Cloud Knowledge Check 3 + Quiz

Hybrid cloud

Allows companies to keep critical applications and sensitive data in a traditional data center environment

What is File Storage sometimes called?

NFS

Subnets are the main area where security is implemented in the cloud. What is used to provide security at the virtual instance level in subnets?

Security Groups or SGs

Though a major cloud computing trend is migration of apps and data into the cloud, that's not always the case. What is the top reason cited by IT decision-makers for keeping some workloads on-premises?

Security and access requirements

What is the main benefit of a Content Delivery Network (CDN)?

Speed, it makes your website faster by serving files from a location closer to the user.

Which of these statements is true of File Storage but not Object Storage? Select two.

Storage is attached to compute nodes using an ethernet network Based on the load, speed of the connecting network can be inconsistent

What is an attribute that distinguishes serverless computing from other compute models?

The serverless model requires NO provisioning of servers, installation of application stacks, or operation of the infrastructure BY the users/developers

3 key types of storage systems

There are 3 key types of storage systems, namely: object storage, network-attached storage, and block-based storage.

What do you need to send data from a computer using one IP range to a computer using another IP range?

router

Match the services of other cloud providers to corresponding AWS services.

AWS Lambda -> Azure Functions, Google Cloud Functions Amazon Redshift -> Azure Synapse Analytics, Google BigQuery Amazon Kinesis -> Azure Stream Analytics, Google Dataflow

Which port used for HTTP protocol by default?

80

What is a hybrid cloud?

A blend of public and private cloud services with orchestration between them

What is a Content Delivery Network (CDN)?

A distributed server network

What service enables you to customize the network configuration for your VPC?

Amazon VPC

Kubernetes is open-source software for container orchestration. Which of these are features of Kubernetes? Select two.

Automates container provisioning, networking, load distribution, and scaling on multiple hosts. Deploy and manage containerized applications at scale.

Name Platform as a Service (PaaS) cloud service model example

Azure WebApps

What are the key elements of a hybrid Multicloud strategy?

Connects an organization's on-premise private cloud and third-party public cloud into a single infrastructure

There are four types of cloud storage available. Which storage type is ephemeral or non-persistent?

Direct Attached storage

Which of the following is NOT true about Amazon VPC?

Enables you to deploy your application only in 2 subnets

Applications in Stateless react by the current state, while Stateful applications act independently with taking into consideration previous/next request

False

Private cloud is the type of deployment model where the services that you use are hosted and delivered from a third-party and accessed over the internet Select one:

False

What is the main difference between HDD and SSD? Select one:

HDD uses mechanical platters and a moving head to access data, while SSD uses flash memory

What is the name of the software that lets you run multiple operating systems on one physical server?

Hypervisor

Which of the following is NOT an example of Auto Scaling? Select one:

If server fails --> Load balancer adds more resources to maintain availability

What is virtualization?

It allows you to use a physical machine's full capacity by distributing its capabilities among many users or environments. Virtualization is technology that lets you create useful IT services using resources that are traditionally bound to hardware

Scaling up

Means adding resources to server

Which of the following is not a type of cloud server? Select one:

Merged Cloud Servers

What links these two services?

Message queue

. A VPC peering connection is a networking connection between two VPs that enables you to route traffic between them privately. Suppose that you have three VPCs: A, B, and C. VPC A is connected to VPC B, and VPC A is connected to VPC C. Would it be possible to route traffic from VPC B to VPC C?

No

Which of the following is NOT an example of the cloud? Select one:

None

Which of these are features of Object Storage? Select two.

Object storage is effectively infinite You can directly use Object Storage without attaching it to a compute node

What is cloud computing?

On-demand delivery of IT resources and applications through the internet with pay-asyou-go pricing

Which of these is not a benefit of cloud computing over on-premises computing? (Choose the best answer)

Pay for racking, stacking, and powering servers

Which the followings is NOT a Key topics of Security pillar of AWS Well-Architected Framework?

Perform operations as code

Deployment model where you completely control the entire stack Select one:

Private cloud

Which of these is NOT a cloud computing model? (multiple choice) Select one or more:

Product as a Service System as a Service Integration as a Service

What type of Cloud Computing Gmail belongs to? Select one:

SaaS

Enterprises can physically ship their data to some public cloud providers to upload that data into the cloud. Select one:

True

Private cloud service model provides you most control over IT infrastructure among other cloud service models

True

You can store a virtually unlimited number of objects. Select one:

True

What is the focus of Performance Efficiency pillar of AWS Well-Architected Framework?

Use IT and IT computing resources efficiently to meet system requirements and to maintain that efficiency as demand changes and technologies evolve.

What does the term "elasticity" in cloud computing refer to?

ability to scale up

Where is Load balancer usually located?

between user and web server