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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 hardware specification for mainframe computers
C. A proprietary software installed on a local machine
D. A method of storing data solely on hard drives

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

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

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

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

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

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

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

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

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

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

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

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

8 What defines a Hybrid Cloud?

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

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

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

10 What does SOA stand for?

A. System Open Architecture
B. Service Oriented Architecture
C. Storage Oriented Allocation
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. Scalability
B. Latency
C. Interoperability
D. Redundancy

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

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

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

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

14 What is OpenStack?

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

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

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

16 In AWS, what does EC2 stand for?

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

17 Which AWS service is primarily used for Object Storage?

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

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

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

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. High cost of hardware
D. Lack of internet access

20 Which OpenStack component is responsible for Networking?

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

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

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

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

A. Measured Service
B. Rapid Elasticity
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 specific server rack
C. One or more discrete data centers with redundant power and networking within a Region
D. A backup tape drive

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

A. Public Cloud
B. Private Cloud
C. Hybrid Cloud
D. Community 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 Provider
C. The Cloud Consumer
D. The Internet Service Provider

28 Which AWS service is a managed Relational Database Service?

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

29 What is the dashboard component of OpenStack called?

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

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

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

31 A Community Cloud is best defined as:

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

32 In SOA, how do services typically communicate?

A. Hardcoded function calls
B. Direct memory access
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. Identity Management
C. Image Service
D. Networking

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

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

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

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

36 OpenStack Swift is equivalent to which AWS service?

A. EBS
B. VPC
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. Data entry
C. Hardware procurement and maintenance
D. Application logic only

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

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

39 OpenStack Cinder provides what type of storage?

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

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

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

41 What is 'Service Reusability' in SOA?

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

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

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

43 Which is a disadvantage of a Private Cloud?

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

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

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

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

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

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

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

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

A. The storage disks
B. The external router
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. Free software
C. Private networking
D. Visual Basic programming

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

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

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

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