CLO-002 Cloud Concepts — 20 Questions

Question 1

A healthcare startup needs to ensure that patient data remains within a specific geographic region to comply with local privacy regulations. Which deployment model best addresses this data sovereignty requirement?

Choose an answer to begin — your selection is scored in the full session.

Accepted Answer

Community Cloud. A Community Cloud is built to serve a specific group of organizations with shared concerns, such as regulatory compliance, and can be restricted to specific data centers.

Answer

Multi-Cloud

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Public Cloud

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Hybrid Cloud

Question 2

An administrator needs to ensure that cloud resources are geographically separated to maintain availability during a regional disaster. Which feature should they configure?

Accepted Answer

Multi-Region deployment. Multi-region deployment provides disaster recovery across geographic boundaries.

Answer

Availability Zone replication

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Load Balancer

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Auto Scaling Group

Question 3

An organization needs to extend its on-premises data center to a VPC while ensuring private connectivity that avoids the public internet. Which connectivity option is best?

Accepted Answer

Direct Connect. A dedicated private connection like Direct Connect or ExpressRoute bypasses the public internet.

Answer

Site-to-Site VPN

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Client VPN

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Public IP peering

Question 4

A startup is looking for a cloud deployment model where they pay only for resources used and share underlying hardware with other tenants. What model is this?

Accepted Answer

Public Cloud. This is the definition of a public cloud model.

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Hybrid Cloud

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Community Cloud

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Private Cloud

Question 5

You are troubleshooting a connectivity issue where an application in a private subnet cannot reach the internet to download updates. Which component is missing?

Accepted Answer

NAT Gateway. A NAT Gateway is required to allow outbound traffic from private subnets to the internet.

Answer

Internet Gateway

Answer

VPC Endpoint

Answer

Route Table

Question 6

A company is moving from a capital expenditure model to an operational expenditure model. What is the primary benefit?

Accepted Answer

Removal of upfront capital costs. OpEx allows for pay-as-you-go billing, which avoids large upfront costs.

Answer

Increased control over hardware

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Predictable monthly billing

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No hardware maintenance

Question 7

A developer needs to host a static website on AWS S3. Which configuration is required to make the objects publicly accessible?

Accepted Answer

Enable Static Website Hosting. Enabling static website hosting and updating the bucket policy is necessary for public access.

Answer

Configure a NAT Gateway

Answer

Attach an Elastic IP

Answer

Create an EC2 instance

Question 8

A company is migrating an on-premises database to a public cloud. The database requires low latency and high IOPS. Which storage type should the architect select?

Accepted Answer

Provisioned IOPS SSD. Provisioned IOPS SSDs provide the consistent performance required for database workloads.

Answer

Cold Storage

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Magnetic HDD

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Object Storage

Question 9

Which cloud characteristic allows an organization to rapidly increase resources during a spike in traffic and decrease them when traffic drops?

Accepted Answer

Elasticity. Elasticity is the ability to scale resources up and down based on demand.

Answer

Resource pooling

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Broad network access

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Measured service

Question 10

You need to ensure that a web server can only accept traffic on port 443. Where should this rule be defined?

Accepted Answer

Security Group. A security group acts as a firewall for instances, allowing port control.

Answer

Route Table

Answer

Network ACL

Answer

VPC Peering

Question 11

What is the primary purpose of a cloud provider's region?

Accepted Answer

To provide low latency to specific users. A region is a geographic collection of data centers that provide low latency to users in that area.

Answer

To provide a single point of failure

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To simplify the billing structure

Answer

To lower the cost of hardware

Question 12

An application requires a database that can handle unstructured data and scale horizontally. Which database type is best?

Accepted Answer

NoSQL Database. NoSQL databases are designed for unstructured data and horizontal scaling.

Answer

Data Warehouse

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In-memory Database

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Relational Database

Question 13

A security auditor requests a solution to ensure that all data stored in the cloud is encrypted at rest. What should the administrator implement?

Accepted Answer

Server-side encryption. Server-side encryption ensures data is encrypted before being stored on disk.

Answer

VPC Security Groups

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SSL/TLS

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Multi-factor authentication

Question 14

Which of the following represents a major benefit of cloud computing where resources are shared among multiple customers?

Accepted Answer

Resource pooling. Resource pooling allows providers to serve multiple customers efficiently using the same physical hardware.

Answer

Local area networking

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Static provisioning

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Dedicated hosting

Question 15

An architect is designing a system that must survive a complete data center failure. What should be utilized?

Accepted Answer

Multi-AZ deployment. Multi-AZ deployment ensures that if one data center fails, the application remains available in another.

Answer

Local SSD storage

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Auto Scaling

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Single AZ deployment

Question 16

Which cloud service model would a company use if they want to manage their application code and data but leave the OS, runtime, and hardware management to the provider?

Accepted Answer

PaaS. PaaS allows developers to focus on the code while the provider manages the stack.

Answer

IaaS

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SaaS

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Serverless

Question 17

A company needs to store backups for compliance purposes for seven years. Access is rarely required. What is the most cost-effective storage class?

Accepted Answer

Archive/Glacier Storage. Archive storage classes offer the lowest price for long-term retention.

Answer

Reduced Redundancy Storage

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Intelligent-Tiering

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Standard Storage

Question 18

When using an Auto Scaling group, what metric is most commonly used to trigger an increase in server instances?

Accepted Answer

CPU utilization. CPU utilization is the standard metric for scaling compute capacity.

Answer

Total cost

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Network latency

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Number of concurrent users

Question 19

Which cloud principle refers to the ability to pay for only the compute power you consume?

Accepted Answer

Measured service. Measured service/Pay-as-you-go allows for precise cost tracking based on consumption.

Answer

Rapid elasticity

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Resource pooling

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On-demand self-service

Question 20

A company uses a hybrid cloud. They need to move a database workload to the cloud that has strict regulatory requirements. Which deployment model is most appropriate?

Accepted Answer

Private cloud deployment. A private cloud or a dedicated host within a cloud is best for strict regulatory requirements.

Answer

Public cloud multi-tenant

Answer

Community cloud

Answer

Serverless functions