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Unit 1: Cloud Computing Fundamentals - Practice Quiz

INT363 — Cloud Microservices 50 Questions
0 Correct 0 Wrong 50 Left
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1 What is the primary definition of Cloud Computing according to NIST?

A. A model for enabling ubiquitous, on-demand network access to a shared pool of configurable computing resources
B. A proprietary software installed on a local machine
C. A method of storing data solely on hard drives
D. A hardware specification for mainframe computers

2 Which of the following is NOT an essential characteristic of Cloud Computing?

A. Fixed hardware dependency
B. On-demand self-service
C. Rapid elasticity
D. Resource pooling

3 In which service model does the vendor manage everything including the application, data, runtime, middleware, and OS?

A. SaaS (Software as a Service)
B. DaaS (Desktop as a Service)
C. IaaS (Infrastructure as a Service)
D. PaaS (Platform as a Service)

4 Which of the following is a primary example of PaaS?

A. Amazon EC2
B. Dropbox
C. Google App Engine
D. Salesforce CRM

5 What is the main benefit of the 'Pay-as-you-go' model in cloud computing?

A. It requires upfront hardware purchase
B. It converts capital expenditure (CapEx) into operational expenditure (OpEx)
C. It increases capital expenditure (CapEx)
D. It eliminates the need for internet connection

6 Which deployment model is available to the general public and is owned by an organization selling cloud services?

A. Private Cloud
B. Hybrid Cloud
C. Public Cloud
D. Community Cloud

7 A cloud infrastructure operated solely for a single organization is known as:

A. Open Cloud
B. Public Cloud
C. Community Cloud
D. Private Cloud

8 What defines a Hybrid Cloud?

A. A cloud that stores data on optical discs
B. A composition of two or more distinct cloud infrastructures (private, community, or public)
C. A cloud used by the government only
D. A cloud that only uses open-source software

9 What is 'Multi-tenancy' in cloud computing?

A. A single instance of software serving multiple customers (tenants)
B. Using multiple cloud providers simultaneously
C. One customer having multiple accounts
D. Hosting data in multiple countries

10 What does SOA stand for?

A. Storage Oriented Allocation
B. System Open Architecture
C. Service Oriented Architecture
D. Simple Object Access

11 Which principle describes the ability of a system to handle growing amounts of work by adding resources to the system?

A. Latency
B. Scalability
C. Redundancy
D. Interoperability

12 In the context of SOA, what is 'Loose Coupling'?

A. Services are physically connected via cables
B. Services operate independently and changes in one do not heavily impact others
C. Services share the exact same database tables directly
D. Services must be written in the same programming language

13 Which of the following is a key guiding principle regarding resource utilization in the cloud?

A. Resource Fragmentation
B. Resource Reservation only
C. Resource Pooling
D. Resource Isolation

14 What is OpenStack?

A. A database management system
B. A programming language for cloud apps
C. A proprietary cloud OS by Microsoft
D. An open-source platform for creating private and public clouds

15 Which OpenStack component is responsible for Compute services (provisioning virtual machines)?

A. Cinder
B. Swift
C. Nova
D. Horizon

16 In AWS, what does EC2 stand for?

A. Elastic Compute Cloud
B. Elastic Cloud Compute
C. Enterprise Cloud Connect
D. Electronic Cloud Control

17 Which AWS service is primarily used for Object Storage?

A. EC2
B. RDS
C. Lambda
D. S3

18 Which of the following is an application of Cloud Computing?

A. All of the above
B. Big Data Analytics
C. Disaster Recovery and Backup
D. File Storage and Sharing

19 What is the primary security concern in a Public Cloud environment?

A. Data privacy and multi-tenancy risks
B. Physical theft of servers by the user
C. Lack of internet access
D. High cost of hardware

20 Which OpenStack component is responsible for Networking?

A. Swift
B. Neutron
C. Keystone
D. Glance

21 What is the role of a Hypervisor in cloud computing?

A. To create and run virtual machines
B. To encrypt data
C. To design web interfaces
D. To manage billing

22 Which guiding principle refers to the ability to automatically provision and release resources as needed?

A. Rapid Elasticity
B. Resource Pooling
C. Broad Network Access
D. Measured Service

23 In the context of AWS, what is an Availability Zone (AZ)?

A. A specific server rack
B. A backup tape drive
C. A separate geographic region
D. One or more discrete data centers with redundant power and networking within a Region

24 Which deployment model is best suited for organizations with strict regulatory compliance and security requirements?

A. Community Cloud
B. Hybrid Cloud
C. Public Cloud
D. Private Cloud

25 What is 'Cloud Bursting'?

A. Merging two cloud companies
B. A system crash in the cloud
C. An application running in a private cloud bursting into a public cloud during spikes in demand
D. Destroying data in the cloud

