Unit 1: Cloud Computing Fundamentals - Practice Quiz

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

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

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

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

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. PaaS (Platform as a Service)
D. IaaS (Infrastructure as a Service)

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

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

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

A. It converts capital expenditure (CapEx) into operational expenditure (OpEx)
B. It increases capital expenditure (CapEx)
C. It requires upfront hardware purchase
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. Hybrid Cloud
B. Public Cloud
C. Private Cloud
D. Community Cloud

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

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

8 What defines a Hybrid Cloud?

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

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

A. Using multiple cloud providers simultaneously
B. A single instance of software serving multiple customers (tenants)
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. Redundancy
C. Interoperability
D. Scalability

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

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

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

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

14 What is OpenStack?

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

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

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

16 In AWS, what does EC2 stand for?

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

17 Which AWS service is primarily used for Object Storage?

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

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

20 Which OpenStack component is responsible for Networking?

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

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

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

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

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

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

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

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

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

25 What is 'Cloud Bursting'?

A. Destroying data in the cloud
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. Merging two cloud companies

26 Which OpenStack service provides Identity and Authentication?

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

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

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

28 Which AWS service is a managed Relational Database Service?

A. RDS
B. Redshift
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. Elasticity
C. Measured Service
D. Broad Network Access

31 A Community Cloud is best defined as:

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

32 In SOA, how do services typically communicate?

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

33 What is the main role of OpenStack Glance?

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

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

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

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

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

36 OpenStack Swift is equivalent to which AWS service?

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

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

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

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

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

39 OpenStack Cinder provides what type of storage?

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

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

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

41 What is 'Service Reusability' in SOA?

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

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

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

43 Which is a disadvantage of a Private Cloud?

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

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

A. They are the same
B. Up adds more power (RAM/CPU) to an existing machine; Out adds more machines to the pool
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 node running management services like API servers, scheduler, and database
B. The external router
C. The storage disks
D. The node running the Guest VMs

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

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

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

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

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

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