. Which of the following pricing models would make the
most sense for the "base" instances that will run constantly?
A. Spot
B. On-demand
C. Spot fleet
D. Reserved - Answer Reserved
Which of the following best describes what happens when you purchase an EC2
reserved instance?
, A. Charges for any instances you run matching the reserved instance type will be
covered by the reservation.
B. Capacity matching the reserved definition will be guaranteed to be available
whenever you request it.
C. Your account will immediately and automatically be billed for the full reservation
amount.
D. An EC2 instance matching your reservation will automatically be launched in the
selected AWS Region. - Answer Charges for any instances you run matching the
reserved instance type will be covered by the reservation
Which of the following use cases are good candidates for spot instances? (Select
TWO.)
A. Big data processing workloads
B. Ecommerce websites
C. Continuous integration development environments
D. Long-term, highly available, content-rich websites - Answer Big data processing
workloads/Continuous integration development environments
Which AWS services simplify the process of bringing web applications to deployment?
(Select TWO.)
A. Elastic Block Store
B. Elastic Compute Cloud
C. Elastic Beanstalk
D. Lightsail - Answer Elastic Beanstalk/Lightsail
Which of the following services bills at a flat rate regardless of how it's consumed?
A. Lightsail
B. Elastic Beanstalk
C. Elastic Compute Cloud
D. Relational Database Service - Answer Lightsail
Which of these stacks are available from Lightsail blueprints? (Select TWO.)
A. Ubuntu
B. Gitlab
C. WordPress
D. LAMP - Answer Gitlab/LAMP
Which of these AWS services use primarily EC2 resources under the hood? (Select
TWO.)
A. Elastic Block Store
B. Lightsail
C. Elastic Beanstalk
D. Relational Database Service - Answer Lightsail/Elastic Beanstalk
Which of the following AWS services are designed to let you deploy Docker containers?
(Select TWO.)