26 Which OpenStack service provides Identity and Authentication?

A. Nova
B. Keystone
C. Cinder
D. Horizon

27 In IaaS, who is responsible for patching the Guest OS?

A. The Cloud Provider
B. The Government
C. The Internet Service Provider
D. The Cloud Consumer

28 Which AWS service is a managed Relational Database Service?

A. Redshift
B. RDS
C. DynamoDB
D. ElastiCache

29 What is the dashboard component of OpenStack called?

A. Horizon
B. Dashboard X
C. Panel
D. ViewPoint

30 Which characteristic ensures that cloud systems automatically optimize resource use by leveraging a metering capability?

A. Virtualization
B. Broad Network Access
C. Elasticity
D. Measured Service

31 A Community Cloud is best defined as:

A. A cloud for social media only
B. Infrastructure shared by several organizations with common concerns (e.g., security, compliance)
C. A free public cloud
D. A cloud for educational institutes only

32 In SOA, how do services typically communicate?

A. Shared global variables
B. Simple messages (e.g., via XML/JSON over HTTP)
C. Direct memory access
D. Hardcoded function calls

33 What is the main role of OpenStack Glance?

A. Image Service
B. Block Storage
C. Networking
D. Identity Management

34 Which of the following is a benefit of using a Public Cloud implementation?

A. Data physically located on-premise
B. No ongoing subscription costs
C. Reduced Time to Market and high scalability
D. Total control over hardware

35 Which AWS feature enables you to launch resources in a logically isolated virtual network?

A. AWS Direct Connect
B. AWS VPC (Virtual Private Cloud)
C. AWS Route53
D. AWS VPN

36 OpenStack Swift is equivalent to which AWS service?

A. VPC
B. EBS
C. S3
D. EC2

37 When designing a Private Cloud, which factor is the user's responsibility unlike in a Public Cloud?

A. User access management only
B. Application logic only
C. Hardware procurement and maintenance
D. Data entry

38 Which service model would a software developer typically use to deploy code without worrying about OS maintenance?

A. IaaS
B. PaaS
C. SaaS
D. On-Premise

39 OpenStack Cinder provides what type of storage?

A. File Storage
B. Block Storage
C. Object Storage
D. Ephemeral Storage

40 Which AWS service handles User Access and Encryption Keys management?

A. AWS IAM
B. AWS CloudWatch
C. AWS EC2
D. AWS Lambda

41 What is 'Service Reusability' in SOA?

A. Services restart automatically
B. Services copy code from other services
C. Logic is divided into services with the intention of using them in multiple applications
D. Services are deleted after one use

42 Which of the following describes 'Broad Network Access'?

A. Access restricted to one device
B. Accessing cloud services only via LAN
C. Capabilities are available over the network and accessed through standard mechanisms by thin or thick client platforms
D. Using a dedicated fiber line only

43 Which is a disadvantage of a Private Cloud?

A. High initial cost and maintenance
B. Lack of control
C. Data is shared with the public
D. Low security

44 What is the difference between Scaling Up (Vertical) and Scaling Out (Horizontal)?

A. Up adds more power (RAM/CPU) to an existing machine; Out adds more machines to the pool
B. They are the same
C. Up is for databases; Out is for storage
D. Up adds more machines; Out adds more power to a machine

45 Which application of cloud computing allows for testing software in mirrored environments without buying hardware?

A. Test and Development
B. Social Networking
C. Big Data
D. E-commerce

46 In the 'Shared Responsibility Model' of Public Cloud (like AWS), who is responsible for 'Security OF the Cloud'?

A. The Cloud Provider
B. The Customer
C. Third-party auditors
D. The Government

47 Which component constitutes the 'control node' in an OpenStack architecture?

A. The external router
B. The storage disks
C. The node running management services like API servers, scheduler, and database
D. The node running the Guest VMs

48 Utility Computing is a precursor to Cloud Computing that emphasizes:

A. Offering computing resources as a metered service (like water or electricity)
B. Private networking
C. Free software
D. Visual Basic programming

49 What is the primary function of a Load Balancer in a cloud environment?

A. To store backup data
B. To encrypt passwords
C. To distribute incoming network traffic across multiple servers
D. To manage user identities

50 Which type of Hypervisor runs directly on the host's hardware?

A. Type 2 (Hosted)
B. Type 1 (Bare Metal)
C. Type 3 (Hybrid)
D. Type 4 (Virtual)
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